Ryobi 18A C06 734 User Manual ELECTRIC MOWER Manuals And Guides 1108680L

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Operator's Manual

Electric Lawn Mower
13" Rear Bagger
Model C06

IMPORTANT:

READ SAFETY

RULES AND INSTRUCTIONS

CAREFULLY

meanssymbol
it is listed
This
on theby product's nameplate
UNDERWRITERS
LABORATORIES
INC.
MTD LLC P.O. BOX 361131 CLEVELAND,

OHIO 44136-0019
FORM NO. 769-00620B
(10/2003)

TABLEOFCONTENTS
Content

Page
3
6

Important Safe Operation Practices
Slope Gauge
Contents of Hardware Pack

Content
Making Adjustments
Maintaining Your Lawn Mower

Page
13
14

Assembling Your Lawn Mower
Know Your Lawn Mower

7
7
11

Off Season Storage
Trouble Shooting
Illustrated Parts List

15
16
18

Operating Your Lawn Mower

Warranty

FINDINGMODELNUMBER
This Operator's Manual is an important part of your new lawn mower. 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. A sample model plate is
also given below. You can locate the model plate by standing at the operating position and
looking down at the rear of the deck. This information will be necessary to use the
manufacturer's web site and/or help from the Customer Support Department or an authorized
service dealer.
r_E

SAFETY
AND

ANSI

REQUIREMENTS

B71 1-1998

18A-C06-034

Modo_N°=bo_ Sor,°,N=mbo_
/
..........

YOB|

Copy the model number here:

M.....
_,

www_oor.com

,J
.............
;J

CLEVELAND,

OH 4413

8oo-683-1

o06

Copy the serial number here:

CUSTOMER
SUPPORT
Please do NOTreturn theunit to the retailer from where it waspurchased,withoutfirst contactingCustomerSupport.
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, you can seek help from the experts. Choose from the options below:
Visit ryobioutdoor.com for many useful suggestions. Click on Customer Support button and
you will get the four options reproduced here. Click on the appropriate button and help is
immediately available.

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If you prefer to reach a Customer Support Representative, please call 1-800-683-1006.

M nual
En ine

The engine manufacturer is responsible for all engine-related issues with regards to
performance, power-rating, specifications, warranty and service. Please refer to the engine
manufacturer's Owner's/Operator's Manual, packed separately with your unit, for more
information.

SECTION1: IMPORTANT
SAFEOPERATION
PRACTICES
READ ALL INSTRUCTIONS!
WARNING:

This symbol points out important safety instructions, which if not followed, could endanger the per-

sonal 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.
When using electric tawnmowers, basic safety precautions should always be followed to reduce the risk of fire, electric
shock, and personal injury. These basic precautions include the following:

GENERAL
OPERATION
1.

Read, understand, and follow all instructions on the
machine and in the manual 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, stay
in the operator zone behind the handles and keep
children and bystanders at least 75 feet from the machine
while it is in operation. Stop motor 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 tripped over or
thrown by the blade. 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 walt or obstruction,
which may cause discharged material to ricochet back
toward the operator.
8. Always wear proper eye protection while operating or
performing an adjustment or repair to protect your eyes.
Thrown objects which ricochet can cause serious injury
to the eyes.
9. Always use a face or dust mask if operating in a dusty
environment.
10. Dress Properly - Do not wear loose clothing or jewelry.
They can be caught in moving parts. Use of rubber
gloves and footwear is recommended when working
outdoors.
11. Ground Fault Circuit Interrupter (GFCI) protection should

be provided on the circuit(s) or outlet(s) to be used for the
lawn mower. Receptacles are available having built-in
GFCI protection and may be used for this measure of
safety.
12. To prevent electric shock use only with a UL listed
extension cord set suitable for outdoor use, such as Type
SW-A, SOW-A, STW-A, STOW-A, SJW-A, SJOW-A,
SJTW-A, or SJTOW-A.
13. Extension Cord - Make sure your extension cord set is in
good condition, is heavy enough to carry the current your
mower witl draw, and is polarized (one blade of plug is
wider than the other). A 100' length of 14 AWG cord
should be used. An acceptable substitute is a 50' length
of 16 AWG cord. If a longer cord is needed, a 150' length
of 12 AWG cord may be used. A longer length or
undersized cord wilt cause a drop in line voltage resulting
in a loss of power and overheating.
14. To reduce the likelihood of disconnection of the lawn
mower from the extension cord set, be sure to use the
cord restraint provided as shown in the illustration below
as well as a modern, tightly fitting extension cord:

A iiiiilt
15. To reduce the risk of electric shock, this lawn mower has
a polarized plug (one blade is wider than the other) and
wilt require the use of a polarized extension cord. The
mower plug wilt only fit into the polarized extension cord
one way. If the plug does not fit fully into the extension
cord, reverse the plug. If the plug still does not fit, obtain a
correct polarized extension cord. A polarized extension
cord wilt require the use of a polarized wall outlet. This
plug wilt fit into the polarized outlet only one way. If the
plug does not fit fully into the walt outlet, reverse the plug.
If the plug still does not fit, contact a qualified electrician
to install the proper walt outlet. Do not change the
equipment plug, extension cord receptacle, or extension
cord plug in any way.

