Exmark Frontrunner 720,000 & Higher Serial Nos. - Cleaning Procedures

Maintenance
Figure16
Right-HandSideofUnitShown
1.Re-installspringinouter
holestoreducespring
tension.
3.Removee-ringand
washer.
2.Weighttransferspring.
7.Re-installtheleftfender
8.Foradditionalweighttransferadjustment,repeat
steps4through7ontherightsideoftheunit.
CasterPivotBearings
Pre-LoadAdjustment
Removedustcapfromcasterandtightennylocnut
untilwashersareatandbackoff1/4ofaturn
toproperlysetthepre-loadonthebearings.If
disassembled,makesurethespringdiscwashersare
reinstalledasshowninFigure17.
Figure17
1.Springdiscwashers
Cleaning
CleanEngineCooling
System
ServiceInterval:Beforeeachuseordaily
(Mayberequiredmore
oftenindryordirty
conditions.)
CAUTION
Excessivedebrisaroundtheenginecooling
airintakeandinsideofthepumpdrive
beltcompartmentanddamagedormissing
rubberbafescancausetheengineand
hydraulicsystemtooverheatwhichcan
createarehazard.
Cleanalldebrisfrominsideofpumpdrive
beltcompartmentdaily.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Cleanalldebrisfromrotatingengineairintake
screenandfromaroundengineshrouding.
3.Cleanalldebrisfromaroundtheengineanddrive
belts.
RemoveAccumulatedDebris
fromEngine(Briggs&
StrattonUnitsOnly)
ServiceInterval:Beforeeachuseordaily
Enginepartsshouldbekeptcleantoreducetherisk
ofoverheatingandignitionofaccumulateddebris.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Removefrontpanelfromengineandcleanaround
theintakemanifold,fuelpump,andcarburetor.
3.Reinstallthefrontpanel.
Important:DoNotusewatertocleanengine.
Uselowpressurecompressedair.SeeEngine
Owner’sManual.
34