Cub Cadet 1517 Users Manual 770 10586

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Operator’s Manual
Series 1500
Hydrostatic Lawn Tractor
Models 1515
1517

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered,
brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state
laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the
above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply
on federal lands. A spark arrester for the muffler is available through your Cub Cadet dealer or contact the service department, P.O. Box
361131 Cleveland, Ohio 44136-0019.

CUB CADET LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.

FORM NO. 770-10586.fm
(12/2001)

TABLE OF CONTENTS
Content

Page

Important Safe Operation Practices ............................................................................... 3
Slope Gauge .................................................................................................................. 7
Tractor Set-up ................................................................................................................ 8
Know Your Lawn Tractor ................................................................................................ 9
Operating Your Lawn Tractor ......................................................................................... 12
Making Adjustments ....................................................................................................... 16
Maintaining Your Lawn Tractor....................................................................................... 19
Service ........................................................................................................................... 24
Off-Season Storage ....................................................................................................... 29
Maintenance Chart ......................................................................................................... 29
Troubleshooting ............................................................................................................. 30
Specifications ................................................................................................................. 31
Attachments & Accessories............................................................................................ 32
Label Map ...................................................................................................................... 33
Warranty Information...................................................................................................... 34

FINDING MODEL NUMBER
This Operator’s Manual is an important part of your new lawn tractor. It will help you assemble, prepare and
maintain the unit for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the
equipment and copy the information from it in the space provided below. The information on the
model plate is very important if you need help from your Cub Cadet dealer.
•

You can locate the model number by looking beneath the seat. A sample model plate is explained below. For
future reference, please copy the model number and the serial number of the equipment in the space below.

Copy the model number here:

Copy the serial number here:
CUB CADET LLC
P. O. BOX 361131
CLEVELAND, OH 44136
DEALER LOCATOR PHONE NUMBER: 877-282-8684

www.cubcadet.com

CALLING CUSTOMER SUPPORT
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, please call the Customer Dealer Referral Line.
Call 1- (877) 282-8684 to reach the Customer Dealer Referral Line. Please have your unit’s model
number and serial number ready when you call. See previous section to locate this information.

For more details about your unit, visit our website at www.cubcadet.com
2

SECTION 1: IMPORTANT SAFE OPERATION PRACTICES
WARNING: This symbol points out important safety instructions which, if not followed, could endanger
the personal safety and/or property of yourself and others. Read and follow all instructions in this manual
before attempting to operate this machine. Failure to comply with these instructions may result in personal
injury. When you see this symbol—heed its warning.

DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in
serious injury. This machine is capable of amputating hands and feet and throwing objects. Failure to
observe the following safety instructions could result in serious injury or death.

California Proposition 65 Warning:
WARNING: Engine exhaust, some of its constituents, and certain vehicle components contain
or emit chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm.

GENERAL OPERATION

10. Be aware of the mower and attachment discharge
direction and do not point it at anyone. Do not
operate the mower without the discharge cover or
entire grass catcher in its proper place.
11. Do not put hands or feet near rotating parts or
under the cutting deck. Contact with the blade(s)
can amputate hands and feet.
12. A missing or damaged discharge cover can cause
blade contact or thrown object injuries.
13. Stop the blade(s) when crossing gravel drives,
walks, or roads and while not cutting grass.
14. Watch for traffic when operating near or crossing
roadways. This machine is not intended for use on
any public roadway.
15. Do not operate the machine while under the
influence of alcohol or drugs.
16. Mow only in daylight or good artificial light.
17. Never carry passengers.
18. Disengage blade(s) before travelling in reverse.
Back up slowly. Always look down and behind
before and while backing to avoid a back-over
accident.
19. Slow down before turning. Operate the machine
smoothly. Avoid erratic operation and excessive
speed.
20. Disengage blade(s), set parking brake, stop engine
and wait until the blade(s) come to a complete stop
before removing grass catcher, emptying grass,
unclogging chute, removing any grass or debris, or
making any adjustments.
21. Never leave a running machine unattended. Always
turn off blade(s), place transmission in neutral, set
parking brake, stop engine and remove key before
dismounting.
22. Use extra care when loading or unloading the
machine into a trailer or truck. This unit should not
be driven up or down ramp(s), because the unit
could tip over, causing serious personal injury. The
unit must be pushed manually on ramp(s) to load or
unload properly.

1. Read, understand, and follow all instructions on the
machine and in the manual(s) before attempting to
assemble and operate. Keep this manual in a safe
place for future and regular reference and for
ordering replacement parts.
2. Be familiar with all controls and their proper
operation. Know how to stop the machine and
disengage them quickly.
3. Never allow children under 14 years old to operate
this machine. Children 14 years old and over
should read and understand the operation
instructions and safety rules in this manual and
should be trained and supervised by a parent.
4. Never allow adults to operate this machine without
proper instruction.
5. To help avoid blade contact or a thrown object
injury, keep bystanders, helpers, children and pets
at least 75 feet from the machine while it is in
operation. Stop machine if anyone enters the area.
6. Thoroughly inspect the area where the equipment
is to be used. Remove all stones, sticks, wire,
bones, toys, and other foreign objects which could
be picked up and thrown by the blade(s). Thrown
objects can cause serious personal injury.
7. Plan your mowing pattern to avoid discharge of
material toward roads, sidewalks, bystanders and
the like. Also, avoid discharging material against a
wall or obstruction which may cause discharged
material to ricochet back toward the operator.
8. Always wear safety glasses or safety goggles
during operation and while performing an
adjustment or repair to protect your eyes. Thrown
objects which ricochet can cause serious injury to
the eyes.
9. Wear sturdy, rough-soled work shoes and closefitting slacks and shirts. Loose fitting clothes and
jewelry can be caught in movable parts. Never
operate this machine in bare feet or sandals.
3

4. Follow the manufacturer’s recommendations for
wheel weights or counterweights to improve
stability.
5. Use extra care with grass catchers or other
attachments. These can change the stability of the
machine.
6. Keep all movement on the slopes slow and gradual.
Do not make sudden changes in speed or direction.
Rapid engagement or braking could cause the front
of the machine to lift and rapidly flip over backwards
which could cause serious injury.
7. Avoid starting or stopping on a slope. If tires lose
traction, disengage the blade(s) and proceed
slowly straight down the slope.

23. Muffler and engine become hot and can cause a
burn. Do not touch.
24. Check overhead clearances carefully before driving
under low hanging tree branches, wires, door
openings etc., where the operator may be struck or
pulled from the unit, which could result in serious
injury.
25. Disengage all attachment clutches, depress the
brake pedal completely before attempting to start
engine.
26. Your machine is designed to cut normal residential
grass of a height no more than 10”. Do not attempt
to mow through unusually tall, dry grass (e.g.,
pasture) or piles of dry leaves. Dry grass or leaves
may contact the engine exhaust and/or build up on
the mower deck presenting a potential fire hazard.
27. Use only accessories and attachments approved
for this machine by the machine manufacturer.
Read, understand and follow all instructions
provided with the approved accessory or
attachment.
28. Data indicates that operators, age 60 years and
above, are involved in a large percentage of riding
mower-related injuries. These operators should
evaluate their ability to operate the riding mower
safely enough to protect themselves and others
from serious injury.
29. If situations occur which are not covered in this
manual, use care and good judgment. Contact your
Cub Cadet dealer for assistance.

DO NOT:
1. Do not turn on slopes unless necessary; then, turn
slowly and gradually downhill, if possible.
2. Do not mow near drop-offs, ditches or
embankments. The mower could suddenly turn
over if a wheel is over the edge of a cliff, ditch, or if
an edge caves in.
3. Do not try to stabilize the machine by putting your
foot on the ground.
4. Do not use a grass catcher on steep slopes.
5. Do not mow on wet grass. Reduced traction could
cause sliding.
6. Do not coast downhill. Over-speeding may cause
the operator to lose control of the machine resulting
in serious injury or death.
7. Do not tow heavy pull behind attachments (e.g.
loaded dump cart, lawn roller, etc.) on slopes
greater than 5 degrees. When going down hill, the
extra weight tends to push the tractor and may
cause you to loose control. (e.g. tractor may speed
up, braking and steering ability are reduced,
attachment may jack-knife and cause tractor to
overturn).

SLOPE OPERATION
Slopes are a major factor related to loss of control and
tip-over accidents which can result in severe injury or
death. All slopes require extra caution. If you cannot
back up the slope or if you feel uneasy on it, do not mow
it.
For your safety, use the slope gauge included as part of
this manual to measure slopes before operating this
unit on a sloped or hilly area. If the slope is greater than
15 degrees as shown on the slope gauge, do not
operate this unit on that area or serious injury could
result.

CHILDREN
1. Tragic accidents can occur if the operator is not
alert to the presence of children. Children are often
attracted to the machine and the mowing activity.
They do not understand the dangers. Never
assume that children will remain where you last
saw them.
a. Keep children out of the mowing area and in
watchful care of a responsible adult other
than the operator.
b. Be alert and turn machine off if a child enters
the area.
c. Before and while backing, look behind and
down for small children.
d. Never carry children, even with the blade(s)
shut off. They may fall off and be seriously
injured or interfere with safe machine
operation.

DO:
1. Mow up and down slopes, not across. Exercise
extreme caution when changing direction on
slopes.
2. Watch for holes, ruts, bumps, rocks, or other
hidden objects. Uneven terrain could overturn the
machine. Tall grass can hide obstacles.
3. Use slow speed. Choose a low enough speed
setting so that you will not have to stop while on the
slope. Tires may lose traction on slopes even
though the brakes are functioning properly. Always
keep machine in gear when going down slopes to
take advantage of engine braking action.
4

lock-open device.
e. Extinguish all cigarettes, cigars, pipes and
other sources of ignition.
f. Never fuel machine indoors.
g. Never remove gas cap or add fuel while the
engine is hot or running. Allow engine to cool
at least two minutes before refueling.
h. Never over fill fuel tank. Fill tank to no more
than three inches below the top of the filler
neck to allow space for fuel expansion.
i. Replace gasoline cap and tighten securely.
j. If gasoline is spilled, wipe it off the engine
and equipment. Move unit to another area.
Wait 5 minutes before starting the engine.
k. To reduce fire hazards, keep machine free of
grass, leaves, or other debris build-up. Clean
up oil or fuel spillage and remove any fuel
soaked debris.
l. Never store the machine or fuel container
inside where there is an open flame, spark or
pilot light as on a water heater, space heater,
furnace, clothes dryer or other gas
appliances.
m. Allow a machine to cool at least five minutes
before storing.
GENERAL SERVICE:

e. Use extreme care when approaching blind
corners, doorways, shrubs, trees or other
objects that may block your vision of a child
who may run into the machine.
f. Disengage the cutting blade(s) before
traveling in reverse. The “No-Cut-In Reverse”
feature is a reminder not to cut in reverse and
to help avoid back over accidents. Do not
defeat it.
g. Keep children away from hot or running
engines. They can suffer burns from a hot
muffler.
h. Remove key when machine is unattended to
prevent unauthorized operation.
9. Never allow children under 14 years old to operate
the machine. Children 14 years old and over should
read and understand the operation instructions and
safety rules in this manual and should be trained
and supervised by a parent.

TOWING
1. Tow only with a machine that has a hitch designed
for towing. Do not attach towed equipment except
at the hitch point.
2. Follow the manufacturers recommendation for
weight limits for towed equipment and towing on
slopes.
3. Never allow children or others in or on towed
equipment.
4. On slopes, the weight of the towed equipment may
cause loss of traction and loss of control.
5. Travel slowly and allow extra distance to stop.
6. Do not coast downhill.

