Craftsman 917372780 User Manual LAWN MOWER Manuals And Guides L0806836

CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0806836 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides

User Manual: Craftsman 917372780 917372780 CRAFTSMAN LAWN MOWER - Manuals and Guides View the owners manual for your CRAFTSMAN LAWN MOWER #917372780. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman LAWN MOWER Manual

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S_ A/ S
®

MODEL NUMBER 917.3727_

o Assembly
oOperation
o Customer

Respensibilities

e Service
o Adjustments
Repair Parts
Caution:
Read and Follow
all Safety Rules
and Instructions
Before Operating
This Equipment

OWNER'S

MANUAL

SAFETY RULES
PLUG TO PREVENT ACCIDENTAL STARTING WREN SETTING UP, TRANSPORTING, ADJUSTING OR MAKING
CAUTION: ALWAYS DISCONNECT SPARK PLUGWIRE AND PLACE WIRE WHERE IT CANNOT CONTACT SPARK

REPA,RS
INPOF{TANT
SAFETY
STANDARDS
.EOU,RE.OPERATOR
PRESENCE
CONTROLS
TO
M,N,M,ZE
TNE
R,SK
OP,NJURV.
YOOR
UN,T
,SEOU,PP
WiT.
D
SUCH CONTROLS. DO NOT ATTEMPT TO DEFEAT THE FUNCTION OF THE OPERATOR PRESENCE CONTROLS UNDER ANY CIRCUMSTANCES,,

TRAINING:
o

Read this operator's manual carefully Become familiar with
the controls and know how to operate your mower properly
Learn how to quickly stop mower

Always stop the engine whenever you leave or are not using
your mower, or before crossing driveways, walks, roads, and
any gravel-covered areas=

Do not allow children to use your mower_ Never allow adults
to use mower without proper instructions

Never direct discharge of material toward bystanders nor
allow anyone near the mower while you are operating it

Keep the area of operation clear of all persons,
small children and pets

Before cleaning, inspecting, or repairing your mower, stop
the engine and make absolutely sure the blade and all
moving parts have stopped Then disconnect the spark plug
wire and keep it away from the spark plug to prevent
accidental starting.

Use mower only as the manufacturer
scribed in this manual

especially

intended and as de-

Do not operate mower if it has been dropped or damaged in
any manner
Always have damage repaired before using
your mower.

Do not continue to run your mower if you hit a foreign objecL
Follow the procedure outlined above, then repair any damage before restarting and operating you mower.

Do not use accessory attachments that are not recommended
by the manufacturer.
Use of such attachments may be
hazardous

Do not change the governor settings or overspeed the
engine. Engine damage or personal injury may resulL

Do not operate your mower if it vibrates abnormally. Excessive vibration is an indication of damage; stop the engine,
safe ly check for the cause of vibration and repair as r_quired_

Be aware that the mower blade turns when the engine is
running.

Do not run the engine indoors
ous

PREPARATION:
°

Always thoroughly ctleck the area to be mowed and clear it of
all stones, sticks, wires, bones, and other foreign objects
These objects will be ttlrown by the blade and can cause
severe injury

Always wear safety glasses or eye shields when starting and
while using your mower

Never cut grass by pulling the mower towards you. Mow
across the face of slopes, never up and down or you might
lose your footing
Do not mow excessively steep slopes.
Use caution when operating the mower on uneven terrain or
when changing directions - maintain good footing.
Never operate your mower without proper guards, plates,
grass catcher or other safety devices in place.

Dress properly
Do not operate mower when barefoot or
wearing open sandals
Wear only solid shoes with good
traction when mowing

MAINTENANCE

Check fuel tank before starting engine. Do not fill gas tank
indoors, when the engine is running or when the engine is hoL
Allow the engine to cool for several minutes before filling the
gas tank Clean off any spilled gasoline before starting tbe
engine.

Exhaust fumes are danger-

AND STORAGE:

Check the blade and the engine mounting bolts often to be
sure they are tightened properly
Cbeck all bolts, nuts and screws at frequent intervals for
proper tigfrtness to be sure mower is in safe working condition

Always make wheel height adjustments before starting your
mower. Never attempt to do this while the engine is running

Keep all safety devices in place and working

Mow only in daylight or good artificial lighL

To reduce fire hazard, keep the engine free of grass, leaves
or excessive grease and oil.
Check grass catcher often for deterioration and wear and
replace worn bags. Use only replacement bags that are
recommended by and comply with specifications of the
manufacturer of your mower

OPERATION:
Keep your eyes and mind on your mower and the area being
cut Do not let other interests distract you
Do not mow wet or slippery grass. Never run while operating
your mower Always be sure of your footing - keep a firm hold
on the handles and walk.

'
°
°

Do not put hands or feet near or under rotating parts. Keep
clear of the discharge opening at all times.

Always keep a sharp blade on your mower.
Allow engine to cool before storing in any enclosure.
Never store mower with fuel in the tank inside a building
where fumes may reach an open flame or an ignition source
such as a hot water heater, space heater, clothes dryer, etc.