16. Home
circuit-Thismower
should
beoperated
ona 15
AMPcircuit.Ifyouexperience
difficulty
instarting
witha
standard
15AMPfuseorcircuit
breaker,
contact
your
nearest
authorized
service
facility.
Donotuseahigher
ratedfuseorbreaker
without
consulting
yourpower
company.
17. Donotabuse
thecordbypulling
themower
bythecord
oryanking
ittodisconnect
itfromthereceptacle.
Keep
cordfromheat,oil,andsharpedges.
18. Manyinjuries
occurasaresultofthemower
beingpulled
overthefootduring
afallcaused
byslipping
ortripping.
Never
operate
thismachine
inbarefeet,sandals,
slippery
orlightweight
(e.g.canvas)
shoes.
Donothold
ontothemowerifyouarefalling;release
thehandle
immediately.
19. Never
pullthemower
backtoward
youwhileyouare
walking.
Ifyoumustbackthemower
awayfromawallor
obstruction
firsttookdownandbehind
toavoidtripping
andthenfollowthesesteps:
•
Stepbackfromthemower
tofullyextend
yourarms.
•
Besureyouarewelt balanced with sure footing.
•
•
20.

21.
22.
23.

24.
25.
26.
27.
28.

29.

30.

Pull the mower back slowly, no more than half way
toward you.
Repeat these steps as needed.
Do not use lawn mower for any job except that for which it
is intended. Do not force the lawn mower- Cut grass at a
rate, for which the mower is designed, which will not
sacrifice the performance or safety of the machine.
Do not operate the mower while under the influence of
alcohol or drugs.
Stay Alert- Do not operate the mower when you are
tired. Watch what you are doing. Use common sense.
Do not put hands or feet near rotating parts or under the
cutting deck. Contact with the blade can amputate hands
and feet.
Never attempt to make a wheel or cutting height
adjustment while the motor is running.
Avoid dangerous environmentsNever operate the
mower in the rain or in wet or damp grass.
Mow only in daylight or in good artificial light. Walk, never
run.
Stop the blade when crossing gravel drives, walks or
roads.
If the equipment should start to vibrate abnormally, stop
the motor and check immediately for the cause. Vibration
is generally a warning of trouble.
Stop the motor and wait until the blade comes to a
complete stop before removing the grass catcher or
unclogging the chute. The cutting blade continues to
rotate for a few seconds after the motor is shut off. Never
place any part of the body in the blade area until you are
sure the blade has stopped rotating.
Never operate mower without proper trail shield,
discharge cover, grass catcher, motor/blade control or
other safety protective devices in place and working.
Never operate mower with damaged safety devices.
Failure to do so can result in personal injury.

31. Only use parts and accessories made for this machine by
the manufacturer. Failure to do so can result in personal
injury.
32. If situations occur which are not covered in this manual,
use care and good judgment. Contact your dealer or
telephone 1- 800-683-1006
for assistance and the
name of your nearest servicing dealer.

SlopeOperation
Slopes are a major factor related to slip and fall accidents
which can result in severe injury. Operation on slopes
requires extra caution. If you feel uneasy on a slope, 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,
do not mow it.
Do:
1.

Mow across the face of slopes; never up and down.
Exercise extreme caution when changing direction on
slopes.
Watch for holes, ruts, rocks, hidden objects, or bumps
which can cause you to slip or trip. Tall grass can hide
obstacles. Remove all objects such as rocks, tree limbs,
etc., which could be tripped over or thrown by the blade.
Always be sure of your footing. A slip and fall can cause
serious personal injury. If you feel you are losing your
balance, release the motor/blade control handle
immediately, and the blade will stop rotating within 3
seconds.

DoNot:
1.
2.
3.

Do not mow near drop-offs, ditches or embankments,
you could lose your footing or balance.
Do not mow slopes greater than 15 degrees as shown on
the slope gauge.
Do not mow on wet grass. Unstable footing could cause
slipping.

Children
1.

•

•
•
•

Tragic accidents can occur if the operator is not alert to
the presence of children. Children are often attracted to
the mower and the mowing activity. They do not
understand the dangers. Never assume that children will
remain where you last saw them.
Keep children out of the mowing area and under the
watchful care of a responsible adult other than the
operator.
Be alert and turn mower off if a child enters the area.
Before and while moving backwards, look behind and
down for small children.
Use extreme care when approaching blind corners,
doorways, shrubs, trees, or other objects that may
obscure your vision of a child who may run into the
mower.
Never allow children under 14 years old to operate a
power mower. 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.

Service
1.