1. Never run an engine indoors or in a poorly
ventilated area. Engine exhaust contains carbon
monoxide, an odorless, and deadly gas.
2. Before cleaning, repairing, or inspecting, make
certain the blade(s) and all moving parts have
stopped. Disconnect the spark plug wire and
ground against the engine to prevent unintended
starting.
3. Periodically check to make sure the blades come to
complete stop within approximately (5) five
seconds after operating the blade disengagement
control. If the blades do not stop within the this time
frame, your unit should be serviced professionally
by an authorized Cub Cadet dealer.
4. Check brake operation frequently as it is subjected
to wear during normal operation. Adjust and service
as required.
5. Check the blade(s) and engine mounting bolts at
frequent intervals for proper tightness. Also,
visually inspect blade(s) for damage (e.g.,
excessive wear, bent, cracked).
Replace the blade(s) with the original equipment
manufacturer’s (O.E.M.) blade(s) only, listed in this
manual. “Use of parts which do not meet the
original equipment specifications may lead to
improper performance and compromise safety!”
6. Mower blades are sharp. Wrap the blade or wear
gloves, and use extra caution when servicing them.
7. Keep all nuts, bolts, and screws tight to be sure the
equipment is in safe working condition.

SERVICE
SAFE HANDLING OF GASOLINE:
1. To avoid personal injury or property damage
use extreme care in handling gasoline. Gasoline is
extremely flammable and the vapors are explosive.
Serious personal injury can occur when gasoline is
spilled on yourself or your clothes which can ignite.
Wash your skin and change clothes immediately.
a. Use only an approved gasoline container.
b. Never fill containers inside a vehicle or on a
truck or trailer bed with a plastic liner. Always
place containers on the ground away from
your vehicle before filling.
c. When practical, remove gas-powered
equipment from the truck or trailer and refuel
it on the ground. If this is not possible, then
refuel such equipment on a trailer with a
portable container, rather than from a
gasoline dispenser nozzle.
d. Keep the nozzle in contact with the rim of the
fuel tank or container opening at all times
until fueling is complete. Do not use a nozzle

5

13. Observe proper disposal laws and regulations for
gas, oil, etc. to protect the environment.
14. Grass catcher components and the discharge
cover are subject to wear and damage which could
expose moving parts or allow objects to be thrown.
For safety protection, frequently check components
and replace immediately with original equipment
manufacturer’s (O.E.M.) parts only, listed in this
manual. “Use of parts which do not meet the
original equipment specifications may lead to
improper performance and compromise safety!”

8. Never tamper with the safety interlock system or
other safety devices. Check their proper operation
regularly.
9. After striking a foreign object, stop the engine,
disconnect the spark plug wire(s) and ground
against the engine. Thoroughly inspect the
machine for any damage. Repair the damage
before starting and operating.
10. Never attempt to make adjustments or repairs to
the machine while the engine is running.
11. Do not change the engine governor settings or
over-speed the engine. The governor controls the
maximum safe operating speed of the engine.
12. Maintain or replace safety and instruction labels, as
necessary.

WARNING: YOUR RESPONSIBILITY Restrict the use of this power machine to persons who read,
understand and follow the warnings and instructions in this manual and on the machine.

TO REDUCE THE RISK OF INJURY, DO NOT
OPERATE UNLESS DISCHARGE COVER OR
GRASS CATCHER IS IN ITS PROPER PLACE.
IF DAMAGED, REPLACE IMMEDIATELY.

WARNING
TO AVOID SERIOUS INJURY OR DEATH
• GO UP AND DOWN SLOPES, NOT ACROSS.
• AVOID SUDDEN TURNS.
• DO NOT OPERATE THE UNIT WHERE IT
COULD SLIP OR TIP.
• IF MACHINE STOPS GOING UPHILL, STOP
BLADE(S) AND BACK DOWNHILL SLOWLY.
• DO NOT MOW WHEN CHILDREN OR OTHERS
ARE AROUND.
• NEVER CARRY CHILDREN EVEN WITH.
BLADES OFF.
• LOOK DOWN & BEHIND BEFORE AND WHILE
BACKING.
• KEEP SAFETY DEVICES (GUARDS, SHIELDS, AND
SWITCHES, ETC.) IN PLACE AND WORKING.
• REMOVE OBJECTS THAT COULD BE
THROWN BY THE BLADE(S).
• KNOW LOCATION AND FUNCTION OF ALL
CONTROLS.
• BE SURE BLADE(S) AND ENGINE ARE STOPPED
BEFORE PLACING HANDS OR FEET NEAR BLADE(S).
• BEFORE LEAVING OPERATOR'S POSITION,
DISENGAGE BLADE(S), ENGAGE PARKING
BRAKE, SHUT OFF AND REMOVE KEY.

READ OPERATOR'S MANUAL

6

SECTION 2: SLOPE GAUGE

FOL
D ON
D
O
T
TED
LI

15°

NE

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE

T IN G

A 15
°S

LO P
E

OR A FENCE POST

A CORNER OF A BUILDING

A POWER POLE

,R
E
P
RES
EN

WARNING

Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower
could overturn and cause serious injury. If operating a walk-behind mower on such a slope, it is extremely difficult to maintain
your footing and you could slip, resulting in serious injury.
Operate RIDING mowers up and down slopes, never across the face of slopes.

7

SECTION 3: TRACTOR SET-UP
Attaching the Battery Cables

IMPORTANT: Your tractor is shipped with oil in the
engine. However, you MUST check the oil level before
operating. Refer to Checking the Oil Level on page 19 for
detailed instructions. Be careful not to overfill.

The positive battery terminal is marked Pos. (+). The
negative battery terminal is marked Neg. (–).
•

•
•

The positive cable (heavy red wire) is secured to
the positive battery terminal (+) with a hex bolt and
hex nut at the factory. Make certain that the rubber
boot covers the terminal to protect it from corrosion.
Lift the tractor’s hood and remove the hex bolt and
wing nut from the negative cable (thick black wire).
Remove the black plastic cover, if present, from the
negative battery terminal and attach the negative
cable to the negative battery terminal (–) with the
bolt and wing nut..

Shipping Brace Removal
WARNING: Make sure the riding mower’s
engine is off, set the parking brake and
remove the ignition key before removing the
shipping brace.
•

Locate the shipping brace and warning tag found
on the right side of the cutting deck. See Figure 2.

Negative Cable
Positive Cable/
Rubber Boot

Shipping Brace

Hex Bolt

Wing
Nut

Warning Tag
Mulch Plug
NOTE: Model 1515 has a hairpin clip in place of a shipping brace

Figure 2

Figure 1
•

NOTE: If the battery is put into service after the date
shown on top of battery, charge as instructed on page
26 of this manual prior to operating the tractor.

Gas and Oil Fill-up

While holding the discharge chute with your left
hand, remove the shipping brace with your right
hand by grasping it between your thumb and index
finger and rotating it clockwise.

NOTE: Series 1500 tractors come equipped with a
mulch plug installed inside the chute opening. Do NOT
discard it. Refer to Mulching on page 16 for detailed
information regarding your tractor’s mulching feature.

The gasoline tank is located under the fender and has a
capacity of three gallons. Unthread the fuel cap by
turning it counterclockwise. Use only clean, fresh
(under 30 days old), unleaded gasoline. Fill tank to no
more than four inches below the top of the filler neck to
allow space for fuel expansion. Do not overfill.

WARNING: The shipping brace, used for
packaging purposes only, must be removed
and discarded before operating your riding
mower.

WARNING: Use extreme care when
handling gasoline. Gasoline is extremely
flammable and the vapors are explosive.
Never fuel machine indoors or while the
engine is hot or running. Extinguish
cigarettes, cigars, pipes, and other sources of
ignition.

WARNING: The mowing deck is capable of
throwing objects. Failure to operate the riding
mower without the discharge cover in the
proper operating position could result in
serious personal injury and/or property
damage.

8

SECTION 4: KNOW YOUR LAWN TRACTOR
A

B
G
H

C

BRAKE

I
J
D

K
L

E
F

M

NOTE: Steering Wheel not shown for clarity.
Figure 3
A
B
C
D
E
F
G

Systems Indicator Monitor/Hour Meter
Throttle Control Lever
Choke Control
Parking Brake Lever
Fuel Tank Cap
Seat Adjustment Lever
PTO (Power Take-off) Knob

H
I
J
K
L
M

Ignition Switch
Brake Pedal
Drive Pedal
Cruise Control Lever
Deck Lift Lever
Cup Holder

NOTE: Any reference in this manual to the RIGHT or LEFT side of the tractor is observed from operator’s position.
9

Throttle Control Lever

Ignition Switch

The throttle control lever is located on the left side of the
tractor’s dash panel. This lever controls the speed of
the engine. When set in a given position, the throttle will
maintain a uniform engine speed. See Figure 4.

WARNING: Never leave a running
machine unattended. Always disengage the
PTO, set parking brake, stop engine and
remove key to prevent unintended starting.
To start the engine, insert the key into the ignition
switch and turn clockwise to the START position.
Release the key into the ON position once engine has
fired. See Figure 5.

Fast
Position

On/Lights
Off
On
STOP

Slow
Position
Start

Figure 4
IMPORTANT: When operating the tractor with the cutting
deck engaged, be certain that the throttle lever is
always in the FAST (rabbit) position.

Figure 5

Choke Control

Refer to Starting The Engine on page 13 of this manual for
detailed starting instructions

The choke control can be found
on the left side of the dash panel
and is activated by pulling the
knob outward. Activating the
choke control closes the choke
plate on the carburetor and aids
in starting the engine. Refer to
Starting The Engine on page 13 of
this manual for detailed starting
instructions.

The ignition switch is also used to operate the tractor’s
headlights. Refer to Operating The Headlights on page 16
of this manual for detailed instructions.

Drive Pedal
The drive pedal is located below
the brake pedal on the right front
side of the tractor along the
running board. Depress the
upper portion of the drive pedal
forward to cause the tractor to
travel forward. Depress the lower
portion of the drive pedal with the
ball of your right foot (NOT your
heel) to cause the tractor to travel
in reverse. Ground speed is also
controlled with the drive pedal.
The further forward or rearward
that the pedal is pivoted, the
faster the tractor will travel. The
pedal will return to its original
position when it’s not depressed.

Brake Pedal
The brake pedal is located on the
right front side of the tractor
above the drive pedal along the
running board. The brake pedal
can be used for sudden stops or
setting the parking brake.

NOTE: The brake pedal must
be fully depressed to activate the
safety interlock switch when
starting the tractor.

IMPORTANT: Always set the
parking brake when leaving the tractor unattended.

10

Hour Meter

Electric PTO
(Power Take-off) Knob

Located in the center of the tractor’s console, the hour
meter operates whenever the engine is running and
records the actual hours of tractor operation. See
Figure 6.

To engage the power to the
cutting deck or other (separately
available) attachments, pull
outward on the PTO knob. Push
the PTO knob inward to
disengage the power to the cutting deck.

NOTE: The PTO knob must be in the disengaged
(OFF) position when starting the engine, when traveling
in reverse and if the operator leaves the seat.

Cruise Control
Lever
The cruise control
lever is located on
the tractor dash
panel, below the
steering wheel. Push the cruise control lever downward
while traveling forward at a desired speed. While
holding the lever down, release pressure from the drive
pedal.

Figure 6

System Indicator Lights
Your tractor is equipped with four indicator lights in the
center of its dash panel. If the Brake light or PTO light
illuminates when attempting to start the unit, proceed
as follows:

This will engage the cruise control and allow the tractor
to remain at that speed without applying pressure to the
drive pedal. Depress the brake pedal or the drive pedal
to deactivate cruise control. Refer to page 14 for
detailed instructions regarding the cruise control
feature.

Brake —
PTO —

Engage the parking brake.
Move the PTO knob into the disengaged
(OFF) position.
It is normal for the Oil light and the Battery light to
illuminate while the engine is cranking, but if either
illuminates while the engine is running, proceed as
follows:
Oil—

Battery—

NOTE: Cruise control can NOT be engaged at the
tractor’s fastest ground speed. If the operator should
attempt to do so, the tractor will automatically
decelerate to the fastest optimal mowing ground speed.

Stop the tractor immediately and check the
crankcase oil level as instructed on page
19 of this manual. Add oil as required.
If this light illuminate’s while the engine is
running, it indicates that the battery is in
need of a charge OR that the engine’s
charging system is not generating
sufficient amperage. Refer to Battery on
page 25 of this manual for the proper
battery charging procedure or have the
engine’s charging system checked by a
Cub Cadet dealer.