IT
MEANS
ATTENTIONt!t
BECOME
ALERT!!!
YOUR SAFETY
INVOLVED.
LOOK
FOR- THIS
SYMBOL 'TO
POINT OUT
IMPORTANT
SAFETY ISPRECAUTIONS.

PRODUCT

CONGRATULATIONS
on your purchase of a Sears Lawn
Mower. It has been designed, engineered and manufactured to give you the best possible dependability and
performance.

SPECaRCATIONS

HORSEPOWER:
DISPLACEMENT:

&0
,

11.5 CU, IN_

Should you experience any problem you cannot easily
remedy, please contact your nearest Sears Authorized
Service CentedDepartmenL
We have competent, welltrained technicians and the proper tools to service or repair
this lawn mower..

GASOLINE CAPACITY
AND TYPE:

1.5 QUARTS
UNLEADED REGULAR

OIL TYPE (API-SG):

SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)

Please read and retain this manual The instructions will
enable you to assemble and maintain your lawn mower
properly. Always observe the "SAFETY RULES'L

OIL CAPACITY:

MODEL
NUMBER

917,372780

20 OZS,

SPARK PLUG:
3AP: .030")

CHAMPION RJ19-LM
STD361458

VALVE CLEARANCE:

INTAKE:
_008"
EXHAUST: _008"

SERIAL
NUMBER

SOLID STATE IGNITION
AIR GAP:

.0125 IN

DATE OF PURCHASE

BLADE BOLT TORQUE:

35-40 FT LBS

THE MODELAND SERIAL NUMBERSWlLL BE FOUND
ON A DECAL ATTACHED TO THE REAR OF THE
LAWN MOWER HOUSING
YOUSHOULDRECORDBOTHSERIALNUMBERAND
DATE OF PURCHASEAND
KEEPIN A SAFE PLACE
FOR FUTURE REFERENCE.

MAINTENANCE

AGREEMENT

A Sears Maintenance Agreement is available on this producL Contact your nearest Sears sto_ for details.

CUSTOMER

RESPONSIBILITIES

Read and observe the safety rules,,

•

Follow a regular schedule in maintaining, caring for and using your lawn mower°

Follow the instructions under "Customer Responsibilities"

LIMDTED ONE YEAR WARRANTY

and "Storage" sections of this owner's manual.

ON CRAFTSMAN

POWER MOWER

For one year from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated, and tuned up
according to the operating and maintenance instructions in the owner's manual, Sears will repair free of charge any
defect in material or workmanship.
If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty applies for only 90 days from
the date of purchase.
This Warranty does not cover:
o

Expendable items wHch become worn during normal use, such as rotary mower blades, blade adapters, belts,
air cleaners and spark plug.

•

Repairs necessary because of operator abuse or negligence, including bent crankshafts and the failure to maintain
the equipment according to the instructions contained in the owner's manual
WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN POWER MOWER TO THE NEAREST
SEARS SERVICE CENTER/DEPARTMENT
IN THE UNITED STATES. THIS WARRANTY APPLIES ONLY WHILE
THIS PRODUCT IS IN USE IN THE UNITED STATES
This Warranty gives you specific legal rights, and you may also have other rights which vary from state to state°
SEARS, ROEBUCK AND CO., D/817 WA, HOFFMAN ESTATES, ILLINOIS

60179

TABLE OF CONTENTS
SAFETY RULES ............................................................
2
PRODUCT SPECIFICATIONS ....................................... 3
CUSTOMER RESPONSIBILITIES
..................... 3, 10-12
WARRANTY ...................................................................
3
ASSEMBLY ...................................................................
6
OPERATION ..................................................................
8

MAINTENANCE SCHEDU LE ...................................... 10
SERVICE AND ADJUSTMENTS ................................. 13
STORAGE ....................................................................
15
TROUBLESHOOTING .................................................
23
REPAIR PARTS - LAWN MOWER ........................ 16-19
REPAIR PARTS - ENGINE ..................................... 20-22
PARTS ORDERING/SERVICE ................ BACK COVER

INDEX
A
Accessories ....................................... 5
Adjustments:
Carburetor .............................. 14
Drive Belt ................................. 13
Engine Speed .......................... 14
Handle Height .......................... 14
Height of Cut ............................... 9
Air Filter:
Replacement ........................... 12
Service .................................... 12
Assembly ........................................

Engine:
Air Filter ..................................
Oil Change ..............................
Oil Level ..................................
Oil Type ..................................
Starting .....................................
Stopping ...................................
Storage ..................................

12
12
12
12
9
9
15

Repair Parts:
Engine ...............................
Lawn Mower ....................

C
Controls:
Engine Zone Control ................. 8
Engine Speed Control ............... 7
Operator Presence
Control Bar ............................... 7
Customer Responsibilities ... 3, 10-12
Air Filter ................................... 12
Blade Care/Replacement
....... 11
Drive Wheels .......................... 11
Engine .................................... 12
Lubrication .............................. 12
Spark Plug .............................. 12
Cutting Levels .................................. 9

Options:
Accessories ..............................