3.
4.

5.
6.
7.

When servicing use only identical replacement parts
listed in this manual. "Use of parts which do not meet the
original equipment specifications may lead to improper
performance and compromise safety!"
Before cleaning, repairing, or inspecting, make certain
the blade and all moving parts have stopped. Disconnect
the power cord when not in use and to prevent
unintended starting.
Follow instructions for lubricating and changing
accessories.
Inspect lawn mower cord and extension cords
periodically and replace immediately, if damaged. Lawn
mower cord should be repaired by an authorized service
facility only.
Keep handles dry, clean and free from oil and grease.
To reduce a fire hazard, keep the motor free of grass,
leaves and debris build-up.
Check the blade and motor mounting bolts at frequent
intervals for proper tightness. Also, visually inspect blade
for damage (e.g., bent, cracked, and worn) Replace
blade with the original equipment manufacturer's (OEM)
blade only, listed in this manual.
Maintain your mower with care- Keep mower blade
sharp and clean for best and safest performance. Mower
blades are sharp and can cut, wrap the blade or wear
gloves and use extra caution when servicing them.
Keep all nuts, bolts, and screws tight to be sure the
equipment is in safe working condition.

10. Never tamper with safety devices. Check their proper
operation regularly.
11. After striking a foreign object, stop the motor and
disconnect the power cord. Thoroughly inspect the
mower for any damage. Repair the damage before
operating the mower.
12. Grass catcher components, discharge cover, and trail
shield 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 (OEM) parts only, listed in this manual.
13. When not in use, store lawn mower indoors in a dry area,
locked-up and/or out of the reach of children.

DoubleInsulatedLawn Mower
Double insulation is a concept in the safety of electric lawn
mowers, which eliminates the need for the usual three-wire
grounded power cord and grounded power supply system.
Wherever there is electric current in the mower, there are two
complete sets of insulation to protect the user. All exposed
metal parts are isolated from the internal metal motor
components with protecting insulation.

IMPORTANT: Servicing of a lawn mower with double
insulation requires extreme care and knowledge of the
system and should be performed only by a qualified
service technician. For repair service we suggest you
return the lawn mower to your nearest authorized
service dealer. Always use original factory replacement
parts when servicing.

SAVE THESE INSTRUCTIONS!
WARNING:
•

YOUR RESPONSIBILITY

Restrict the use of this power machine to persons
instructions
in this manual and on the machine.

who read, understand,

and follow the warnings

and

USE THIS PAGE AS A GUIDE TO DETERMINE

SLOPES

WHERE

YOU MAY NOT OPERATE

SAFELY.

I .11

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE
A POWER POLE

1.91

I_
I

" " " " ,,

NO,-,-

"
--a

" " .uI T_D L..

,,__
- -

A CORNER OF A BUILDING
OR A FENCE POST

.,. _,v_e_,_

.,,,

,, ,, _.,..'.b'_"
I.

15o
•,,.o_.Op_

=
....1

WARNING
Do not mow on inclines with a slope in excess of 15 degrees (a rise
could overturn and cause serious injury. If operating a walk-behind
your footing and you could slip, resulting in serious injury.
Operate RIDING mowers up and down slopes, never across the face
Operate WALK-BEHIND mowers across the face of slopes, never up

of approximately 2-1/2 feet every 10 feet). A riding mower
mower on such a slope, it is extremely difficult to maintain
of slopes.
and down slopes.

SECTION3: CONTENTSOFHARDWARE
PACK
Hardware pack may contain extra items which are not used on your unit. Part numbers are shown in parentheses.
A_

INSTALLING
THE
LOWER HANDLE

INSTALLING
THE
UPPER HANDLE

Cord Insulator
(731-2427)
Hex Bolt
(710-1764)

Self Tapping Screws
(710-1350)

QQ
Tooth Washers
(736-0698)

Handle
Bolt
(710-1718)

Handle Caps
(731-1805)

(736-0649)
Lock Washers
Wire Clips
(731-2454)

Flat Washers
(736-0697)

Hex Nuts
(712-0690)

Lower Handle Plugs
(720-0369)

SECTION4: ASSEMBLING
YOURLAWNMOWER
LoosePartsin Carton
•
•
•

Grass Catcher Assembly.
Owner's Manual (not shown).
Hardware Pack.

•
•

Upper and Lower Handle w/Guide Rod.
Wheel Assemblies (4)

ToolsRequired
•
•

Phillips head screwdriver.
Adjustable wrench, a wrench set or socket set.

AttachingWheels
The wheels for your mower will not require tools to
install. Notice that there are two large wheel assemblies
and two smaller wheel assemblies. The large wheels fit
on the rear and the small wheels are for the front of the
mower. To install the wheels:

Rest the mower on its side or place supporting
blocks under one side of the mower.
Refer to Figure 1 and insert the hubcap assembly
through the wheel and thread the complete
assembly into the desired height adjustment
position by hand.
NOTE: It is recommended to use the highest cutting
position initially to avoid scalping of the grass.
By putting fingers into the grooves in the hubcap
assembly, tighten firmly.
Repeat this step for all wheels, being certain that all
four wheels are in the same height position for an
even cut. Refer to Figure 1 for cutting height
positions.