Parking Brake
Lever
To set the parking
brake, fully depress
the brake pedal and
push the parking
brake lever down. Hold the lever down while taking your
foot off the brake pedal. Both the parking lever and the
brake pedal will then stay depressed. To release the
parking brake, depress the brake pedal slightly. The
parking brake lever will then return to its original
position.

Cup Holder

NOTE: The parking brake must be set if the operator

The tractor’s cup holder is located on the fender to the
right of the seat, just to the rear of the deck lift lever.

leaves the seat with the engine running or the engine
will automatically shut off.
IMPORTANT: Always set the parking brake when
leaving the tractor unattended.
11

Seat Adjustment Lever

Deck Lift Lever

To adjust the seat forward or backward, slide the seat
adjustment lever to the left and reposition the seat to
the desired position. Once a comfortable position is
found, release the seat adjustment lever to lock the
seat in place. Refer to Seat Adjustment on page 18 of this
manual for more detailed instructions.

Found on your tractor’s right fender, the deck lift lever is
used to change the height of the cutting deck. To use,
move the lever to the left, then place in the notch best
suited for your application.

SECTION 5: OPERATING YOUR LAWN TRACTOR
WARNING: Do not operate the tractor if the

WARNING

interlock system is malfunctioning. This
system was designed for your safety and
protection.

AVOID SERIOUS INJURY OR DEATH
•
•
•
•
•
•
•
•
•
•
•
•

GO UP AND DOWN SLOPES, NOT ACROSS.
AVOID SUDDEN TURNS.
DO NOT OPERATE THE UNIT WHERE IT COULD SLIP OR TIP.
IF MACHINE STOPS GOING UPHILL, STOP BLADE(S) AND BACK
DOWNHILL SLOWLY.
DO NOT MOW WHEN CHILDREN OR OTHERS ARE AROUND.
NEVER CARRY CHILDREN, EVEN WITH BLADES OFF.
LOOK DOWN AND BEHIND BEFORE AND WHILE BACKING.
KEEP SAFETY DEVICES (GUARDS, SHIELDS, AND SWITCHES) IN
PLACE AND WORKING.
REMOVE OBJECTS THAT COULD BE THROWN BY THE BLADE(S).
KNOW LOCATION AND FUNCTION OF ALL CONTROLS.
BE SURE BLADE(S) AND ENGINE ARE STOPPED BEFORE PLACING HANDS OR FEET NEAR BLADE(S).
BEFORE LEAVING OPERATOR’S POSITION, DISENGAGE
BLADE(S), ENGAGE BRAKE LOCK, SHUT ENGINE OFF AND
REMOVE KEY.

Setting the Gauge Wheels
Select the height position of the cutting deck by placing
the deck lift lever in any of the six different cutting height
notches on the right fender.
To adjust the deck wheels so that they are between ¼inch and ½-inch above the ground as follows.

WARNING: Keep hands and feet away
from the discharge opening of the cutting
deck.
NOTE: The deck wheels are an anti-scalp feature of

READ OPERATOR’S MANUAL

the deck and are not designed to support the weight of
the cutting deck.

WARNING: Read, understand, and follow
all instructions and warnings on the machine
and in this manual before operating.

Place the tractor on a firm and level surface, preferably
pavement, refer to Figure 7, and proceed as follows:
•

Safety Interlock Switches
This tractor is equipped with a safety interlock system
for the protection of the operator. If the interlock system
should ever malfunction, do not operate the tractor.
Contact a Cub Cadet dealer. The safety interlock
system prevents the engine from cranking or starting
unless the parking brake is engaged, and the PTO knob
is in the disengaged (OFF) position.
•
•

•

•

The engine will automatically shut off if the operator
leaves the seat before engaging the parking brake.
The engine will automatically shut off if the operator
leaves the tractor’s seat with the PTO knob in the
engaged (ON) position, regardless of whether the
parking brake is engaged.
The electric PTO clutch will automatically shut off if
the PTO knob is moved into the engaged (ON)
position with the drive pedal in position for reverse
travel.

12

Place the tractor’s deck lift handle in the normally
desired mowing height setting, then check the
gauge wheels for contact or excessive clearance
with the surface below.
If the wheels contact the surface adjust as follows:
a. Raise the deck lift handle to its highest
setting.
b. Remove the rear gauge wheels by removing
the lock nuts, shoulder screws, and flat
washers which secure them to the deck.
c. Remove the lock nuts, shoulder screws, and
bell washers which secure the front gauge
wheels to the deck.
d. Place the deck lift handle in the desired
mowing height setting.
e. Insert the shoulder screw and flat washer
with the rear gauge wheel into the index hole
that leaves approximately 1/2" between the
bottom of the wheel and the pavement.
f. Note the position of the index hole used; then
install the other rear gauge wheel and the
front ball wheels into the corresponding index
hole of the other gauge wheel brackets.

NOTE: Upon starting the engine, a metallic ticking
may occur. This is caused by the hydraulic lifter
leakdown during storage. Run the engine for five
minutes. The noise will normally cease in the first
minute. If noise continues, run the engine at mid-throttle
for twenty minutes. If noise persists, have the engine
serviced by your Cub Cadet dealer.

Shoulder Screws
Flat Washer

NOTE: Do NOT leave the choke control on while
operating the tractor. Doing so will result in a "rich" fuel
mixture and cause the engine to run poorly.

Stopping the Engine
Bell Washer

WARNING: If you strike a foreign object,
stop the engine, disconnect the spark plug
wire(s) and ground against the engine.
Thoroughly inspect the machine for any
damage. Repair the damage before restarting
and operating

Lock nut

Figure 7

NOTE: The crowned (rounded) surface of the front
bell washers should be against the shoulder screw,
between the front ball wheel and deck gauge wheel
bracket. The cupped surface of the bell washer should
be against the deck.

•

•

•

•
•

If the gauge wheels have excessive clearance with
the surface below, lower the wheels to the index
hole that provides the approximate 1/2" clearance
as described above.
Refer to Leveling the Deck on page 17 of this manual for
more detailed instructions regarding various deck
adjustments.

If the blades are engaged, place the PTO knob in
the disengaged (OFF) position.
Place the throttle control near the FAST position
Turn the ignition key counterclockwise to the STOP
position.
Remove the key from the ignition switch to prevent
unintended starting.

Engaging the Parking Brake
To engage the parking brake:
•

Fully depress the brake pedal and hold it there
while gently pushing the parking brake lever
downward.
• Hold the parking brake lever down while removing
your foot from the brake pedal.
• Once engaged, the parking brake lever and the
brake pedal will lock in the “down” position.
To disengage the parking brake:

Starting the Engine
WARNING: Do not operate the tractor if the
interlock system is malfunctioning. This
system was designed for your safety and
protection.

NOTE: Refer to the TRACTOR SET-UP on page 8 of this

•

manual for Gasoline and Oil fill-up instructions.

NOTE: The parking brake must be engaged if the

•
•

operator leaves the seat with the engine running or the
engine will automatically shut off.

•
•
•
•

Insert the tractor key into the ignition switch.
Place the PTO knob in the disengaged (OFF)
position.
Engage the tractor’s parking brake.
Place the throttle control in the FAST position
Pull the choke control outward.
Turn the ignition key clockwise to the START
position. After the engine starts, release the key. It
will return to the ON position.

Driving The Tractor
WARNING: Avoid sudden starts, excessive speed and sudden stops.

WARNING: Do not leave the seat of the
tractor without first placing the PTO knob in
the disengaged (OFF) position, depressing
the brake pedal and engaging the parking
brake. If leaving the tractor unattended, also
turn the ignition key off and remove the key.

IMPORTANT: Do NOT hold the key in the START

position for longer than ten seconds at a time. Doing so
may cause damage to your engine’s electric starter.
•

Slightly depress the brake pedal.

After the engine starts, deactivate the choke
control.
13

•

•

Setting The Cruise Control

Briefly depress the brake pedal to release the
parking brake. Move the throttle lever into the FAST
(rabbit) position.
To travel FORWARD, slowly depress the upper
portion of the drive pedal forward until the desired
speed is achieved. See Figure 8.

NOTE: The cruise control feature should only be
utilized while traveling in the forward direction.
•

Brake Pedal

•
•

•

Slowly depress the upper portion of the drive pedal
until the desired speed is achieved.
Lightly depress the cruise control lever.
While continuing to hold the cruise lever down, lift
your foot from the drive pedal (you should feel the
cruise latch engage).
Once engaged, the cruise control lever and the
drive pedal will lock in the “down” position, and the
tractor will maintain the same forward speed.

NOTE: Cruise control can not be engaged at the
tractor’s fastest ground speed. If the operator should
attempt to do so, the tractor will automatically
decelerate to the fastest optimal mowing ground speed.

Drive Pedal

Disengage the cruise control using one of the following
methods:
•

Depress the brake pedal to disengage the cruise
control and stop the tractor.
• Lightly depress the drive pedal.
To change the direction of travel to reverse when
operating with cruise control, depress the brake pedal
to disengage the cruise control and bring the tractor to a
complete stop. Then slowly depress the lower portion of
the drive pedal with the ball of your foot to travel in
reverse.

Figure 8
•

To travel in REVERSE, check that the area behind
is clear then slowly depress the lower portion of the
drive pedal with the ball of your foot (NOT your
heel) until the desired speed is achieved. See
Figure 8.

IMPORTANT: Do NOT attempt to change the direction of
travel when the tractor is in motion. Always bring the
tractor to a complete stop before pivoting the drive
pedal from forward to reverse or vice versa.

Using the Deck Lift Lever
To raise the cutting deck, move the deck lift lever to the
left, then place it in the notch best suited for your
application. Refer to Setting The Cutting Height earlier in
this section.

Driving On Slopes
Refer to the SLOPE GAUGE on page 7 to help determine
slopes where you may operate the tractor safely.

•
•
•

•

•

Operating The Headlights

WARNING: Do not mow on inclines with a

To turn the tractor’s headlights on:

slope in excess of 15 degrees (a rise of
approximately 2-1/2 feet every 10 feet). The
tractor could overturn and cause serious
injury.

•

Start the engine following the instructions earlier in
this section.
• Turn the key one notch counterclockwise into the
On/Lights position of the ignition switch. Refer to
Figure 5.
To turn the tractor’s headlights off:

Mow up and down slopes, NEVER across.
Exercise extreme caution when changing direction
on slopes.
Watch for holes, ruts, bumps, rocks, or other
hidden objects. Uneven terrain could overturn the
machine. Tall grass can hide obstacles.
Avoid turns when driving on a slope. If a turn must
be made, turn down the slope. Turning up a slope
greatly increases the chance of a roll over.
Avoid stopping when driving up a slope. If it is
necessary to stop while driving up a slope, start up
smoothly and carefully to reduce the possibility of
flipping the tractor over backward.

•

Turn the key either into the On position (to leave the
engine running) or the Off position (to shut the
engine off). Refer to Figure 5.

NOTE: Never move the key into the Start position
while the engine is running. Doing so may cause
damage to your engine’s electric starter.

14

Moving The Tractor Manually

Front View

Your tractor’s transmission is equipped with a
hydrostatic relief valve for occasions when it is
necessary to move the tractor manually. Opening this
valve permits the fluid in the transmission to bypass its
normal route, allowing the rear tires to "freewheel." To
engage the hydrostatic relief valve, proceed as follows:
•

Pull Out

ON

Push In

OFF

Locate the hydrostatic bypass rod in the rear of the
tractor. See Figure 9.
Figure 10

Mowing
WARNING: To help avoid blade contact or
a thrown object injury, keep bystanders,
helpers, children and pets at least 75 feet
from the machine while it is in operation. Stop
machine if anyone enters the area.
This tractor is equipped with one of Cub Cadet’s quality
cutting decks. The following information will be helpful
when using the cutting deck with your tractor.

WARNING: Plan your mowing pattern to

Hydrostatic
Bypass Rod

avoid discharge of materials toward roads,
sidewalks, bystanders and the like. Also,
avoid discharging material against a wall or
obstruction which may cause discharged
material to ricochet back toward the operator.