Blade:
Sharpening ............................. 11
Replacement ............................ 11

Operation:
Drive Control ............................. 8
Engine Control ........................... 8
Grass Catcher ......................... 8
Mower ............................................8
Operator Presence
Control Bar ................................ 8

Responsibilities,

H
Handle Adjustment:
Assembly ................................... 6
Cutting Height ..................................
9
L
Lubrication:
Engine ...........................................
12
Lawn Mower ........................... 10
M
Maintenance Agreement ................. 3
Maintenance Schedule .................. 10
Mowing Tips .....................................

20-22
16-19

Customer _3, 10-12
S

Safety Rules ....................................

Service and Adjustments ..............
Carburetor' ..............................
Drive Belt .................................
Engine Speed .........................
Handle ....................................

13
14
13
14
14

Spark Plug .....................................

Specifications ...............................

Speed Control:
Engine ....................................... 8
Starting the Engine ........................... 9
Stopping the Engine ........................ 9

Storage .........................................

Oil:
Engine ....................................
Storage ...................................

12
15

T
Trouble Shooting Chart .................23
W
Warranty .............................................. 3

LAWN

ACCE$$OR

These accessories were available when this lawn mower was produced, They are also available at most Sears retail outlets
and service centers, Most Sears stores can also order repair parts for you. when you provide the model number of your lawn
mower, Some of these accessories may not apply to your lawn mower.

ENGINE
SPARK PLUG

MUFFLER

AIR FILTER

ENGINE OIL

GAS CAN

If lawn mower is an electric start

CHARGER

STABILIZER

BATTERY

LAWN MOWER PERFORMANCE
DUST SHIELD

CLIPPING DEFLECTOR

REAR BAG
OPTnONAL

L
SIDE DISCHARGE

FABRIC BAG

REPLACEMENT
BAG FOR REAR
DISCHARGE
LAWN MOWERS

CATCHER

OPTIONAL
CATCHER FOR
SiDE DISCHARGE
LAWN MOWER

MULCHER KiT
FOR SiDE
AND REAR
DISCHARGE
LAWN MOWERS

LAWN MOWER MAINTENANCE
BELT

BLADE

BLADE
ADAPTER

WHEELS

LAWN MOWER
COVER

ASSEMBLY
Read these instructions and this manual in its entirety
before you attempt to assemble or operate your new lawn
mower_ Your new lawn mower has been assembled at the
factory with the exception of those parts left unassembled
for shipping purposes
All parts such as nuts, washers,
bolts, etc, necessary to complete the assembly have been
placed in the parts bag
To ensure safe and proper
operation of your lawn mower, all parts and hardware you
assemble must be tightened securely. Use the correct
tools as necessary to ensure proper tightness.

TO REMOVE
CARTON

LAWN

MOWER

LIFT UP

MOWING POSITION

Remove loose parts included with mower.

Cut down two end corners of carton and lay end panel
down flat

UPPER HANDLE

FROM

OPERATOR PRESENCE
CONTROL BAR

LOWER HANDLE
FIG. 1

Remove all packing materials except padding between
upper and lower handle and padding holding operator
presence control bar to upper handle=
Roll lawn mower out of carton and check carton
thorougly for additional loose parts.

HOWTO

SET UPYOUR

TO UNFOLD

HANDLE

CATCHER FRAME

LAWN MOWER

(See Fig. 1)

IMPORTANT:
UNFOLD HANDLE CAREFULLY SO AS
NOT TO PINCH OR DAMAGE CONTROL CABLES
Raise handles until lower handle section locks into
place in mowing position.
FRAME OPENING

Raise upper handle section into place on lower handle,
remove protective padding and tighten both handle
knobs
°

FIG. 2

Remove handle padding holding operator presence
control bar to upper handle

HINGE
BRACKET

Your lawn mower handle can be adjusted for your
mowing comfort See "TO ADJUST HANDLE" in the
Service and Adjustment section of this manual
TO ASSEMBLE
AND ATTACH
GRASS

DOOR
GRASS
CATCHER
FRAME

CATCHER
(See Figs. 2 & 3)
Put grass catcher frame into grass bag with stiff part of
bag on the bottom.
Slip vinyl bindings over frame.
NOTE: If vinyl bindings are too stiff, hold them in warm
water for a few minutes If bag gets wet, let it dry before
using.
•

FORMEDUPTABS

Lift the rear door on the lawn mower housing and place
the grass catcher frame onto the formed up tabs on the
rear door hinge bracket.

FIG. 3

The grass catcher is secured to the lawn mower
housing when the rear door is lowered onto the grass
catcher frame
CAUTION: Do not run your lawn mower
without clipping deflector or approved
grass catcher in place. Never attempt
to operate the lawn mower with the rear
door removed or propped open.