Also,becertainthesmallerfrontwheelsandthelarger
rearwheelsaremountedcorrectly
tothefrontandrear
ofthemowerasshowninFigure1.

Once both lower handles are installed, insert the
lower handle plugs into the upper ends of the lower
handles as shown in Figure 2.
Lower Handle I
Plug
Lower

Rear Wheel

Hubcap Assembly
Front Wheel _IF-_
Hubcap Assembly "_"

Right Front View
Flat Washer

Cutting Height Positions
f

jTooth

low
_ _Washer

Medium
High

Self Tapping
Screw

Figure 1
Figure 2

AssemblingHandle
Installingthe LowerHandles(Hardware A)
•

•

Insert long end of the lower handle into the handle
base. Make certain the small hole in the end of the
handle is lined up with the hole in handle base.
Using one of the two longer self tapping screws
from the hardware pack, insert the screw through
the tooth washer, flat washer, and the handle cap
as shown in Figure 2.
Align the handle cap so it rests flush against the
handle base, and tighten the screw into the lower
handle using a phillips screwdriver.
Repeat this step for the remaining lower handle.

Installingthe UpperHandle(Hardware B)
•

Standing behind the lawnmower with the upper
handle, make certain the two holes that will hold the
blade / motor control are on the right hand side.
See Figure 3 for proper alignment of upper handle.

Blade /

Upper Handle \\

Cord Insulator

Hex
Hex Nut

Lock
Washer
Lower Handle

Figure 3
Align the holes in the lower handle with those of the
upper handle and insert the hex and handle bolts
through both holes as shown in Figure 3.

•
•

•
•
•

Ontheleftside,installthelockwasherandhexnut
andtightenfingertight.
Ontherightside,insertthehexboltintothehex
holeinthecordinsulator.Installthelockwasher
andthreadthehexnutontothehexbolt.Make
certainthatthecurvedportionofthecordinsulator
isrestingflushagainsttheupperhandle.
Tightenthehardware
firmlyusinganadjustable
wrenchor suitabletightening
tool.
RefertoFigure3forproperalignment
ofhardware
andhandles.
Routethepowercordthroughthecordinsulatoron
therighthandleandpressit intothemolded-in
cord
keeperontherighthandsideofthedeckasshown
inFigure4.

•

Install wire clips and route the power cord through
them as shown in Figure 5.

Upper Handle

Cord Insulator

Wire'Clips

Cord

Lower Handle

Upper Handle

Figure 5
Cord Insulator

Hex Bolt/
Lower Handle

InstallingGuideRodandCordRestraint
The guide rod and cord restraint need to be installed on
the upper handle of the lawn mower. To install, see
Figure 6 and continue:
Cord Restraint

Power Cord
Upper Handle

ight Rear View

_lolded-in
Guide Rod

Cord Keeper
Power
Cord _

Figure 4

Figure 6
•
•

•

Slide the cord restraint onto the guide rod through
the round hole as shown in Figure 6.
Standing behind the unit, working on the left portion
of the upper handle, insert the Z-end of the guide
rod into the hole on the outer part of the upper
handle.
With the left part of the guide rod inserted in the
upper handle, bring the other end of the guide rod
around the outside of the upper handle on the right
side, and insert the end into the hole on the inner
portion of the upper handle. Refer to Figure 6 for
proper mounting position.

Assembling
GrassCatcher
WARNING:

AttachingTheGrassCatcher
•

Never operate the mower without

the proper trail shield, discharge cover, grass
catcher, blade/motor control or other safety
protective devices in place and working. Never
operate the mower with damaged safety devices.
Failure to do so can result in personal injury.
•

Lift the rear discharge door on the back of the
mower. Refer to Figure 8.

Grass Bag Assembly

Insert the six clips on the underside of the bagger
cover into the corresponding attaching slots in the
grass bag. Refer to Figure 7.

Channels

Rear Discharge
Door
Grass Bag

Bagger Cover

__///

Attaching Slots ___;_
_t
_5::::__
Li"
__'__i;!
'__i

._:i,____i
_!.i

Figure 8
•

Place the channels of the grass bag assembly over
the lower portion of the lower handle as shown in
Figure 8.
•
Slide the assembly towards the mower until it rests
against the body of the mower.
•
Release the rear discharge door.
To remove the grass catcher, lift the rear discharge
door on the mower. Lift the grass catcher up and off of
the lower handles. Release the rear discharge door.

Figure 7
Press firmly in the on the top of the bagger cover in
the area of the attaching slots to ensure that the
clips are locked into place.

rearARNING:
discharge door
open,
unlessthis
themowerwith
complete the
Do not
operate
grass catcher is properly mounted on the mower.