Figure 9
•

Pull the hydrostatic bypass rod outward, then
down, to lock it in place.

NOTE: The transmission will NOT engage when the

•

hydrostatic bypass rod is pulled out. Return the rod to
its normal position prior to operating the tractor.

•

IMPORTANT: Never attempt to move the tractor
manually without first engaging the hydrostatic relief
valve. Doing so will result in serious damage to the
tractor’s transmission.

•

Engaging the PTO

•

Engaging the PTO transfers power to the cutting deck
or other (separately available) attachments. To engage
the PTO, proceed as follows:
•
•
•

•

Move the throttle control lever to the FAST (rabbit)
position.
Pull the PTO knob outward into the engaged (ON)
position. See Figure 10.
Keep the throttle lever in the FAST (rabbit) position
for the most efficient use of the cutting deck or other
(separately available) attachments

•

•

IMPORTANT: The electric PTO clutch will automatically
shut off if the PTO is engaged with the drive pedal in
position for reverse travel. Refer to Safety Interlock
Switches on page 12.

15

Do not mow at high ground speed, especially if a
mulch kit or grass collector is installed.
For best results it is recommended that the first two
laps be cut with the discharge thrown towards the
center. After the first two laps, reverse the direction
to throw the discharge to the outside for the
balance of cutting. This will give a better
appearance to the lawn.
Do not cut the grass too short. Short grass invites
weed growth and yellows quickly in dry weather.
Mowing should always be done with the engine at
full throttle.
Under heavier conditions it may be necessary to go
back over the cut area a second time to get a clean
cut.
Do NOT attempt to mow heavy brush and weeds
and extremely tall grass. Your tractor is designed to
mow lawns, NOT clear brush.
Keep the blades sharp and replace the blades
when worn. Refer to Cutting Blades on page 25 of this
manual for proper blade sharpening instructions.

Mulching

Carriage Screw

Model 1515 & 1517 lawn tractors come equipped with a
mulch kit which incorporates special blades, already
standard on your tractor, in a process of recirculating
grass clippings repeatedly beneath the cutting deck.
The ultra-fine clippings are then forced back into the
lawn where they act as a natural fertilizer. Observe the
following points for the best results when mulching.
•

•

•
•

Never attempt to mulch if the lawn is damp. Wet
grass tends to stick to the underside of the cutting
deck preventing proper mulching of the clippings.
Do NOT attempt to mulch more than 1/3 the total
height of the grass or approximately 1-1/2 inches.
Doing so will cause the clippings to clump up
beneath the deck and not be mulched effectively.
Maintain a slow ground speed to allow the grass
clippings more time to effectively be mulched.
Always position the throttle control lever in the
FAST (rabbit) position and allow it to remain there
while mowing. Failing to keep the engine at full
throttle places strain on the tractor’s engine and
does not allow the blades to properly mulch grass.

Bell
Washer

Plastic Wing Nut

Mulch Plug

Figure 11
To operate the cutting deck without mulching, simply
remove the mulch plug by unthreading the plastic wing
nut which fastens it to the cutting deck. This will allow
the clippings to discharge out the side. See Figure 11.

NOTE: It is not necessary to remove the discharge
chute to operate the mower with the mulch kit installed.

SECTION 6: MAKING ADJUSTMENTS
WARNING: Never attempt to make any

Turning the low idle adjusting needle in (clockwise)
decreases the supply of fuel to the carburetor. This
gives a leaner fuel-to-air mixture. Turning the adjusting
needle out (counterclockwise) increases the supply of
fuel to the carburetor. This gives a richer fuel-to-air
mixture. Setting the needle midway between the lean
and rich position will usually give the best results.

adjustments while the engine is running,
except where specified in the operator’s
manual.

WARNING: Disconnect the spark plug
wire(s) and ground against the engine before
performing any adjustments, repairs or
maintenance.

Low Idle
Speed Adjustment Screw

Carburetor
NOTE: Carburetor adjustments should be made only
after the engine has warmed up.
The engines on Cub Cadet 1515 & 1517 are equipped
with a Walbro fixed main jet carburetor.
Walbro carburetors have a low idle speed screw and a
low idle fuel adjusting needle.
The carburetor is designed to deliver the correct fuel-toair mixture to the engine under all operating conditions.
The main fuel jet is calibrated at the factory and is not
adjustable. The low idle fuel adjusting needle is also set
at the factory and normally does not need adjustment.

Low Idle
Fuel Adjustment Needle

If the engine is hard to start, runs roughly, or stalls at
low idle speed, it may be necessary to adjust or service
the carburetor.

Figure 12

16

Troubleshooting

3. Low Idle Speed Setting: Place the throttle control
into the “idle” or “slow” position. Set the low idle
speed to 1200 RPM* (± 75 RPM) by turning the low idle
speed adjusting screw in or out. Check the speed
using a tachometer.

If engine troubles are experienced that appear to be
fuel system related, check the following areas before
adjusting the carburetor.
•

Make sure the fuel tank is filled with clean, fresh
gasoline.
• Make sure the fuel tank cap vent is not blocked and
that it is operating properly.
• If the fuel tank is equipped with a shut-off valve,
make sure it is open.
• Make sure that the in-line fuel filter is clean and
unobstructed. Replace the filter if necessary.
• Make sure fuel is reaching the carburetor. Check
the fuel lines and fuel pump for restrictions or faulty
components, replace as necessary.
• Make sure the air cleaner element is clean and all
air cleaner element components are secure.
If, after checking the items listed above, the engine is
hard to start, runs roughly, or stalls at low idle speed, it
may be necessary to adjust or service the carburetor.

NOTE: To ensure best results when setting the low
idle fuel needle, the low idle speed must not exceed
1200 RPM (± 75 RPM).

Leveling the Deck
NOTE: Check the tractor’s tire pressure before
performing any deck leveling adjustments. Refer to
Tires on page 24 for information regarding tire pressure.

Front To Rear

Adjustment

The front of the cutting deck is supported by a stabilizer
bar that can adjusted to level the deck from front to rear.
The front of the deck should be between 1/4-inch and
3/8-inch lower than the rear of the deck. Adjust if
necessary as follows:

NOTE: Engines may have a fixed idle or limiter cap on

•

the idle fuel adjusting needle. Step 2 can only be
performed within the limits allowed by the cap.
1. Start the engine and run at half throttle for five to 10
minutes to warm up. The engine must be warm
before performing steps 2 and 3.
2. Low Idle Fuel Needle Setting: Place the throttle
into the “idle” or “slow” position. Turn the low idle
fuel adjusting needle out (counterclockwise) from
the preliminary setting until engine speed
decreases (rich). Note the position of the needle.
Now turn the adjusting needle in (clockwise). The
engine speed may increase, then it will decrease as
the needle is turned in (lean). Note the position of
the needle. Set the adjusting needle midway
between the rich and lean settings. See Figure 13.

•

•
•

•

With the tractor parked on a firm, level surface,
place the deck lift lever in the top notch (highest
position) and rotate the blade nearest the discharge
chute so that it is parallel with the tractor.
Measure the distance from the front of the blade tip
to the ground and the rear of the blade tip to the
ground.
The first measurement taken should be between
1/4" and 3/8" less than the second measurement.
Determine the approximate distance necessary for
proper adjustment and proceed, if necessary, to the
next step.
Loosen the two jam nuts on the rear side of the
deck stabilizer bracket. See Figure 14.
Lock
Nuts

Lean
Adjust to Midpoint
Deck
Stabilizer
Bracket

Deck

Jam
Nuts

Rich

Figure 14
Figure 13
17

•

•

If the tractor does not come to a complete stop when
the brake pedal is completely depressed, or if the
tractor’s rear wheels can roll with the parking brake
applied, the brake is in need of adjustment. The brake
disc can be found on the right side of the transmission
in the rear of the tractor. Adjust if necessary as
follows.
• Looking at the transmission from the right side of
the tractor, locate the compression spring and
brake disc. See Figure 16.

Locate the two lock nuts on the opposite side of the
stabilizer bracket. See Figure 14. Tighten the lock
nuts to raise the front of the deck; loosen the lock
nuts to lower the front of the deck.
Retighten the two jam nuts loosened earlier when
proper adjustment is achieved.

Side to Side
If the cutting deck appears to be mowing unevenly, a
side to side adjustment can be performed. Adjust if
necessary as follows:
•

•

•

Brake Rod

With the tractor parked on a firm, level surface,
place the deck lift lever in the top notch (highest
position) and rotate both blades so that they are
perpendicular with the tractor.
Measure the distance from the outside of the left
blade tip to the ground and the distance from the
outside of the right blade tip to the ground. Both
measurements taken should be equal. If they’re
not, proceed to the next step.
Loosen, but do NOT remove, the hex cap screw on
the left deck hanger bracket. See Figure 15.

Crown Nut

Brake Disc

NOTE: View shown from beneath tractor.
Figure 16
•
•
•
Adjustment Gear

•

Carefully remove the cotter pin from the crown nut
on the right side of the brake assembly.
Using a feeler gauge, check the gap between the
brake disc and the brake puck. Proper gap is .011".
Tighten the crown nut until the proper gap is
achieved.
Insert a replacement cotter pin (part # 714-0111)
into the crown nut.

Hex Cap Screw

Steering Adjustment
Figure 15
•

•
•

If the tractor turns tighter in one direction than the other,
or if the ball joints are being replaced due to damage or
wear, the steering drag links may need to be adjusted.

Balance the deck by using a wrench to turn the
adjustment gear (found immediately behind the hex
cap screw just loosened) clockwise/up or
counterclockwise/down.
The deck is properly balanced when both blade tip
measurements taken earlier are equal.
Retighten the hex cap screw on the left deck
hanger bracket when proper adjustment is
achieved.

Adjust the drag links so that equal lengths are threaded
into the ball joint on the left side and the ball joint on the
right side:
•
•
•

Parking Brake Adjustment
WARNING: Never attempt to adjust the

•

brakes while the engine is running. Always
disengage PTO, stop engine and remove key
to prevent unintended starting.

18

Loosen the jam nut found on the drag link at the
rear of the ball joint. See Figure 17.
Remove the hex nut and lock washer on the top of
ball joint. See Figure 17.
Thread the ball joint toward the jam nut to shorten
the drag link. Thread the ball joint away from the
jam nut to lengthen the drag link.
Replace hex nut and lock washer and retighten the
jam nut after proper adjustment is achieved.

Front tire toe-in can be measured as follows:
Hex Nut and
Lock Washer

•
•
Pivot Bar

Axle

•

•

•

Place the steering wheel in position for straight
ahead travel.
In front of the axle, measure the distance
horizontally from the inside of the left rim to the
inside of the right rim. Note the distance.
Behind the axle, measure the distance horizontally
from the inside of the left rim to the inside of the
right rim. Note the distance.
The measurement taken in front of the axle should
be between 1/16" and 5/16" less than the
measurement taken behind the axle.
Adjust if necessary.

Seat Adjustment

Jam Nut
Ball Joint

WARNING: Before operating this machine,
make sure the seat is engaged in the seat
stop, stand behind the machine and pull back
on seat until fully engaged into stop.

Figure 17

NOTE: Threading the ball joints too far onto the drag
links will cause the front tires to "toe-in" too far. Proper
toe-in is between 1/16" and 5/16".

To adjust the position of the seat, move the seat
adjustment lever (Refer to Figure 3 on Page 9) to the
left and slide the seat forward or rearward. Make sure
seat is locked into position before operating the tractor.

SECTION 7: MAINTAINING YOUR LAWN TRACTOR
NOTE: Refer to Maintenance Chart on page 29 for a
reference of recommended maintenance intervals.
WARNING: Before performing any
maintenance or repairs, disengage PTO, set
parking brake, stop engine and remove key to
prevent unintended starting.

**

*

Engine
Maintenance, repair, or replacement of the emission
control devices and systems, which are being done at
the customer’s expense, may be performed by any
engine repair establishment or individual. Warranty
repairs must be performed by your Cub Cadet
Dealer.

