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Spark Plug
1. Cleanareaaroundthe sparkplugbase.Do notsandblastspark
plug.Sparkplugshouldbecleanedby scrapingorwire brushing
andwashingwitha commercialsolvent
2. Removeandinspectthe spark plug.Checkgap to makesureit is
setat .030".See Figure11.
f- -._
Electrode Porcelain
3. Replacethesparkplug(Champion®RC12YC)once a season.
Muffler
o inspectmufflerperiodically,and replaceif necessary.Replace-
mentpartsfor the mufflermustbethe sameand installedin the
same the oric
Temperatureof mufflerandnearbyengineareasmayexceed150° F
(65°0).Avoidcontactwiththeseareas.
Clean Engine
o Dailyor beforeeveryuse,cleangrass,chaff or accumulated
debrisfromengine.Keeplinkage,spring,andcontrolsclean.
Keepareaaroundandbehindmufflerfreeof any combustible
debris.
Keepingenginecleanallowsair movementaroundengine.
• Enginepartsshouldbe keptcleanto reducethe risk of overheat-
ingandignitionof accumulateddebris.
Donot usewaterto cleanengineparts.Watercouldcontaminatefuel
system.Usea brushordry cloth.
Carburetor Adjustment
Thecarburetoron thisengineis not adjustable.
LUBRICATION
Front Wheel Bearings
Lubricatethe frontwheelbearingswith a No.2 multipurposelithium
greaseafter every 25 hoursof operation.The lubefittingsarelocated
in the rimhubinsideeachfrontwheel.
Deck Spindles and Idler Bracket
Lubricatethedeckspindlesandidlerbracketwitha No.2 multipurpose
lithiumgreaseafterevery10hoursof operation.
• The deckspindlelubefittingsareinthe spindlehousings,and
can only beaccessedfromthe undersideof thedeck.
• Lubricatetheidlerbracketthroughthe lubefitting inthe top of the
shoulderbolt. Usea pressuregreasegun to lubricatethe spindles
and idlerbracket.
Pivot Points & Linkage
Lubricateallthe pivotpointsonthe drivesystem,parkingbrakeandlift
linkageat leastonce a seasonwith lightoil.
Rear Wheels
The rearwheelsshouldberemovedfrom theaxles oncea season.
Lubricatetheaxlesandthe rimswellwithan all purposegreasebefore
re-installingthem.
IVT Transmission
The IVTtransmissionis sealedat the factoryand is maintenancefree.
The fluidlevelcannotbe checkedand cannotbe changed.Keepthe
areaaroundthe transmissioncoolingfan freeof grassanddebrisat all
times.
Steering
The steeringarms, pivotshafts,andaxlesmustbelubricatedif ever
the steeringeffortincreases,or afterevery25 hoursof operation.
Lubricateusinga pressuregreasegun and a No.2 multipurpose
lithiumgrease.
1. Applygreasethroughthe lubefittingonthe RHandLH (right
handandleft hand,from operator'sposition)steeringarmswhich
are locatedat rearwardend of the two steeringdrag links.See
Figure12.
f
Steering SteeringArm
LubeFitting
Tab
Axle PivotBar
21
Lubefittings
Figure12
Locatethe lubefittingsforthe pivotshaftandaxle onthe frontof
oneendof theaxle pivotbar.Applygreasethroughthe two lube
fittings,then repeatto lubricatetheother endof the pivotbar.See
Figure12.
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