SECTION5: KNOWYOURLAWNMOWER
Motor/Blade Control Assembly

Cord Restraint
Guide Rod

Lower Handle

Rear Discharge Door
Grass Catcher
Electric

O'O

Rear Trailing Shield

Figure 9

CircuitBreaker

Read this operator's manual and safety rules before
operating your lawn mower. Compare the illustration in
Figure 9 with your lawn mower to familiarize yourself
with the location of various parts and controls. Save this
manual for future reference.

WARNING:

The mower is equipped with a circuit breaker, located
on the motor/blade control. Refer to Figure 9. This
circuit breaker may trip when too much strain is placed
on the mower. See Making Adjustments Section.

The operation of any lawn mower

GuideRodandCordRestraint

can result in foreign objects being thrown into the
eyes, which can damage eyes severely. Always
wear safety glasses while operating the mower, or
while performing any adjustments or repairs.

The cord restraint is located on the back of the upper
handle attached to the guide rod. When used properly,
the cord restraint helps to protect the motor/blade
control assembly and also the extension cord powering
the unit.

M0t0r/BladeControlAssembly
The motor/blade control is located on the upper handle
of the mower. Refer to Figure 9. The motor/blade
control handle engages and disengages the motor and
blade.

GrassCatcher
The grass catcher assembly is designed to catch the
grass clippings that are cut from your lawn. Never mow
without the grass catcher in place on the machine.

assembly
is a safety
Never control
attempt to
WARNING:
The device.
motor/blade
bypass its operations.

ElectricMotor
The electric motor is attached to the cutting blade.
When engaged, the electric motor turns the cutting
blade and works to cut grass.

RearTrailingShield
The rear trailing shield, attached between the rear
wheels of your mower, is provided to minimize the
possibility of objects being thrown at the operator from
the rear of the mower.

SECTION6: OPERATING
YOURLAWNMOWER
CordConnection

Connectingto the ElectricPowerSource

ExtensionCordSelection

WARNING:

Listed below are the lengths of extension cord and
corresponding acceptable cord ratings.
•
50' Cord -- use 16 AWG
•
100' Cord -- use 14 AWG
•
150' Cord -- use 12 AWG
In all cases, the extension cord should be a UL listed
cord set suitable for outdoor use.

on a 15 AMP circuit. If you experience difficulty in
starting with a standard 15 AMP fuse or circuit
breaker, contact your nearest authorized service
facility. Do not use a higher rated fuse or breaker
without consulting your power company.

CordRestraint
Attach the extension cord (not provided with unit) to the
cord restraint as follows:

•

operated

Plug the extension cord into any convenient 110-120
volt 60 cycle A.C. outlet or receptacle for your source of
power. This outlet may be located either out-of-doors or
indoors. To avoid blowing fuses, pick an outlet that is
not overloaded. Your mower will operate satisfactorily
on a circuit that is fused for 15 amperes. Do not use
oversize fuses without consulting an electrician. If an
inside receptacle is used, the extension cord can be
taken out either through the doorway or a window.

IMPORTANT: Using any other length or rating of cord
will diminish the performance and possibly the life of the
electric motor, and may also cause breakers to trip or
fuses to blow in your home's fusebox.

•

This mower should be

Startingthe MotorandBlade

Form a small loop in the extension cord. Allow
enough excess cord to make the connection to the
motor/blade control (approximately 7 inches).
Slip the loop through the slot on the bottom of the
cord restraint, and up over the tab, to prevent
disconnection from the motor/blade control during
operation.
Keep the cord restraint as close to the motor/blade
control as possible. See Figure 10.

NOTE: For best results, raise the wheels to the highest
cutting position until it is determined which height is
best for your lawn. See Cutting Height Adjustment in
the Making Adjustments section.
Motor/Blade Control Lever
Engaged Position
(Blade Turning)

Locking Button

ord Restraint

Position
Blade Stopped)

Circuit Breake
Reset Button

xtension Cord

Handle

Figure 10
Plug

Connectingto theMotor/BladeControlAssembly
Connect the plug on the extension cord fully onto the
plug on the motor / blade control. The mower is
equipped with a polarized AC power plug (one blade of
the plug is wider than the other), which will fit into the
plug on the extension cord only one way. If unable to
make a full connection, try reversing the plug on the
extension cord. Should the plugs still fail to fit, contact
your service dealer for assistance. Do not defeat the
safety purpose of the polarized plug.

Figure 11
To engage the motor and blade, first be certain to follow
the previous steps for connecting a suitable extension
cord, then referring to Figure 11 :
•
•

•

Stand behind the unit and depress the locking
button.
While holding the locking button down, pull the
motor / blade control lever and hold it against the
upper handle.
Release the locking button.