*Use of synthetic oil having 5W-20 or 5W-30 rating is
.
acceptable, up to 40˚F
**Synthetic oils will provide better starting in extreme
cold (below -10˚F).

Engine Oil
The engine-crankcase is filled with 10W-30 ship-away
oil at the factory. This oil may be used for the first 24
hours of engine operation at temperatures between
0°F and 80°F. If temperatures are not within this range,
drain the oil from the oil filter and crankcase and
replace with new oil.
The engine oil must be drained and replaced with new
oil after 24 hours of engine operation and every 100
hours thereafter. Refer to the Oil Viscosity Chart below
to determine the proper oil type.

NOTE: To aid starting, the selection of crankcase oil
should be based on the lowest anticipated
temperatures prior to the next scheduled oil change.

Checking the Oil Level
It is important to check the oil level at least every four
hours of operation. Regular checking during the first 24
hours of operation is especially important. Check the oil
level before each use as follows:

19

•

•
•
•

•

•

Allow the engine a few minutes to rest after operation. This will give the oil time to drain into the crankcase sump and result in a more accurate dipstick
reading.
Clean the area around the oil fill cap/dipstick to prevent debris from entering the crankcase.
Remove the oil fill cap/dipstick by unthreading it
(counterclockwise) and lifting it out of the oil fill tube.
Wipe the dipstick clean before pushing it back into
the oil fill tube. Do NOT thread the cap back onto
the fill tube. Withdraw the dipstick to check the oil
level. Refer to Figure 18.
Always keep the oil level at or near the FULL mark
on the dipstick. If the oil is low, add oil of the proper
type up to the FULL mark. Always re-check the oil
level with the dipstick before adding more oil.

IMPORTANT: The oil capacity (with oil filter) is 4 U.S.
pints (64 oz.). Never overfill the engine crankcase.
IMPORTANT: The engine may overheat and/or damage
may result if the oil level is below the ADD or over the
FULL on the dipstick.

•

Reinstall the oil fill cap/dipstick securely onto the oil
fill tube.

IMPORTANT: The oil fill cap/dipstick must be installed

securely onto the tube at all times when the engine
is operating. Severe engine damage could result from
failure to do so.

IMPORTANT:Never operate the engine with the oil level
below the ADD mark or above the FULL mark on the
dipstick.

•

Fill the crankcase until the oil level reaches the full
(F) mark on the dipstick. Refer to Figure 18. Refer
to the viscosity oil chart earlier in this section for
information regarding the proper type of oil to add
to the crankcase.

Changing the Engine OIl

After checking the oil level (and adding oil, if necessary), reinstall the oil fill cap/dipstick by inserting it
into the oil fill tube and threading (clockwise).

The engine oil and oil filter should be changed after the
first 24 hours of operation, and after every 100 hours of
operation thereafter.

WARNING: If the engine has been recently
run, the engine, muffler and surrounding
metal surfaces will be hot and can cause
burns to the skin. Allow the tractor to cool and
use caution when removing

FULL

IMPORTANT: The oil filter should be changed at every
oil change interval.

To complete an oil change, proceed as follows:
Operating
Range

Removing the Left-hand Side Panel
•
•
ADD

Engage the tractor’s parking brake and raise the
hood.
Loosen, but do not remove, the rear wing nut and
upper front wing nut. See Figure 19.
Wing Nuts

Figure 18

Adding Oil
If, after checking the oil level, you find the dipstick reads
ADD, proceed as follows.
•

•
•

Place the tractor on a level surface and engage the
parking brake. Stop the tractor engine and remove
the ignition key.
Clean the area around the oil fill cap and fill tube to
prevent debris from entering the crankcase.
Remove the oil fill cap/dipstick from the oil fill tube
and SLOWLY pour oil into the oil fill tube. Do NOT
pour more than 6 oz. of oil at a time without first
stopping and re-checking the oil level.
Figure 19
20

•

•

•

Grasp the side panel just behind the grille and pull
outward to release the side panel from the tapered
bushings on the grille.
Slide the side panel forward and out of the groove
in the dash panel.

•

Draining the Oil

•

Run the engine for a few minutes to allow the oil in the
crankcase to warm up. Warm oil will flow more freely
and carry away more of the engine sediment which may
have settled at the bottom of the crankcase. Use care to
avoid burns from hot oil.
•
•

•

Unscrew oil fill cap and remove dipstick from the oil
fill tube
Pop open the protective cap on the end of the oil
drain valve to expose the drain port. See Figure 20.

Before removing the old oil filter, clean around its
base to prevent debris from entering the crankcase.
Remove the oil filter drain plug located at the base
of the oil filter adapter. Allow the oil filter to drain
before replacing the oil filter drain plug. See Figure
20.
Grasp the oil filter and remove it from the filter
adapter by turning it counterclockwise.
Place a new replacement filter in a shallow pan with
the open end up and pour new oil of the proper type
(see chart on page 19), in through the threaded
center hole.

IMPORTANT: Stop pouring when the oil reaches the
bottom of the threads and allow a minute or two for the
oil to be absorbed by the filter material.

•
Oil Fill Cap

•

Oil Filter

Put a drop of oil on your fingertip and apply a light
coating to the gasket of the new oil filter.
Install the replacement oil filter on the engine by
turning it clockwise onto the filter adapter until the
rubber gasket makes contact with the base. Tighten
the filter an additional 1/2 turn after the gasket first
makes contact.

Re-filling the Crankcase with Oil
Oil Filter
Drain Plug

IMPORTANT: The engine (with oil filter) has a capacity of
four pints (64 oz.). Do NOT overfill. Always check the
level on the dipstick as instructed on page 19 before
adding more oil.

NOTE: For the proper oil type, refer to the chart on

Oil Drain Hose
Drain Port

page 19 of this manual.
•

Figure 20
•

•

•

•

Push the oil drain hose (packed with this manual)
onto the oil drain port. Route the opposite end of
the hose into an appropriate oil collection container
with a capacity great enough to collect the used oil
(approximately four pints or 64 oz.).
Push the oil drain valve in slightly, then rotate
counterclockwise and pull outward to begin
draining oil. See Figure 20.
After the oil has finished draining, push the oil drain
valve back in, rotate it clockwise to lock the valve
closed and re-cap the end of the oil drain valve to
keep debris from entering the drain port.

•

Clean the area around the oil fill tube to prevent
debris from entering the crankcase.
Slowly pour oil into the fill tube. Fill the crankcase
until the oil level reaches the full (F) mark on the
dipstick (Refer to Figure 18).
Reinstall the oil fill cap/dipstick securely into the oil
fill tube.

IMPORTANT: The oil fill cap/dipstick must be installed
securely onto the tube at all times when the engine
is operating. Severe engine damage could result from
a failure to do so.

•

•

IMPORTANT: Always change the oil filter when
performing an oil change on your tractor’s engine.

•

Changing the Oil Filter
After draining the oil, proceed as follows:

NOTE: Refer to the Attachments & Accessories table

Start the tractor engine and allow it to run for thirty
seconds, then stop the engine and remove the
ignition key.
Check the oil level and add oil if necessary. Do not
overfill the engine crankcase.
Examine the area around the base of the oil fill
tube, the oil filter adapter, and the oil drain valve for
leaks before operating the tractor.

IMPORTANT: If leaks are present, have your engine
serviced by your Cub Cadet dealer before operating the
tractor.

found on page 32 of this manual for the proper oil filter.

21

Air Filter
The engine is equipped with a replaceable, high density
paper air cleaner element and an oiled, foam
precleaner which surrounds the paper element. See
Figure 21. Always examine the air cleaner before
starting the engine. Check for a buildup of dirt and
debris around the air cleaner system. Keep this area
clean. Also check for loose or damaged components.
Replace all bent or damaged air cleaner components.

Air Cleaner Cover
with Knob

Foam
Precleaner

NOTE: Starting the tractor with loose or damaged air
cleaner components could allow unfiltered air into the
engine causing premature wear and failure.

Short Seal

Precleaner

Wing Nut

Wash and re-oil the precleaner every 25 hours of
operation if equipped, (more often under extremely
dusty or dirty conditions).
•
•
•

•
•
•
•

Air Cleaner Element
with Seals

Loosen the air cleaner cover knob and remove the
cover.
Remove the precleaner from the paper element.
Wash the precleaner in warm water with detergent.
Rinse the precleaner thoroughly until all traces of
detergent are eliminated. Squeeze out excess
water (do not wring). Allow the precleaner to air dry.
Saturate the precleaner with new engine oil.
Squeeze out all excess oil.
Reinstall the precleaner over the paper element.
Reinstall the air cleaner cover and tighten the knob
securely.
When ordering replacement parts, use the
accompanying Illustrated Parts manual, or the
Attachments & Accessories table found on page 32 of
this manual.

Long Seal

Stud

Gasket
Air Cleaner
Base

Figure 21

Service Paper Element

•

NOTE: Refer to the Attachments & Accessories table
found on page 32 of this manual for the proper air filter.
•

The paper element should be replaced at least every
100 hours of operation. Replace more frequently if the
tractor is operated under extremely dusty conditions.
To replace the paper element, proceed as follows:
•
•

•

Loosen the air cleaner cover knob and remove the
cover.
Remove the short seal and wing nut. Then remove
the air cleaner element with precleaner. Remove
the precleaner from the element and service as
instructed earlier in this section.

•
•

IMPORTANT:Do not wash the paper element or use

•

pressurized air, as this will damage the element.
Examine the element and discard if dirt and/or damage
is present.

If any loose dirt or debris fell on the air cleaner base
when the element was removed, carefully remove it
and wipe the base clean. Be careful that none of it
drops into the intake throat.
Check the condition of the rubber seal on the air
cleaner stud. If condition is questionable in any
way, replace it with the new long seal packaged
with the replacement element.
Check the air cleaner base. Make sure it is secured
and not damaged. Also check the air cleaner cover
for damage or improper fit. Replace all damaged air
cleaner components.
Install the precleaner over the new paper element.
Install the element (with precleaner) on the base
and secure it with the wing nut.
Install short seal onto the stud until it contacts the
wing nut, then reinstall the cover and tighten the
knob securely. Refer to Figure 21.

Spark Plug
Every 200 hours of operation, remove the spark plug,
check its condition, and reset the gap or replace with a
new plug as necessary.

NOTE: Handle new elements carefully; do not use if
the sealing surfaces are bent or damaged.

22

NOTE: Refer to the Attachments & Accessories table

Visually inspect the filter periodically for a build-up of
residue inside the filter body, and for a dirty element
which can be indicated by discoloration. Replace the
fuel filter when dirty.

found on page 32 of this manual for the proper spark
plug type.
•
•
•

•
•

Lift the tractor’s hood and locate the spark plug wire
on the front, right area of the engine.
Carefully pull the spark plug wire boot off of the
spark plug.
Before removing the spark plug, clean the area
around the base of the plug to keep dirt and debris
out of the engine.
Using a ratchet with a 5/8-inch spark plug socket,
remove the spark plug and check its condition.
Replace the plug if worn, dirty of damaged. Reuse
only after resetting the gap as instructed in the
following steps.

NOTE: If necessary, remove the tractor’s right-hand
side panel as instructed on page 20 before changing
the engine’s fuel filter.

Cleaning the Engine And Deck
Any fuel or oil spilled on the machine should be wiped
off promptly.
Do NOT allow debris to accumulate around the cooling
fins of the engine or on any other part of the machine,
especially the belts and pulleys.
IMPORTANT: The use of a pressure washer or garden
hose to clean your tractor is NOT recommended. It may
cause damage to electrical components, spindles,
pulleys, bearings or the engine. The use of water will
result in a shortened life of the tractor and reduce its
serviceability.

NOTE: Do not clean the spark plug in a machine
using abrasive grit. Some grit could remain in the spark
plug and enter the engine causing extensive wear and
damage.
•

Check the gap using a feeler gauge and adjust, if
necessary, by carefully bending the ground
electrode. See Figure 22. Set the spark plug gap to
1.0 mm (0.040 in.).

Lubrication
WARNING: Before lubricating, repairing, or
inspecting, always disengage PTO, set
parking brake, stop engine and remove key to
prevent unintended starting.