OPERATION
KNOWYOUR

LAWN MOWER

READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the
illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments
Save this
manual for future reference.
DRIVE CONTROL
OPERATOR PRESENCE
CONTROL BAR

HANDLE

STARTER

KNOB

ROPE
CABLE CLIP

GRASS CATCHER

ENGINE OIL CAP
WITH DIPSTICK

ENGINE SPEED

FILL CAP

PRIMER

AIR

WHEEL ADJUSTER
(ON EACH WHEEL)

DRIVE COVER

HOUSING

FIG. 4

MEETS CPSC SAFETY

REQUIREMENTS

Sears rotary walk-behind power lawn mowers conform to the safety standards of the American National Standards Institute
and the U_SoConsumer Product Safety Commission_ The blade turns when the engine is running.
OPERATOR PRESENCE CONTROL BAR - must be held
down to the handle to start the engine. Release to stop the
engine.
ENGINE SPEED CONTROL LEVER - located on the side
of the engine which allows you to select either fast ('_,) or
slow (-_') position.

PRIMER - pumps additional fuel from the carburetor to the
cylinder for use when starting a cold engine.
STARTER ROPE - used for starting the engine.
DRIVE CONTROL LEVER - used to engage power_prope!led forward motion of lawn mower.

OPERATmO
HOW TO USE YOUR LAWN MOWER
ENGINE
SPEED
CONTROL
(See Fig. 5)
The engine speed is controlled by a lever located on the
side of the engine. Fast (_) position is for starting engine,
normal cutting and better grass bagging_ Slow (4_.)
position is for light cutting, trimming and fuel economy.
ENGINE
ZONE CONTROL

ENGINE SPEED CONTROL
LEVER

CAUTION: Federal regulations require
an engine control to be installed on this
lawn mower in order to minimize the
risk of blade contact injury, Do not
under any circumstances attempt to
defeat the function of the operator control. The blade turns when the engine is
running.
•

rIMER

FIG. 5
OPERATOR PRESENCE
CONTROLBAR

Your lawn mower is equipped with an operator presence control bar which requires the operator to be
positioned behind the lawn mower handle to start and
operate the lawn mower.

DRIVE CONTROL
(See Fig. 6)
°
Self-propelling is controlled by holding the operator
presence control bar' down to the handle and pushing
the drive control lever forward until it clicks; then
release the lever.
Forward motion will stop when the operator presence
control bar' is released To stop forward motion without
stopping engine, reieasethe operatorpresence control
bar slightly until the drive control disengages. Hold
operator' presence control bar down to handle to continue mowing without self-propelling.
•

CONTROL

TO ENGAG_
DRIVE CONTROL

FIG. 6

To keep drive control engaged when turning corners,
push down on handle and lift front wheels off ground
while turning lawn mower

NOTE: When your lawn mower is new, the drive wheels
may rotate without the drive control engaged when the
wheels are lifted off the ground, This is normal and should
stop after' the first few hours of operation.
TO EMPTY
GRASS
CATCHER
(See Fig. 7)
•
To remove grass catcher, release operator presence
control bar to stop engine.
°

Lift up rear door and remove the grass catcher by the
handle,

Do not drag the bag when emptying; it will cause
unnecessary wear.

FIG. 7

DRIVE CONTROL

OPERATION
TO ADJUST

CUTTING

HEIGHT

(See

Fig. 8)

Raise wheels for low cut and lower wheels for high cuL

Wheels are set in low cut for shipping_ Adjust cutting
height to suit your requiraments_ Medium position is
best for most lawns.

LOWER WHEELS
FOR HIGH CUT

RAISE WHEELS
FOR LOW CUT

To change cutting height, squeeze adjuster lever toward wheel. Move wheel up or down to suit your
requirements
Be sure all wheels are in the same
setting.

BEFORE

STARTING

ENGINE

OIL (See Fig. 9)
Your lawn mower is shipped without oil in the engine.
Be sure mower is level and area around oil fill is clean.
o
•

o
°
=

FIG. 8

Remove engine oil cap w/dipstick and fill to the full line
on the dipstick
Use2Oozs.of oil. Fortypeandgradeofoiltouse,see
"ENGINE" in Customer Responsibilities section of this
manual

GASOLINE

FILLER CAP

Pour oil slowly. Do not over fill
Check oil level before each use.. Add oil if needed_ Fill
to full line on dipstick.
To read proper level, tighten engine oil cap each time.
Reinstall engine oil cap and tighten.
After the first two (2) hours of mowing, change the oil,
and every 25 hours thereafter_ You may need to
change the oil more often under dusty, dirty conditions.
ENGINE OIL CAP
W/DIPSTICK

GAS (See Fig. 9)
°

Fill gasoline tank with fresh, clean, unleaded gasoline_
DO NOT USE PREMIUM GASOLINE BE CAREFUL
NOT TO OVER FILL TANK.