StoppingtheMotorandBlade
WARNING:

T = Obstacles

The blade continues to rotate for a

few seconds after the motor is shut off. If the motor
does not come to a stop when the motor/blade
control handle is released, contact an authorized
service dealer.

To stop the motor and blade from spinning:
•
Release the motor/blade control lever from its

'
Outlet
(Start here)

position against the upper handle and the blade
and motor will quickly come to a stop.
NOTE: A high pitched noise may occur as the electric
motor decelerates and some sparking may occur also
at the same time. This is normal behavior when the

Figure 12
Do not allow the extension cord to wrap around
trees, shrubs or other obstacles. When picking up
the extension cord, wind the cord in a series of
equal loops on each side of your hand to prevent
snarling.
When cutting heavy grass, reduce walking speed to
allow more effective cut and proper collection of the
clippings. For a healthy lawn, always cut off onethird or less of the total length of the grass. The
average lawn should be approximately 1-1/2 to 2
inches during the cool season, and over 2 inches
during hot months. For a healthier and better
looking lawn, cut more often and after moderate
growth. The lawn should be cut in the fall season as
long as there is growth.

motor and blade is disengaged.

MowingYourLawn
NOTE: A sharp blade will greatly increase the
performance
of the lawn mower, especially
in
conditions of higher grass. Be sure to check the blade
and sharpen it at least once a year as outlined in the
Maintenance section.
•

•
•

Be sure that lawn is clear of stones, sticks, wires, or
other objects which could damage the lawn mower
or motor. Such objects could be accidentally thrown
by the mower in any direction and cause serious
personal injury to the operator and others.
To prevent electric shock, do not operate the
mower in damp or wet conditions.
Always start from the point closest to the power
source where the cord is connected. Never mow
around the lawn in circles; travel back and forth
across the lawn, starting from the point closest to
the outlet and then moving away from the outlet so
the cord lies in the cut portion of the lawn, out of the
way. See Figure 12.

WARNING:

If you strike a foreign object, stop

the motor, and unplug from the power supply
circuit. Thoroughly inspect the mower for any
damage, and repair the damage before restarting
and operating the mower. Excessive vibration of
the mower during operation is an indication of
damage. The unit should be promptly inspected
and repaired.

SECTION7: MAKINGADJUSTMENTS
NOTE: For rough or uneven lawns, move the wheels to
a position which will give a higher cutting height.

CuttingHeightAdjustment

WARNING:

Always stop the motor and
disconnect from the power source before cleaning,
lubricating or performing any repairs or
maintenance on the lawn mower.

Right Front View
Cutting Height Positions
Low

This mower has three cutting height positions as shown
in Figure 13. To adjust the cutting height:

Medium
High

•

Figure 13

Remove a wheel assembly and reinstall it in a
different position in order to achieve a higher or
lower position. Refer to the Assembly section also.

Repeat this procedure for all wheels, being certain
to mount them all in the same position at each
corner. Failing to do this will produce an uneven
cut.

Plug the mower back in, restart the mower, but be
sure to reduce the strain on the mower (i.e., mow at
a higher cutting height, reduce cutting speed, or
take a smaller width of cut).
If the circuit breaker does not reset, or if it trips
repeatedly under normal cutting conditions, unplug
the mower from the extension cord and unplug the
extension cord from the power source. Then check
to make certain your cord is the correct length and
rating as listed in the Operating YourLawn Mower
section. If the cord is correct and is also not
damaged, take the machine to an authorized
service dealer for repair.

ResettingtheCircuitBreaker
The mower is equipped with a circuit breaker, located
on the motor/blade control assembly as shown in
Figure 11. This circuit breaker may trip when too much
strain is placed on the mower. The circuit breaker may
have been tripped if the mower will not run.
•

If this occurs, unplug the mower, wait
approximately five minutes, then depress the reset
button. Refer to Figure 11.

SECTION8: MAINTAININGYOURLAWNMOWER
WARNING:

Installingthe Blade

Always stop the motor and
disconnect from the power source before cleaning,
lubricating or performing any repairs or
maintenance on the lawn mower.

WARNING:

Cutting BladeReplacement
WARN IN G: Alwaysprotecthands bywearing

Place the cutting blade, locking plate, and blade
bolt on the motor shaft and thread the blade bolt in

heavy gloves and/or wrapping cutting edges with
newspapers or other materials when performing
any blade maintenance. Be certain to disconnect
the power supply.

finger tight. Refer to Figure 14.
Mower Deck
Cutting Blade

Removingthe Blade
•
•

•

The blade hardware is not only

used to attach the blade assembly, but is also an
insulated safety device and should never be altered
in any way. If replacement is necessary, use
original equipment parts as shown in the parts list
on page 18.

Stop the motor and disconnect the power supply to
the mower. Turn the mower on its side.
Use a block of wood between the blade and the
mower deck to prevent the blade from turning when
removing the bolt.
Using a 15/16" wrench or socket, loosen the blade
bolt and remove the blade.