Feeler Gauge
Spark Plug

Deck Spindles
Grease fittings can be found on the top of each deck
spindle shaft. See Figure 23. Lubricate with 251H EP
grease or an equivalent No. 2 multi-purpose lithium
grease. Using a grease gun, apply two strokes
(minimum) or sufficient grease to flush old grease and
dirt out of the spindle shaft.

Grease Fitting

Ground Electrode
Gap

Figure 22
•

•

Reinstall the spark plug into the cylinder head.
Torque the spark plug to 38.0/43.4 N·m (28/32 ft.
lb.).
Place the spark plug wire boot over the spark plug
and press until you feel it “click” in place.

Fuel Filter

WARNING: Do not replace the fuel filter
when engine is hot.
The engine is equipped with an inline fuel filter located
on the right side of the engine.

Figure 23

23

Pivot Points & Linkage
Lubricate all the pivot points on the drive system,
parking brake and lift linkage at least once a season
with light oil.

Deck Wheels
Each of the tractor deck’s front gauge wheels is
equipped with a grease fitting. Lubricate with a grease
gun after every 25 hours of tractor operation

Front Wheels
Each of the front wheel axles and rims is equipped with
a grease fitting. See Figure 24. Lubricate with a grease
gun after every 25 hours of tractor operation.

Axle Grease Fitting

Engine
Refer to Engine on page 19 for instruction regarding all
engine-related lubrication.

Rim Grease Fitting

Figure 24

SECTION 8: SERVICE
Head Lamp
WARNING: If the engine has been recently

Socket Tab

Terminal

run, the engine, muffler and surrounding
metal surfaces will be hot and can cause
burns to the skin. Allow the tractor to cool and
use caution when changing the lamp bulbs.
Replace headlight bulbs as follows:

NOTE: Pay attention to which lamp wire connects to
each terminal before disconnecting.
•
•

•

•

Unplug the wire harness leads from the lamp
socket terminals. See Figure 25.
To remove the bulb & socket from the reflector
housing, align the tab of the socket with the notch of
the reflector, then push the socket inward and turn
as follows to unlock:
Left lamp —
1/4 turn counterclockwise.
Right lamp —
1/4 turn clockwise.
With the terminals pointing upward, align the tab of
the replacement bulb & socket with the notch of the
reflector. Push then socket inward and turn as
follows to lock:
Left lamp —
1/4 turn clockwise.
Right lamp —
1/4 turn counterclockwise.
Re-connect the wire harness leads to the
appropriate socket terminals.

Socket
Reflector
Notch

Reflector
Housing

Figure 25

Tires
WARNING: Never exceed the maximum
inflation pressure shown on the sidewall of the
tire.
The recommended operating tire pressure is:
approximately 10 psi for the rear tires and
approximately 14 psi for the front tires.
Refer to the tire sidewall for exact tire manufacturer’s
recommended or maximum psi. Do not overinflate.
Uneven tire pressure could cause the cutting deck to
mow unevenly.
24

Cutting Blades

The blade can be tested by balancing it on a round
shaft screwdriver. Grind metal from the heavy side until
it balances evenly.

WARNING: Be sure to shut the engine off,
remove ignition key, disconnect the spark
plug wire(s) and ground against the engine to
prevent unintended starting before removing
the cutting blade(s) for sharpening or
replacement. Protect your hands by using
heavy gloves or a rag to grasp the cutting
blade.

IMPORTANT:When replacing the blade, be sure to
install the blade with the side of the blade marked
‘‘Bottom’’ (or with a part number stamped in it) facing
the ground when the mower is in the operating position.

WARNING: Periodically inspect the blade
adapter and/or spindle for cracks or damage,
especially if you strike a foreign object.
Replace immediately if damaged .

Battery

IMPORTANT:Use a torque wrench to tighten the blade
spindle hex flange nut to between 70 lbs-ft and 90 lbs-ft.

The battery is sealed and is maintenance-free. Acid
levels cannot be checked and fluid can not be added.
•

The blades may be removed as follows.
•

•

•

Remove the deck from beneath the tractor, (refer to
Cutting Deck Removal on page 26) then gently flip the
deck over to expose its underside.
Place a block of wood between the center deck
housing baffle and the cutting blade to act as a
stabilizer. See Figure 26.

•

Always keep the battery cables and terminals clean
and free of corrosive build-up.
After cleaning the battery and terminals, apply a
light coat of petroleum jelly or grease to both
terminals
Always keep the rubber boot positioned over the
positive terminal to prevent shorting.

IMPORTANT: If removing the battery for any reason,
disconnect the NEGATIVE (Black) wire from it’s
terminal first, followed by the POSITIVE (Red) wire.
When re-installing the battery, always connect the
POSITIVE (Red) wire its terminal first, followed by the
NEGATIVE (Black) wire. Be certain that the wires are
connected to the correct terminals; reversing them
could change the polarity and cause damage to your
engine’s alternating system.

Hex Flange Nut
Wood Block

Jump Starting

WARNING: Never jump start a damaged or
frozen battery. Be certain the vehicles do not
touch, and ignitions are off. Do not allow cable
clamps to touch.
•
Spindle Assembly

Figure 26

•

Use a 1-1/8" wrench to remove the hex flange nut
that secures the blade to the spindle assembly. See
Figure 26.
To properly sharpen the cutting blades, remove equal
amounts of metal from both ends of the blades along
the cutting edges, parallel to the trailing edge, at a 25°
to 30° angle.IMPORTANT:

•

•

•

Connect positive (+) cable to positive post (+) of
your tractor’s discharged battery.
Connect the other end of the cable to the (positive
+) post of the jumper battery.
Connect the second cable (negative –) to the other
post of the jumper battery.
Make the final connection on the engine block of
the stalled tractor, away from the battery. Attach to
a unpainted part to assure a good connection.

IMPORTANT: If the jumper battery is installed on a
vehicle (i.e. car, truck), do NOT start the vehicle’s
engine when jump starting your tractor.

IMPORTANT: If the cutting edge of the blade has already
been sharpened, or if any metal separation is present,
replace the blades with new ones.

•

It is important that each cutting blade edge be ground
equally to maintain proper blade balance. A poorly
balanced blade will cause excessive vibration and may
cause damage to the tractor and result in personal
injury.

•
•

25

Refer to the instructions on page 13 to start the
tractor .
Set the tractor’s p[arking brake before removing the
jumper cables, in reverse order of connection.
Allow the tractor’s engine to run for 15 minutes
before shutting it off to allow the alternating system
time to charge the discharged battery.

Charging
If the unit has not been put into use for an extended
period of time, charge the battery with an automotivetype 12-volt charger for a minimum of one hour at six
amps.

Support Pin

WARNING: Batteries give off an explosive
gas while charging. Charge battery in a well
ventilated area and keep away from an open
flame or pilot light as on a water heater, space
heater, furnace, clothes dryer or other gas
appliances.

Fuse
A fuse is installed in your tractor’s wiring harness to
protect the tractor’s electrical system from damage
caused by excessive amperage.
If the electrical system does not function, or your
tractor’s engine will not crank, first check to be certain
that the fuse has not blown.

Figure 27

Changing the Deck Belt(s)

It can be found under the hood mounted behind the top
of the dash panel on the support bar. Pull the fuse out
and inspect it to determine if it is good or blown.

WARNING: Be sure to shut the engine off,
remove ignition key, disconnect the spark
plug wire(s) and ground against the engine to
prevent unintended starting before removing
the belt(s).

IMPORTANT: Always use a fuse with the same

amperage capacity for replacement.

WARNING: Before servicing, repairing, or
inspecting, always disengage PTO, set
parking brake, stop engine and remove key to
prevent unintended starting.

All belts on your tractor are subject to wear and should
be replaced if any signs of wear are present.
IMPORTANT: The V-belts found on your tractor are
specially designed to engage and disengage safely. A
substitute (non-OEM) V-belt can be dangerous by not
disengaging completely. For a proper working machine,
use factory approved belts.

Cutting Deck Removal
To remove the cutting deck, proceed as follows:
• Place the PTO knob in the disengaged (OFF)
position and engage the parking brake.
• Lower the deck by moving the deck lift lever into the
bottom notch on the right fender.
• Remove the PTO belt from around the tractor’s
electric PTO clutch. Refer to Figure 28 or Figure 29.
• Looking at the cutting deck from the left side of the
tractor, locate the deck support pin on the rear left
side of the deck.
• Rotate the pin slightly toward the rear of the tractor
and release the pin into the hole provided.
• Pull the deck support pin outward to release the
deck from the deck lift arm. See Figure 27.
• Repeat the above steps on the tractor’s right side.
• Move the deck lift lever into the top notch on the
right fender to raise the deck lift arms up and out of
the way.
• Gently slide the cutting deck toward the front of the
tractor allowing the hooks on the deck to release
themselves from the deck stabilizer rod.
• Gently slide the cutting deck (from the right side)
out from underneath the tractor.

To change or replace the deck belts on your tractor,
proceed as follows:
•
•

•

•
•

•
•
•

26

Lower the deck by moving the deck lift lever into the
bottom notch on the right fender.
Remove the belt guards by removing the selftapping screws that fasten them to the deck. See
Figure 28 or Figure 29.
Grasp the rearmost portion of the PTO idler bracket
and pivot it toward the discharge chute to relieve
tension on the PTO belt.
Remove the PTO belt from the electric PTO clutch
and the PTO idler pulley(s).
Grasp the deck idler pulley and pivot it toward the
left side of the deck to relieve tension on the deck
belt.
Remove the deck belt from around all pulleys,
including the deck idler pulley.
Route the new belts as shown in Figure 28 or
Figure 29.
Remount the belt guards removed earlier.

Model 1515

Electric PTO Clutch
PTO Idler Bracket
(mounted on deck)

Deck/PTO belt

Left Hand Pulley
(beneath belt guard)
Right Hand Pulley
(beneath belt guard)

Deck Idler Pulleys

Figure 28
Electric PTO Clutch

PTO Idler Bracket
(mounted on tractor)

Left Hand Pulley

Model 1517
Deck belt (Bottom)
PTO belt (Top)
Right Hand Pulley
(beneath belt guard)

Deck Idler Pulley
Center Pulley

Self-Tapping Screws

NOTE: Left hand belt cover not shown for clarity.

Figure 29

Changing The Transmission Drive Belt

•

All belts on your tractor are subject to wear and should
be replaced if any signs of wear are present.

•

IMPORTANT: The V-belts found on your tractor are
specially designed to engage and disengage safely. A
substitute (non-OEM) V-belt can be dangerous by not
disengaging completely. For a proper working machine,
use factory approved belts.

IMPORTANT: When removing the battery, disconnect
the NEGATIVE (Black) wire from it’s terminal first,
followed by the POSITIVE (Red) wire. Re-install in
reverse order.

To change or replace the drive belt on your tractor,
proceed as follows:

27

Remove the cutting deck as instructed earlier in this
section.
After disconnecting the battery cables, remove the
battery and battery tray from beneath the seat.

NOTE: Proper removal of the drive belt requires the

•

removal of several tractor components. Read through
the following procedure prior to attempting it to
determine if you feel you could successfully complete it.
If you don’t, see your Cub Cadet dealer to have the belt
changed.

•

IMPORTANT: Note the routing of the lower drive belt
around all the pulleys and the belt keepers (if present)
BEFORE performing the following steps.

•
•

•

•

•
•

IMPORTANT: When remounting the electric PTO clutch,
make certain that is properly oriented against the antirotation bracke prior to securing it to the engine’s
crankshaft. Torque the center hex bolt to between 38
foot-pounds and 50 foot-pounds.