FIG. 9

MOWING

WARNING:
Experience indicates that alcohol blended
fuels (called gasohol or using ethanol or methanol) can
attract moisture which leads to separation and formation of
acids during storage
Acidic gas can damage the fuel
system of an engine while in storage. To avoid engine
problems, the fuel system should be emptied before storage of 30 days or longer. Drain the fuel tank, start the
engine and let it run until fuel lines and carburetor are
empty. Use fresh fuel next season See Storage Instructions for additional information.
Never use engine or
carburetor cleaner products in fuel tank or permanent
damage may occur.

Undercertain conditions, such as very tall grass, it may
be necessary to raise the height of cut to reduce
pushing effort and to keep from overloading the engine
and leaving clumps of grass clippings.
For extremely heavy cutting, reduce the width of cut
and raise the rear of the lawn mower housing one (1)
wheel adjuster setting higher than the front for better
discharge of grass.
o

For better grass bagging and most cutting conditions,
the engine speed should be set in the fast (_,) position.

When using a rear discharge lawn mower in moist,
heavy grass, clumps of cut grass may not enter the
grass catcher. Reduce ground speed (pushing speed)
and/or run the lawn mower over the area a second time.

If a trail of clippings is left on the right side of a rear
discharge mower, mow in a clockwise direction with a
small overlap to collect the clippings on the next pass.

Pores in cloth grass catchers can become filled with dirt
and dust with use and catchers will collect less grass.
Toprevent this, regularly hose catcher off with water
andlet dry before using.

Keep top of engine around starter clear and clean of
grass clippings and chaff. This will help engine airflow
and extend engine life

TO START ENGINE
o

o
=

•

To start a cold engine push primer five (5) times before
trying to start. Use a firm push. This step is not usua y
necessary when starting an engine which has already
run for a few minutes.
Push engine speed control lever to fast (_,) position.
Hold operator presence control bar down to the handle
and pull starter handle quickly. DO NOT allow starter
rope to snap back.
To STOP engine, release operator presence control
bar.

NOTE: In cooler weather it may be necessary to repeat
priming steps. In warmerweather over priming maycause
flooding and engine will not start. If you do flood engine wait
a few minutes before attempting to start and DO NOT
repeat priming steps_

TRPS

CUSTOMER

BHLMTIES

AS
YOU
COMPLETE
........ REGU_R

SEBV!C E

,_'___

Check for' Loose Fasteners

6#'

Equipped) Grass Catcher
_11
ean/Inspect
Clean Lawn Mower

6_4

W_ Inspect/Clean Drive Wheels
(Self-Propelled Mowers)
R
Sharpen/Replace Mower Blade

_'_

_.,,_v-'/_,_"

6/
64'

6/3
6/

Clean Battery/Recharge
(Electric Start Mowers)

6/4

Check Engine Oil Level

Change Engine Oil

clean Air Filter

Inspect Muffler

DATES

Lubrication Chart

SERVICE

6/
6/
6/

6/2
6/

Replace Spark Plug

Replace Air Filter Paper Cartridge

6/
6/2

1 - Change more often when operating under a heavy load or in high ambient temperatures.
2 - Service more often when operating in dirty or dusty conditions
3 - Replace blades more often when mowing in sandy soil
4 - Charge 48 hours at end of season

GENERAL

LUBRiCATiON

RECOMMENDATIONS

CHART

(_) ENGINE OIL

The warranty on this lawn mower does not cover items that
have been subjected to operator abuse or negligence. To
receive full value from the warranty, operator must maintain
mower as instructed in this manual.

(_ WHEEL
ADJUSTER

Some adjustments will need to be made periodically to
properly maintain your uniL
Al! adjustments in the Service and Adjustments section of
this manual should be checked at least once each season.

Once a year, replace the spark plug, clean or replace
air _ter element and check blade for wear. A newspark
plug and clean/new air filter element assures proper
air-fuel mixture and helps your engine run better and
last longer.
Follow the maintenance schedule in this manual.

BEFORE
•
•

EACH

(_ BRAKE SPRING
BRACKET

USE

Check engine oil level
Check for loose fastener&

(_) HANDLE BRACKET
MOUNTING PIN

(_) REAR
DOOR HINGE

LUBRICATION
Keep unit well lubricated (See "LUBRICATION

(!)

CHART").

SPRAY LUBRICANT

(_) REFERTOCUSTOMERRESPONSIBILrrlES

ENGINE

SECTIGN=

IMPORTANT
DO NOT OIL OR GREASE
PLASTIC
WHEEL
BEARINGS.
VISCOUS
LUBRICANTS
WILL
ATTRACT
DUST AND DIRT THAT WILL SHORTEN THE
LIFE OF THE SELF LUBRICATING
BEARINGS
IF YOU
FEEL THEY MUST BE LUBRICATED,
USE ONLY A DRY,
POWDERED GRAPHITE TYPE LUBRICANT SPARINGLY.

CUSTOMER

RESPON$1BnLmE$
h

LAWN MOWER
Always observe safety rules when performing any maintenance.

7-, KE A"

TIRES
o

Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber.

Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
BLADE
CARE
For best results, mower blade must be kept sharp.
place bent or damaged blades

Re'

CRANK

TO REMOVE BLADE (See Fig_ 10)
°
•

Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with spark plug,
Turn lawn mower on its side Make sure air filter and
carburetor are up

LOCK WASHER

EDGE

BLADE ADAPTER

FIG. 10

Use a wood block between blade and mower housing
to prevent blade from turning when removing blade
bolt

DRIVE

Protect your hands with gloves and/or wrap blade with
heavy cloth.

Check front drive wheels each time before you mow to be
sure they move freely.

Remove blade bolt by turning counter-clockwise
a 9/16" box or opemend wrench.
Remove blade and attaching hardware
washer and hardened washer).

Use

The wheels not turning freely means trash, grass cuttings,
etc. are in the drive wheel area and must be cleaned to free
drive wheels_

(bolt, lock

If necessary to clean the drive wheels, check both front
wheels,

NOTE: Remove the blade adapter and check the key
inside hub of blade adapter, The key must be in good
condition to work properly Replace adapter if damaged.
TO REPLACE BLADE (See Fig, 10)
Position the blade adapter on the engine crankshafL
Be sure key in adapter and crankshaft keyway are
aligned.
°
Position blade on the blade adapter aligning the two (2)
holes in the blade with the raised lugs on the adapter.
Be sure the trailing edge of blade (opposite sharp
edge) is up toward the engine.
°
Installthe blade bolt with the lock washer and hardened
washer into blade adapter and crankshaft
•
Use block of wood between blade and lawn mower
housing and tighten the blade bolt, turning clockwise.
°
The recommended tightening torque is 35-40 fL Ibs.
IMPORTANT: BLADE BOLT IS GRADE 8 HEAT TREATED_

Remove hubcaps, hairpin cotters and washers

Remove wheels from wheel adjusters.

•

Remove any trash or grass cuttings from inside the
dust cover, pinion and/or drive wheel gear teeth_

•

Put wheels back in place.

•

If after cleaning, the drive wheels do not turn freely,
contact your nearest authorized service center
GRASS
CATCHER

NOTE: We do not recommend sharpening blade - but if
you do, be sure the blade is balanced.
TO SHARPEN BLADE
Care should be taken to keep the blade balanced, An
unbalanced blade will cause eventual damage to lawn
mower or engine,
•
The blade can be sharpened with a file or on a grinding
wheel Do not attempt to sharpen while on the mower.
.
To check blade balance, drive a nail into a beam or
wall, Leave about one inch of the straight nail exposed Place center hole of blade over the head of the
nail
If blade is balanced, it should remain in a
horizontal position. If either end of the blade moves
downward, sharpen the heavy end until the blade is
balanced

WHEELS

The grass catcher may be hosed with water, but must
be dry when used,.

•

Check your grass catcher often for damage or deterioration, Through normal use it will wear, If catcher
needs replacing, replace only with a manufacturer
approved replacement catcher. Give the lawn mower
model number when ordering,

CUSTOM

RESPONSmBILBT E$

ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SG
Select the oil's SAE viscosity grade
according to your expected operating temperature.
SAE VISCOSITY

GRADES

_AINER

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.)
improve starting in cold weather, these multi-viscosity otis
will result in increased oil consumption when used above
32°F. Check your engine oil level more frequently to avoid
possible engine damage from running low on oil.
Change the oil after the first two hours of operation and
every 25 hours thereafter or at least once a year if the lawn
mower is not used for 25 hours in one year.
Check the crankcase oil level before starting the engine
and after each five (5) hours of continuous use. Tighten oil
plug securely each time you check the oil level

FIG. 11
COLLAR

COUNTERCLOCKWISE
TO REMOVE

SLOT

TO CHANGE ENGINE OIL (See Fig. 11)
NOTE: Before tipping lawn mower to drain oil, drain fuel
tank by running engine until fuel tank is empty.
o
Remove engine oil cap; lay aside on a clear] surface.
°
Tip lawn mower on its side and drain oil into a suitable
container Rock lawn mower back and forth to remove
any oil trapped inside of engine.
= Wipe off any spilled oil on lawn mower arrd on side of
engine
•
Fill engine with oi!. Fill only to the "FULL" line on the
dipstick DO NOT over fill
=
Replace engine oil cap_
=
Reconnect spark plug wire to spark plug.
AIR FILTER

AIR FILTER
AIR FILTER COVER

TURN CLOCKWISE
TO TIGHTEN

FIG. 12

CLEANING
IMPORTANT."
FOR BEST PERFORMANCE,
KEEP
MOWER HOUSING FREE OF BUILT-UP GRASS AND
TRASH. CLEAN THE UNDERSIDE OF YOUR MOWER
AFTER EACH USE.

from spark plug and place wire where it
cannot come in contact with the spark
AUTION: Disconnectsparkplugwire
plug.

Your engine will not run properly and may be damaged by
using a dirty air filter.

Replace the air filter every year, more often if you mow in
very dusty, dirty corrditions. Do not wash air filter.

