Manual
Section5: Maintenance
W!_LW:I-'t_II_[_I Beforeinspecting,cleaningorservicingthemachine,shutoffengine,waitformovingpartstostop,disconnectspark
t _ plugwireandmovewireawayfromsparkplug.Removeignitionkey(ele_icstartmodels).
Failuretofollowtheseinstructionscanresultinseriouspersonalinjuryorpropertydamage.
WHEELDRIVEBELT
REPLACEMENT
Followthis procedureto replacethe
wheeldrive belt.
1. Stopengine,wait forall partsto
stopmoving,anddisconnectspark
plugwire.
2. Releaseall mowercontrols.
3. Removebelt coveras describedin
"Belt CoverRemoval"instructions.
4. Locatewheeldrive belt (0, Figure5-
11) and removeit from top sheaveof
enginesheave,backsidedidlers (P and
Q)andtransmission sheave(R).
5. Install new belt as shownin Figure5-
11. Beltmustbe installed"inside out "-
"V" side of belt lies against
enginesheaveonly. Flatside of belt lies
againsttransmission sheave(R) and
back-sidedidlers (Pand Q).
6. Makesure belt is inside belt guide (S,
Figure5-11).
7. Reinstallbeltcover securely.
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Figure5-11: Wheeldrivebeltreplacement.
gagewheeldriveby squeezingWheel
DriveControluntil it contactshandlebar.
4. Wheelsshould slip on pavedsurface.
8. An adjustmentto the drive beltmay
be necessary.See"WheelDriveBelt If they do not, anadjustmentis required.
Adjustment"in this Section. To Adjust WheelDriveBelt:
1. Stopengine, waitforall partsto
stopmoving,anddisconnectspark
plug wire.
2. Removecotter pin (A, Figure5-12A)
from upperend of Wheel DriveControl
rod. Slide rod out of leverassembly.
3. Loosenjam nut (D, Figure5-12).
4. Threadrod (E, Figure5-12) oneor
two turns clockwisefor moretension or
counterclockwisefor lesstension.
5. Insertrod backinto hole in Wheel
DriveControlleverand installcotter pin.
Bendends of cotter pin to secure.
6. Retestwheeltraction. Repeatadjust-
mentprocedure,if necessary.Most
comfortableoperationwill beobtained
when the adjustmentallowsthe leverto
just makecontactwith the handgripas
sufficient wheeltraction is achieved.
When adjustmentis complete,tighten
jam nut (D) firmly againstblock (B).
WHEELDRIVEBELT
ADJUSTMENT
Thewheel drive belt requiresanadjust-
ment if loss of drive belttension (slip-
page)occurs. This is most noticeable
when moretraction is required(suchas
going up slopes).
To TestWheelTraction:
1. Parkmachineon a paved(concrete,
etc.) surfacewith front edgeup against
a sturdy wall,fence,etc.
2. Put GearSelectLeverin No.1 setting.
IMPORTANT:DONOTPARKAGAINSTA
PAINTEDORSIDEDWALL. TESTING
THEWHEELDRIVESYSTEMREQUIRES
MACHINETOBEFORCIBLYPUSHED
AGAINSTWALL. DAMAGETO PAINTOR
SIDINGCOULDRESULT.
3. With enginerunning,and machine
placedfirmly up againstwall, hold down
OperatorPresenceControlandfully en-
A
Figure5-12A
WHEELBRAKEADJUSTMENT
Thisadjustment mayberequiredif the
machinedoesnot hold on a hill with the
OperatorPresenceControldisengaged,
or if the brakedrags with the Operator
PresenceControlengagedandthe trans-
mission in neutral.
1. Stopengine, waitforall partsto
stopmoving,anddisconnectspark
plug wire.
2. Disengage(release)the Operator
PresenceControl (M, Figure5-13).
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