Locate the fixed v-idler pulley found on the left
underside of the frame. See Figure 30.
Grasp the belt on both sides of the pulley and
gently move it toward the left frame rail allowing it to
unseat itself from the fixed v-idler. See Figure 30.
Pivot the double-idler bracket forward slightly
before removing the idler extension spring from the
stud and the double-idler bracket itself. Do NOT
discard the spring.
Roll the drive belt out from around both the v-idler
pulley and the flat idler pulley found on the doubleidler bracket.
Carefully unplug the tractor’s wire harness from the
connector on the electric PTO clutch.
Note the orientation of the electric PTO clutch.
Remove the hex bolt from the center of the electric
PTO clutch and gently lower it off of the engine
crankshaft.
Transmission Pulley
(Beneath Cooling Fan)

Be careful not to lose any washers or spacers
which may be found on top of the electric PTO
clutch.
The engine pulley is located directly above the
electric PTO clutch. Lower the engine pulley far
enough to be able to remove the upper drive belt
from around it.

•

Remove the drive belt by feeding it from front to
rear, toward the hydrostatic transmission. See
Figure 30.
Continue removing the drive belt by gently lifting it
off of the transmission pulley and over the cooling
fan.

•

IMPORTANT: The fins on the cooling fan are only slightly
flexible. Be careful not to damage the fan when
removing the drive belt from around the transmission
pulley.

•

Reroute the new belt around the pulleys and belt
keepers, if present, EXACTLY as the old one was
routed. Refer to Figure 30.

Fixed V-idler Pulley

FRONT OF TRACTOR
Left Frame Rail
V-idler Pulley
Flat idler Pulley

Idler Extension Spring
Double-Idler Bracket

Engine Pulley

Drive Belt
NOTE: View shown from above tractor.

Hydrostatic
Transmission

Figure 30
28

Hydrostatic Transmission
The hydrostatic transmission is sealed at the factory
and is maintenance free. The fluid level cannot be
checked nor can the oil be changed. Always keep the
area around the transmission cooling fan free of grass
and debris at all times.

SECTION 9: OFF-SEASON STORAGE
Clean and lubricate the tractor as instructed in Section 7:
MAINTAINING YOUR LAWN TRACTOR on page 19 of this
manual before storing for an extended period.

To empty the system, run the engine until the tank
and system are empty.

WARNING: Drain fuel only into an
approved container outdoors, away from an
open flame. Allow engine to cool. Extinguish
cigarettes, cigars, pipes, and other sources of
ignition prior to draining fuel.

Engine
If the engine will be out of service for two months or
more, use the following storage procedure:
•
•

•

Clean the exterior surfaces of the engine.
Change the oil and filter while the engine is still
warm from operation. Refer to Changing the Engine OIl
on page 20.
The fuel system must be completely emptied, or the
gasoline must be treated with a fuel stabilizer such
as STA-BIL to prevent deterioration. If you choose
to use a stabilizer, follow the manufacturers
recommendations, and add the correct amount for
the capacity of the fuel system. Fill the fuel tank with
clean, fresh gasoline. Run the engine for 2-3
minutes to get stabilized fuel into the carburetor.

•

•

Remove the spark plug. Add one tablespoon of
engine oil into the spark plug hole. Install the plug,
but do not reconnect the plug wire. Crank the
engine two or three revolutions.
Store the engine in a clean, dry place.

WARNING: Never store the machine or

®

fuel container indoors where there is an open
flame, spark or pilot light such as on water
heater, furnace, clothes dryer or other gas
appliance.

SECTION 10: MAINTENANCE CHART
Before
Each Use

After Initial
24 Hours

Every
10 Hours

Clean Grille, Engine Screen
and Side Panel Screens

Check Engine Oil Level
Clean and Re-oil Air
Filter’s Foam Precleaner
Replace Air Filter Element
Change Engine Oil & Filter
Clean Battery Terminals
Lube Front Axles and Rims
Clean Engine Cooling Fins
Lube Front Deck Wheels
Lube Deck Spindles
Lube Pedal Pivot Points
Check Spark Plug
29

Every
25 Hours

Every
100 Hours

Every
Season

Prior
to Storing

SECTION 11: TROUBLESHOOTING
Trouble

Possible Cause(s)

Corrective Action

Engine fails to start

PTO knob engaged.
Parking brake not engaged.
Spark plug wire(s) disconnected.
Throttle control lever not in correct
starting position.
Choke not activated
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.
Unit running with CHOKE applied.
Spark plug wire loose.
Blocked fuel line or stale fuel.

Place knob in disengaged (OFF) position.
Engage parking brake.
Connect wire to spark plug.
Place throttle lever to FAST position.

Engine runs erratic

Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Engine overheats

Engine oil level low.
Air flow restricted.

Engine hesitates at high RPM Spark plug gap too close.
Idles poorly
Spark plug fouled, faulty or gap too
wide.
Dirty air cleaner.
Excessive vibration
Cutting blade loose or unbalanced.
Damaged or bent cutting blade.
Mower will not mulch grass
Engine speed too low.
Wet grass.
Excessively high grass.

Uneven cut

Dull blade.
Deck not balanced properly.
Dull blade.
Uneven tire pressure.

30

Pull out the CHOKE control.
Fill tank with clean, fresh (less than 30 days old) gas.
Clean fuel line or replace fuel filter.
Clean, adjust gap to .040” or replace plug.
Crank engine with throttle in FAST position.
Push CHOKE control in.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh (less than 30
days old) gasoline. Replace fuel filter, if so equipped.
Clear vent or replace cap if damaged.
Drain fuel tank. Refill with clean, fresh (less than 30
days old) gasoline.
Replace air cleaner paper element or clean foam precleaner.
Fill crankcase with proper capacity and weight of oil.
Clean grass clippings and debris from around the
engine’s cooling fins and blower housing.
Remove spark plug and reset the gap to .040”.
Replace spark plug. Set plug gap to .040”.
Replace air cleaner cartridge/element or clean precleaner.
Tighten blade and spindle. Balance blade.
Replace blade.
Place throttle in FAST (rabbit) position.
Do not mow when grass is wet; wait until later to cut.
Mow once at a high cutting height, then mow again at
desired height or make a narrower cutting swath.
Sharpen or replace blade.
Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.

SECTION 12: SPECIFICATIONS
1515

1517

3 gallons (11.4 liters)

3 gallons (11.4 liters)

4 pints / 64 oz. (1.9 liters)

4 pints / 64 oz. (1.9 liters)

4.9 pints / 78.8 oz. (2.3 liters)

4.9 pints / 78.8 oz. (2.3 liters)

Hydro-Gear 311-0710

Hydro-Gear 311-0710

22.2:1

22.2:1

Forward Speed

0 m.p.h. - 5.5 m.p.h.

0 m.p.h. - 5.5 m.p.h.

Reverse Speed

0 m.p.h. - 2.5 m.p.h.

0 m.p.h. - 2.5 m.p.h.

Kohler CV15

Kohler CV490

Single

Single

Bore

3.55 in. (90 mm)

3.54 in. (90 mm)

Stroke

2.64 in. (67 mm)

3.03 in. (77 mm)

Displacement

26 cu. in. (426 cc)

29.9 cu. in. (490 cc)

Maximum Power @3600 RPM

15 HP (11.2 kW)

17 HP (12.7 kW)

Maximum Torque @2400 RPM

23.8 lbs. ft. (32.3 Nm)

27.7 lbs. ft. (37.6 Nm)

8:5:1

8:4:1

1200 RPM

1200 RPM

3500 RPM (± 100 RPM)

3500 RPM (± 100 RPM)

.040 in. (1.0 mm)

.040 in. (1.0 mm)

12-volt Negative Ground

12-volt Negative Ground

Battery

270 CCA (sealed)

270 CCA (sealed)

Alternator

15 Amp Regulated

15 Amp Regulated

20 Amp

20 Amp

Incandescent

Incandescent

Single Disc (Dry)

Single Disc (Dry)

Front (inches)

15 x 6 x 6

15 x 6 x 6

Rear (inches)

20 x 9 x 8

20 x 9 x 8

Wheelbase

47 in. (119.4 cm)

47 in. (119.4 cm)

Length, over all

68 in. (172.7 cm)

68 in. (172.7 cm)

Width, over all (w/ mower deck - chute up)

45 in. (114.3 cm)

45 in. (114.3 cm)

Height, over all (to top of steering wheel)

43 in. (109.2 cm)

43 in. (109.2 cm)

Ground Clearance

6 in. (15.2 cm)

6 in. (15.2 cm)

Turning Radius

18 in. (46 cm)

18 in. (46 cm)

502 lb (225.9 kg)

504 lb (226.8 kg)

Capacities
Fuel Tank
Crankcase (approximately)
Transmission Case (approximately)
Hydrostatic Transmission
Make and Model
Gear Ratio

Engine (Air-cooled, 4-cycle, Gasoline, OHV)
Make and Model
Cylinders

Compression Ratio
Engine Speed (governed)
Low Speed
High Speed (no load)
Spark Plug Gap
Electrical System
System Voltage

Fuse (automotive type)
Headlights
Brakes
Turf Tires

Dimensions

Weight (approximate)
31

SECTION 13: ATTACHMENTS & ACCESSORIES
The following attachments and accessories are compatible for Model 1515 & Model 1517. See your Cub Cadet
dealer or the retailer from which you purchased your tractor for information regarding price and availability.

NOTE: Cub Cadet lawn tractor models 1515 and 1517 are NOT designed for use with any type of groundengaging attachments (e.g. tiller or mulboard plow). Use of this type of equipment WILL void the tractor’s warranty.
MODEL
190-604-101
(CC-)190-670(-100)*
(CC-)190-671(-100)*
(CC-)190-672(-100)*
(CC-)190-673(-100)*
(CC-)190-674(-100)*
(CC-)190-675(-100)*
CC-759-4000
CC-12-050-08
CC-24-050-02
CC-759-3336
CC-742-3032
CC-742-3033
CC-754-0640
CC-754-0641
CC-754-0644
CC-754-0645
CC-759-3976

DESCRIPTION
Attachments
Yard-Mate™ Storage Container/Toolbox (mounts on rear of tractor)
Twin Bagger Grass Collector
Rear Tire Chain Set (20” x 9”)
Front Bumper Kit
42-inch Two-stage Snow Thrower
46-inch Front Dozer Blade
Rear Wheel Weight Set
Accessories
Air Filter (Kohler 12-083-10-S) with Pre-Cleaner (Kohler 12-083-12-S)
Oil Filter (Kohler 12-050-08-01)
Fuel Filter (Kohler 24-050-02-S)
Spark Plug (Champion® RC12YC, Kohler 12-132-02-S )
38-onch Cutting Blade Set (Model 1515)
42-inch Cutting Blade Set (Model 1517)
Transmission Drive Belt
PTO / Deck Belt (Model 1515)
PTO Belt (Model 1517)
Deck Belt (Model 1517)
Maintenance Kit including:
Air Filter w/ Precleaner, Engine OIl, Oil Filter, Fuel Filter, Grease Gun, Spark Plug & Fuel Stabilizer

759-3940A
759-3735A
737-3030B
737-3049

Cub Cadet Yellow Touch Up Paint (11.5oz Aerosol )
Cub Cadet Beige Touch Up Paint (11.5oz Aerosol )
10w-30 Oil (1 qt.)
5w-30 Oil (1 qt.)

* Attachments purchased through a merchandise retailer may have a “CC” model number prefix.
Attachments purchased through your Cub Cadet dealer may have a “100” model number suffix.