•

'Turn lawn mower on its side. Make sure air filter and
carburetor are up_ Clean the underside of your lawn
mower by scraping to remove build-up of grass and
trash_

Clean engine often to keep trash from accumulating. A
clogged engine runs hotter and shortens engine life,

Keep finished surfaces and wheels free of all gasoline,
oil,etc.

We do not recommend using a garden hose to clean
lawn mower unless the electrical system, muffler, air
filter and carburetor are covered to keep water out.
Water in engine can result in shortened engine life.

TO CHANGE AIR FILTER (See Fig. 12)
o Remove the air filter by turning counterclockwise to the
stop and pull away frem collar_
°
Remove filter from inside of cover.
•
Clean the inside of the cover and the collar to remove
any dirt accumulation_
o Insert new filter into cover.
Put air filter cover and filter into collar aligning the tab
with the slot
Push in on cover and turn clockwise to tighten.
MUFFLER
Inspect and replace corroded muffler as it could create a
fire hazard and/or damage.
SPARK
PLUG
Change your spark plug each year to make your engine
start easier and run better. Set spark plug gap at .030 inch.

CLEAN

UNDER

DRIVE

COVER

Clean under drive cover at least twice a season. Scrape
underside of cover with putty knife or similar tool to remove
any build-up of trash or grass on underside of drive cover.

SERVICE AND ADJUSTMENTS
CAUTION:

BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

"
,,

Release control bar.
Make sure the blade and all moving

Disconnect

parts have completely stopped.

spark plug wire from spark plug and place whore it cannot come in contact with plu_

LAWN MOWER
TO ADJUST

CUTTING

UPPER
ADJUSTMENT
HOLE

HEIGHT

DRIVE PULLEY

See "TO ADJUST CUTTING HEIGHT" in the Operation
section of this manual
REAR

DEFLECTOR

CLUTCH
PULLEY

The rear deflector, attached between the rear wheels of
your mower, is provided to minimize the possibility that
objects will be thrown out of the rear of the mower into the
operator mowing position If the deflector becomes dam..
aged, it should be replaced.
TO REIVIOVE/REPLACE
DRIVE BELT

LOWER
ORIGINAL AND
NEW BELT
POSITION

(See Figs. 13 & 14)
•
Remove drive cover by removing screw at rear of

DRIVE SHAFT

coverr

•

Remove belt from drive pulley.

Remove hubcaps, retainer springs and washers from
both drive wheels. Remove wheels and washers from
wheel adjusters.

At left drive wheel only, remove E-ring, pinion, roll pin,
felt washer and dust cover.

Remove retainer clip from drive shaft on left side of
driven pulley

While holding pulley slide drive shaft to the right until
belt can be removed from opening in housing,
Pull belt free from idler pulley and take out of clutch
frame.

=
°

DRIVEN
PULLEY

FIG. 13
DUST COVER

Reverse procedure to install new belt.

NOTE: When re-assembling pinion, be sure that the felt
washer is in place behind the roll pin that the roll pin is
seated in the slots on the bearing and in the back of the
pinion.

"_X
WASHER

DRIVE BELT ADJUSTMENT

FIG. 14

Be sure to keep belt

After prolonged use and drive belt has worn, if the
clutch lever has reached the top of the slot in the clutch
frame and the belt is still loose, move adjustable idler
pulley to upper hole in clutch frame

NOTE: When installing a new belt, adjustable idler pulley
must be returned to lower hole (original position) in clutch
frame.

PINION
E-RING

(See Fig. 14)

A misadjusted belt will wear faster
properly adjusted.
o

RETAINER
CLIP

SERVICE AND ADJUSTMENTS
TO ADJUST
HANDLE
(See Figs. 15 thru 17)
Your lawn mower handle can be raised or lowered for your
mowing comfort, Four (4) positions are available: high,
medium high, medium low and low_ Handles are shipped
mounted in the medium low posit[on_
•

To change from medium low to medium high position,
the upper and lower handle sections will have to be
turned over (See Fig,. 15B).

Remove the controls and operator presence control
bar from the upper handle.

SHIPPING

POSITION
MEDIUM LOW

MEDIUM HIGH

Remove the starter rope guide from the lower handle.
°

•

Remove hairpin cotters.
Disconnect the lower handle from the handle brackets
(See Fig. 17).
Turn the handle over and reassemble the hairpin
cotters that have been removed.

•

Reassemble the starter rope guide.

Reassemble the controls and the operator presence
control bar to the upper handle

FIG. 15A

FIG. 15B

LOW

CAUTION: The operator presence control bar must pivot freely to permit blade
brake engagement when control bar is
released. Do not overtighten the fasteners holding the controls to the upper handle,

\
\

To change from medium low to high position only the
upper' handle section will have to be turned over (See
Fig. 16A).

To change from medium low to low position, only the
lower handle section will have to be turned over (See
Fig. 16B),.