_____

Locking Plate
&_

Blade Bolt
Figure 14

NOTE: Make certain to replace the parts in the exact
order in which they were removed. When installing the
cutting blade, be sure it is installed with the curved ends
pointing towards the mower deck and not towards the
ground.
Torque the blade bolt down using a torque wrench
to assure the bolt is tightened properly. The
recommended torque for the blade bolt is 450-600
in. Ibs. To insure safe operation of your unit, all nuts
and bolts must be checked periodically for correct
tightness.

•

Sharpening the Blade
To sharpen the blade, first remove the blade as outlined
in the previous section. DO NOT attempt to sharpen the
blade while it is attached to the mower. The blade can

MowerDeck

be sharpened with a file or on a grinding wheel.
•

•

Reinstall the blade as described earlier in this
section making certain to torque the cutting blade to
specifications.

When sharpening the blade, follow the original
angle of grind as a guide. It is extremely important
that each cutting edge receives an equal amount of
grinding to prevent an unbalanced blade.
Test the blade by balancing it on a round shaft
screwdriver or a blade balancer as shown in Figure
15.

WARNING:
shock,
do not expose
To reduce
the mower
the risk
to water.
of electric

The underside of mower deck should be cleaned after
each use as grass clippings, leaves, dirt and other
debris will accumulate. This accumulation of grass
clippings, etc., is undesirable as it will promote rust and
corrosion.

1. Insert screw driver through hole

•

2. Balanced blade will be parallel to ground
Screw Driver
Blade
\

Remove any buildup of grass and leaves on or
around the motor cover (do not use water). Wipe
the mower clean with a dry cloth occasionally.
If debris is allowed to build up on the underside of
the unit, tilt the mower forward or on its side and
scrape it clean with a suitable tool.

Lubrication
Ground

At the beginning and end of each mowing season:

Figure 15
•

•

If the blade is not balanced, remove metal from the
heavy side until it balances evenly.

•

Lubricate the springs on the rear discharge door
with a light oil.
Remove the wheels and lubricate the surface of the
axle bolt and the inner surface of the wheel with
light oil.

cause excessiveAnvibration
WARNING:
unbalanced
whenblade
rotating
will at
high speeds. It may also cause damage to the
mower and could break, causing personal
injury.

SECTION9: OFF-SEASON
STORAGE
The following steps should be taken to prepare the lawn
mower for storage.
•
•
•
•
•

•

Make certain the power supply is disconnected.
Clean mower as instructed in previous section.
Inspect and replace/sharpen blade if required.
Refer to Cutting Blade section on page 14.
Lubricate mower following instructions on page 15.
Store mower in a dry, clean area. Do not store next
to corrosive materials, such as fertilizer and rock
salt.

•
•

Wipe extension cord to remove any foreign
substance such as oil or stains. Replace extension
cord if cut or damaged in any way.
Wind cord in a series of equal loops on each side of
your hand to prevent snarling.
Store mower indoors, in a cool, dry place, out of
reach of children. Do not cover lawn mower with a
solid plastic sheet. Any plastic covering traps
moisture around the mower which promote rust and
corrosion.

SECTION10: TROUBLE
SHOOTING
GUIDE
Trouble

Possible

Mower not starting.

Cord disconnected from the motor/
blade control.

Reconnect the cord keeping the cord restraint close
to the motor/blade control.

Motor/blade control switch defective.

Replace motor/blade control switch.

Extension cord not connected to a
source of power.

Connect the extension cord to a 110-120 volt 60
cycle A.C. receptacle.

Circuit breaker on the mower or in the
house receptacle tripped.

Reset the circuit breaker following instructions in
the Maintenance section of this manual.

Too much workload on the mower.

Raise the cutting height, reset the circuit breaker on
the mower, take a smaller width of cut, and walk
slowly.

Fuse blown; outlet overloaded.

Connect to an outlet that is fused for 15 amperes.
Reset the circuit breaker and start the mower again.

Lawn rough or uneven.

Move the wheels to a higher cutting height position.

Cutting height not set properly.

All wheels must be placed in the same cutting
height for the mower to cut evenly.

High grass or cutting height too tow.

Raise cutting height.

Rear of mower housing and blade
dragging in heavy grass.

Raise cutting height.

Bent motor shaft.

Stop the motor, disconnect the power source and
inspect for damage. Repair before restarting. If
vibration persists, take it to a service dealer.

Blade is unbalanced.

Balance the blade by grinding each cutting edge
equally.

Extension cord is not properly attached
to the cord restraint.

Reconnect the extension cord to the cord restraint
on the guide rod.

Old, worn, or loose extension cord.

Replace extension cord.

Circuit breaker on the mower
tripping.

Mower cutting grass
unevenly.

Hard to push.

Mower vibrating at higher
speed.

Cord disconnects frequently.