32

777I00005

777I00003

777D01782

777I00004

STOP

IGNITION

33
WARNING

SEAT ADJUSTER
RELEASE

777D04541

777S00007

777I20310

777D05387

D03263

D03263

1500

777D03264
LEFT SIDE

777D03263
RIGHT SIDE

(2) 777X40079

777D05447

D03264

777D05479

777D05478

777D05448

777I20314

LABEL MAP

KOHLER CO.
FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS
LIMITED WARRANTY
UTILITY AND LAWN AND GARDEN ENGINES
The U.S. Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and Kohler Co. are pleased to explain the Federal
and California Emission Control Systems Warranty on your small off-road equipment engine. For California, engines produced in 1995 and later must
be designed, built and equipped to meet the state’s stringent anti-smog standards. In other states, 1997 and later model year engines must be
designed, built and equipped, to meet the U.S. EPA regulations for small non-road engines. The engine must be free from defects in materials and
workmanship which cause it to fail to conform with U.S. EPA standards for the first two years of engine use from the date of sale to the ultimate
purchaser. Kohler Co. must warrant the emission control system on the engine for the period of time listed above, provided there has been no abuse,
neglect or improper maintenance.
The emission control system may include parts such as the carburetor or fuel injection system, the ignition system, and catalytic converter. Also
included are the hoses, belts and connectors and other emission related assemblies.
Where a warrantable condition exists, Kohler Co. will repair the engine at no cost, including diagnosis (if the diagnostic work is performed at an
authorized dealer), parts and labor.
MANUFACTURER’S WARRANTY COVERAGE
Engines produced in 1995 or later are warranted for two years in California. In other states, 1997 and later model year engines are warranted for two
years. if any emission related part on the engine is defective, the part will be repaired or replaced by Kohler Co. free of charge.
OWNER’S WARRANTY RESPONSIBILITIES
The engine owner is responsible for the performance of the required maintenance listed in the owner’s manual. Kohler Co. recommends that you
retain all receipts covering maintenance on the engine. But Kohler Co. cannot deny warranty solely for the lack of receipts or for your failure to assure
that all scheduled maintenance was performed.
(a) Be aware, however, that Kohler Co. may deny warranty coverage if the engine or a part has failed due to abuse, neglect, improper
maintenance or unapproved modifications.
(b) For warranty repairs, the engine must be presented to a Kohler Co. service center as soon as a problem exists. Call 1-800-544-2444,
or access our web site at: www.kohlerengines.com, for the names of the nearest service centers. The warranty repairs should be
completed in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding warranty rights and responsibilities, you should contact Kohler Co. at 1-920-457-4441 and ask for an Engine
Service representative.
COVERAGE
Kohler Co. warrants to the ultimate purchaser and each subsequent purchaser that the engine will be designed, built and equipped, at the time of
sale, to meet all applicable regulations. Kohler Co. also warrants to the initial purchaser and each subsequent purchaser, that the engine is free from
defects in material and workmanship which cause the engine to fail to conform with applicable regulations for a period of two years.

Engines produced in 1995 or later are warranted for to years in California. For 1997 and later model years, EPA requires manufacturers to warrant
engines for two years in all other states. These warranty periods will be begin on the date the engine is purchased by the initial purchaser. If any
emission related part on the engine is defective, the part will be replaced by Kohler Co. at no cost to the owner. Kohler Co. is liable for damages to
other engine components caused by the failure of a warranted part still under warranty.
Kohler Co. shall remedy warranty defects at any authorized Kohler Co. engine dealer or warranty station. Warranty repair work done at an
authorized dealer or warranty station shall be free of charge to the owner if such work determines that a warranted part is defective.
Listed below are the parts covered by the Federal and California Emission Control Systems Warranty. Some parts listed below may require
scheduled maintenance and are warranted up to the first scheduled replacement point for that part. The warranted parts are:
•
•
•
•
•
•
•

Oxygen sensor (if equipped)
• Intake manifold (if equipped)
Exhaust manifold (if equipped)
• Catalytic muffler (if equipped)
Fuel metering valve (if equipped)
• Spark advance module (if equipped)
Crankcase breather
• Ignition module(s) with high tension lead
Gaseous fuel regulator (if equipped)
• Electronic control unit (if equipped)
Carburetor or fuel injection system
• Fuel lines (if equipped)
Air filter, fuel filter, and spark plugs (only to first scheduled replacement point)

LIMITATIONS
This Emission Control System Warranty shall not cover any of the following:
(a) repair or replacement required because of misuse or neglect, improper maintenance, repairs improperly performed or replacement
not conforming to Kohler Co. specifications that adversely affect performance and/or durability and alterations or modifications not
recommended or approved in writing by Kohler Co.,
(b) replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled
replacement point,
(c) consequential damages such as loss of time, inconvenience, loss of use of the engine or equipment, etc.,
(d) diagnosis and inspection fees that do not result in eligible warranty service being performed, and
(e) any add-on or modified part, or malfunction of authorized parts due to the use of add-on or modified parts.
MAINTENANCE AND REPAIRS REQUIREMENTS
The owner is responsible for the proper use and maintenance of the engine. Kohler Co. recommends that all receipts and records covering the
performance of regular maintenance be retained in case questions arise. If the engine is resold during the warranty period, the maintenance records
should be transferred to each subsequent owner. Kohler Co. reserves the right to deny warranty coverage if the engine has not been properly maintained; however, Kohler Co. may not deny warranty repairs solely because of the lack of repair maintenance or failure to keep maintenance records.

Normal maintenance, replacement or repair of emission control devices and systems may be performed by any repair establishment or individual;
however, warranty repair must be performed by a Kohler authorized service center. Any replacement part or service that is equivalent in performance and durability may be used in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the engine manufacturer.

CUB CADET LLC
MANUFACTURER’S ONE YEAR LIMITED WARRANTY
(COMMERCIAL USE)
The limited warranty set forth below is given by CUB CADET
LLC (“CUB CADET”) with respect to new merchandise purchased and used in the United States, its possessions and
territories.
CUB CADET warrants this product against defects in material and workmanship for a period of one (1) year for commercial users, commencing on the date of original purchase
and will, at its option, repair or replace, free of charge, any
part found to be defective in material or workmanship. This
limited warranty shall only apply if this product has been
operated and maintained in accordance with the Operator’s
Manual furnished with the product, and has not been subject
to misuse, abuse, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water or damage because of
other peril or natural disaster.
Batteries and belts are subject to separate terms as follows:
a. Batteries have a one-year prorated limited warranty with
100% replacement during the first three months. After three
months, the battery replacement credit is based on the
months remaining in the twelve (12) month period dating
back to the original date of sale. Any replacement battery will
be warranted only for the remainder of the original warranty
period.
b. All belts are covered by a one (1) year limited warranty
against defects in material and workmanship.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, THROUGH YOUR LOCAL
AUTHORIZED CUB CADET DEALER. To locate the dealer
in your area, please check for a listing at www.cubcadet.com,
or in the Yellow Pages or contact CUB CADET by calling 1877-CUB TOUGH (1-877-282-8684) or writing to P.O. Box
361131, Cleveland, Ohio 44136-0019.

This limited warranty does not provide coverage in
the following cases:
a. Routine maintenance items such as lubricants, filters,
blade sharpening and tune-ups, or adjustments such as
brake adjustments, clutch adjustments or deck adjustments;
and normal deterioration of the exterior finish due to use or
exposure.

b.
Normal wear parts or components, including blades,
blade adapters, grass bags, rider deck wheels, seats, snow
thrower skid shoes, shave plates and tires.
CUB CADET does not extend any warranty for products sold
or exported outside of the United States of America, its possessions and territories, except those sold through CUB
CADET’S authorized channels of export distribution.
No implied warranty, including any implied warranty of
merchantability or fitness for a particular purpose,
applies after the applicable period of express written
warranty above. No other express warranty or guaranty,
whether written or oral, except as mentioned above,
given by any person or entity, including the dealer, with
respect to any product shall bind CUB CADET. During
the period of the Warranty, the exclusive remedy is
repair or replacement of the product as set forth above.
(Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.)
The provisions as set forth in this Warranty provide the
sole and exclusive remedy arising from the sale. CUB
CADET shall not be liable for incidental or consequential
loss or damages including, without limitation, to any
claim for loss of profits, loss of savings or revenue, loss
of the use of the equipment or any associated equipment, facilities or service, downtime, the claims or costs
of third parties including customers, and injury to property, and further including expenses incurred for substitute or replacement lawn care services, for
transportation or for related expenses, or for rental
expenses to temporarily replace a warranted product.
(Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion
may not apply to you.)
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of the safety features of the product shall void this Warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the use or misuse or inability to use the product.
This limited warranty shall not extend to anyone other than
the original purchaser or original lessee.
How State Law Relates to this Warranty: This limited warranty gives you specific legal rights, and you may also have
other rights which vary from state to state.

CUB CADET LLC
MANUFACTURER’S LIMITED WARRANTY
(RESIDENTIAL USE)
The limited warranty set forth below is given by CUB CADET
LLC (“CUB CADET”) with respect to new merchandise purchased and used in the United States, its possessions and
territories.
CUB CADET warrants this product against defects in material
and workmanship for a period of two (2) years for residential
users, (one (1) year for commercial users), commencing on
the date of original purchase and will, at its option, repair or
replace, free of charge, any part found to be defective in
material or workmanship. This limited warranty shall only
apply if this product has been operated and maintained in
accordance with the Operator’s Manual furnished with the
product, and has not been subject to misuse, abuse, neglect,
accident, improper maintenance, alteration, vandalism, theft,
fire, water or damage because of other peril or natural disaster.
Batteries and belts are subject to separate terms as follows:
a. Batteries have a one-year prorated limited warranty with
100% replacement during the first three months. After three
months, the battery replacement credit is based on the
months remaining in the twelve (12) month period dating
back to the original date of sale. Any replacement battery will
be warranted only for the remainder of the original warranty
period.
b. All belts are covered by a one (1) year limited warranty
against defects in material and workmanship.

a.

Routine maintenance items such as lubricants, filters,
blade sharpening and tune-ups, or adjustments such as
brake adjustments, clutch adjustments or deck adjustments; and normal deterioration of the exterior finish due
to use or exposure.
b. CUB CADET does not extend any warranty for products
sold or exported outside of the United States of America,
its possessions and territories, except those sold through
CUB CADET’s authorized channels of export distribution.
c. Normal wear parts or components, including blades, blade
adapters, grass bags, rider deck wheels, seats, snow
thrower skid shoes, rubber auger spirals, shave plates
and tires.
No implied warranty, including any implied warranty of
merchantability or fitness for a particular purpose,
applies after the applicable period of express written
warranty above as to the parts as identified. No other
express warranty or guaranty, whether written or oral,
except as mentioned above, given by any person or
entity, including the dealer, with respect to any product
shall bind CUB CADET. During the period of the Warranty, the exclusive remedy is repair or replacement of
the product as set forth above. (Some states do not allow
limitations on how long an implied warranty lasts, so the
above limitation may not apply to you.)

3 Year Limited Warranty - PTO Clutch
CUB CADET warrants the power take off (“PTO”) clutch and
mounting hardware against defects in material and workmanship for a period of three (3) years for Series 1500 products
manufactured after August 1, 1997 for residential users, commencing on the date of original purchase or lease and CUB
CADET will, at its option, repair or replace, free of charge,
any PTO clutch or mounting hardware found to be defective in
material or workmanship provided this product has been
operated and maintained as set forth above.

The provisions as set forth in this Warranty provide the
sole and exclusive remedy arising from the sales. CUB
CADET shall not be liable for incidental or consequential
loss or damages including, without limitation, expenses
incurred for substitute or replacement lawn care services, for transportation or for related expenses, or for
rental expenses to temporarily replace a warranted product. (Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above exclusion
or limitation may not apply to you.)

5 Year/500 Hour Limited Warranty- Frame and
Front Axle

In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of the safety features of the product shall void this Warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the use or misuse or inability to use the product.

CUB CADET warrants the frame, and front cast iron pivot
axle on Series 1500 models against defects in material and
workmanship for a period of five (5) years or 500 hours,
whichever occurs first, for residential users, commencing on
the date of original purchase or lease and CUB CADET will,
at its option, repair or replace, free of charge, any part found
to be defective in material or workmanship provided this product has been operated and maintained as set forth above. In
addition to any other reason set forth herein, CUB CADET
may deny warranty coverage if the hour meter, or any part
thereof, is altered, modified, disconnected or otherwise tampered with.

This limited warranty shall not extend to anyone other than
the original purchaser or original lessee.

How State Law Relates to this Warranty: This
limited warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.

HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, THROUGH YOUR LOCAL
AUTHORIZED CUB CADET DEALER. To locate the dealer in
your area, please check for a listing at www.cubcadet.com or
in the Yellow Pages or contact CUB CADET by calling 1-877CUB TOUGH (1-877-282-8684) or writing to P.O. Box
361131, Cleveland, Ohio 44136-0019.

This limited warranty does not provide coverage in the
following cases:

36



---

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