FIG. 16A

FIG. 16B

ENGINE
ENGINE

SPEED
LOWER HANDLE

The engine speed has been factory set. Do not attempt to
irrcrease engine speed as it may result in personal injury.
If you believe the engine is running too fast ortoo slow, take
your lawn mower to an authorized service center/department for repair and adjustmenL
CARBURETOR

SQUEEZE
TO REMOVE

Your carburetor has a non-adjustable fixed main jet for
mixture corrtrol. If your engine does not operate properly
due to suspected carburetor problems, take your lawn
mower to an authorized service center/departrnent for
repair' and adjustmenL
HAIRPIN CLIP
HANDLE

FIG. 17

BRACKET

Immediately prepare your lawn mower for storage at the
end of the season or if the unit will net be used for 30 days
or morn

FUEL SYSTEM
IMPORTANT:
IT IS IMPORTANT
TO PREVENT
GUM
DEPOSITS
FROM FORMING
IN ESSENTIAL
FUEL
SYSTEM PARTS SUCH AS CARBURETOR,
FUEL FILTER,
FUEL HOSE, OR TANK DURING
STORAGE.
ALSO,
EXPERIENCE
INDICATES
THAT ALCOHOL
BLENDED
FUELS (CALLED
GASOHOL
OR USING ETHANOL
OR
METHANOL)
CAN ATTRACT
MOISTURE WHICH LEADS
TO SEPARATION
AND FORMATION
OF ACIDS DURING
STORAGE.
ACIDIC
GAS CAN DAMAGE
THE FUEL
SYSTEM OF AN ENGINE WHILE IN STORAGE

LAWN MOWER
When lawn mower is to be stored for a period of time, clean
it thoroughly, remove all dirt, grease, leaves, etc. Store in
a clean, dry area.
o

Clean entire lawn mower (See "CLEANING" in the
Customer Responsibilities section of this manual).

Lubricate as shown in the Customer Responsibilities
section of this manual.

•

Be sure that all nuts, bolts, screws, and pins are
securelyfastened.
Inspect moving partsfordamage,
breakage and wear. Replace if necessary.

Start the engine and let it run until the fuel lines and
carburetor are empty

NOTE:
Fuel stabilizer is an acceptable alternative in
minimizing the formation of fuel gum deposits during storage Add stabilizer to gasoline in fuel tank or storage
container. Always follow the mix ratio found on stabilizer
container, Run engine at least 10 minutes after adding
stabilizer to a]low the stabilizer to reach the carburetor, Do
not drain the gas tank and carburetor if using fuel stabilizer

(See Fig. 18)

You can fold your lawn mower handle for storage.
o

Squeeze the bottom ends of the lower handle toward
each other until the lower handle clears the handle
bracket, then move handle forwar&

•

Loosen upper handle mounting bolts enough to allow
upper handle to be folded back.
IMPORTANT:
WHEN FOLDING THE HANDLE FOR
STORAGE OR TRANSPORTATION, BE SURE TO FOLD
THE HANDLE AS SHOWN OR YOU MAY DAMAGE THE
CONTROL CABLES
•

ENGINE OIL
Drain oil (with engine warm) and replace with clean engine
oil (See "ENGINE"
in the Customer Responsibilities
section of this manual),

When setting up your handle from the storage position,
the lower handle will automatically lock into the mowing
position,

SQUEEZE
FOLD

Never use engine or carburetor cleaner products in the
fuel tank or permanent damage may occur.
Use fresh fuel next season

Touch up all rusted or chipped paint surfaces; sand
lightly before painting.

HANDLE

Drain the fue! tank.

CYLINDER

HANDLE
BRACKET

Remove spark plug

Pour one ounce (29 ml) of oil through spark plug hole
into cylinder.

Pull starter handle slowly a few times to distribute oil
Replace with new spark plug

OTHER

HAIRPIN
COTTER

Do not store gasoline from one season to anotiler

Replace your gasoline can if your can starts to rusL
Rust and/or dirt in your gasoline will cause problems
If possible, store your unit indoors and cover it to give
protection from dust and dirt

OPERATOR
CONTROL

PRESENCE

UPPER HANDLE
FOLD FORWARD
FOR STORAGE

Cover your unit with a suitable protective cover that
does not retain moisture. Do not use plastic. Plastic
cannot breathe which allows condensation to form and
will cause your unit to rusL
IMPORTANT:
NEVER COVER MOWER WHILE ENGINE
AND EXHAUST AREAS ARE STILL WARM

_,_,

BAR
"_//

,.Z4

_,v/x/
__..=_

j%,,
/_

FOLD BACKWARD

CAUTION:

MOWING
POSITION

ing where fumes may reach an open
with
flamegasoline
or spark. inthe
Allowtank
the inside
engine atobuildcool
before storing in any enclosure.

LOWER HANDLE

FIG. 18

Never store the lawn mower

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Craftsman 917372780 User Manual LAWN MOWER Manuals And Guides L0806836

CRAFTSMAN Walk Behind Lawnmower, Gas Manual L0806836 CRAFTSMAN Walk Behind Lawnmower, Gas Owner's Manual, CRAFTSMAN Walk Behind Lawnmower, Gas installation guides

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