Corrective

Cause(s)

Action

NOTES

SECTION11: PARTSLISTFORMODELC06

11-

19
14

38
25
22

_'__

"_:_

ModelC06
REF.
NO.

PART NO.

DESCRIPTION

749-1042A

Upper Handle

749-1312

Lower Handle

720-0369

Handle Plug

710-1718

Handle Bolt LH

736-0649

Lock Washer

712-0690

Hex Nut

710-1757

Screw

725-04075

Motor / Blade Control Switch

731-2427

Cord Insulator

731-2421-0638

Mower Housing (Incl. Ref# 39-41 )

731-2088A-0637

Protection Cover

731-2224A

Motor Cover

724-0310

Electric Motor

710-1756

Screw

631-0148

Blade Hub Assembly

742-0804

Cutting Blade

731-2452

Lock Washer

624-0081

Blade Screw

731-2463-0637

Rear Discharge Door

747-1072

Rod

732-0912

Spring

736-0697

Washer

736-0698

Lock Washer

710-1350

Screw

731-1805-0638

Cap

782-0609

Holder Plate

734-1884-0637

Rear Wheel

734-1885-0637

Front Wheel

720-0343-0637

Rear Wheel Cap

720-0342-0637

Front Wheel Cap

738-1031

Axle Bolt

731-2402

Rear Trailing Shield

710-1758

Screw

747-1010

Guide Rod

726-0368-0637

Cable Clamp

731-2465

Grass Bag

731-2466A

Grass Bag Cover

782-9095A-0638

Protection Plate

736-0766

Washer

728-0286

Rivet

731-2454

Wire Clip

710-1764

Handle Bolt RH

MANUFACTURER'S

LIMITED WARRANTY

FOR:

RYOBIo
The limited warranty set forth below is given by MTD LLC with
respect to new merchandise purchased and used in the
United States, its possessions and territories.
"MTD" warrants this product against defects in material and
workmanship for a period of two (2) years commencing on the
date of original purchase and wilt, at its option, repair or
replace, free of charge, any part found to be defective in
materials 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,
commercial use, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water, or damage because of
other peril or natural disaster. Damage resulting from the
installation or use of any part, accessory or attachment not
approved by MTD for use with the product(s) covered by this
manual will void your warranty as to any resulting damage.
Normal wear parts are warranted to be free from defects in
material and workmanship for a period of thirty (30) days from
the date of purchase. Normal wear parts include, but not
limited to items such as: batteries, belts, blades, blade
adapters, grass bags, rider deck wheels, seats, snow thrower
skid shoes, shave plates, auger spiral rubber and tires.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, through your local authorized
service dealer. To locate the dealer in your area, check your
Yellow Pages, or contact MTD LLC at P.O. Box 361131,
Cleveland, Ohio 44136-0019, or call 1-800-345-TRIM (8746)
or 1-330-558-7210 or log on to our Web site at
www.ryobioutdoor.com.
This limited warranty does not provide coverage in the
following cases:
a,

The engine or component parts thereof. These items
may carry a separate manufacturer's warranty. Refer
to applicable manufacturer's warranty for terms and
conditions.
Log splitter pumps, valves, and cylinders have a
separate one year warranty.
Routine maintenance items such as lubricants, filters,
blade sharpening, tune-ups, brake adjustments, clutch
adjustments, deck adjustments, and normal
deterioration of the exterior finish due to use or

MTD does not extend any warranty for products sold or
exported outside of the United States, its possessions
and territories, except those sold through MTD's
authorized channels of export distribution.
Replacement parts that are not genuine MTD parts.
Transportation charges and service calls.

No implied warranty, including any implied warranty of
merchantability of 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, whether written or oral, except as
mentioned above, given by any person or entity,
including a dealer or retailer, with respect to any product,
shall bind MTD. During the period of the warranty, the
exclusive remedy is repair or replacement of the product
as set forth above.
The provisions as set forth in this warranty provide the
sole and exclusive remedy arising from the sale. MTD
shall not be liable for incidental or consequential loss or
damage including, without limitation, expenses incurred
for substitute or replacement lawn care services or for
rental expenses to temporarily replace a warranted
product.
Some states do not allow the exclusion or limitation of
incidental or consequential damages, or limitations on how
long an implied warranty lasts, so the above exclusions or
limitations 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 safety features of the product shall void this warranty.
You assume the risk and liability for toss, damage, or injury to
you and your property and/or to others and their property
arising out of the misuse or inability to use the product.
This limited warranty shall not extend to anyone other than the
original purchaser or to the person for whom it was purchased
as a gift.
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.

IMPORTANT: Owner must present Original Proof of
Purchase to obtain warranty coverage.

exposure.
Service completed by someone other than an
authorized service dealer.

MTD LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019; Phone:1-800-345-TRIM (8746), 1-330-558-7210

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Ryobi 18A C06 734 User Manual ELECTRIC MOWER Manuals And Guides 1108680L

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