Exmark TURF TRACER S-SERIES - PTO Belt Tension and Thread Adhesives; Grease and Anti-Seize Applications

Maintenance
InspectPTOClutchingBelt
Tension
ServiceInterval:Aftertherst2hours
Checkevery2hours
fortherst8hoursof
operation.
Every40hoursthereafter.
1.Stopengineandwaitforallmovingpartstostop.
2.EngagePTOlever.
3.Lookthroughtheroundholeintheleftrear
corneroftheenginedecktoinspectblade
clutchingbelttension.Boltonbladeengagement
linkagebellcrankandindicatorarmshouldalign
within1/16inch(1.6mm)(see
Figure15).Refer
toPTOEngagementLinkageforadjustment.
Figure15
1.Enginedeck3.Alignbolttoindicator
within1/16inch(1.6
mm)
2.Indicator4.Turnbuckle
ThreadLockingAdhesives
Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
•Pumpsheavesetscrews.
•Squareheadsetscrewsonhydropumpcontrol
arms.
•OPCleversetscrews.
•Lowersheaveretainingboltonclutcharm.
•Shoulderboltsinendsofspeedcontrolcrank.
•Sheaveretainingboltinendofenginecrankshaft.
•Fueltankbulkheadttingthreads
Adhesivessuchas“LoctiteRC/609orRC/680”or
“Fel-ProPro-LockRetainingIorRetainingII”are
usedonthefollowing:
•OPCleverhubsandcross-shaft.
Note:Caremustbeusednottobondthe
bearing,nexttoeachOPChub,tothecross-shaft
whichcouldcausebindingoftheOPCleversand
erraticoperation.
•Fueltankstuds,wherestudsareinsertedintotank.
MobilHTSGrease(Or
Food-GradeAnti-seize)
MobilHTSgrease(orfood-gradeanti-seize)isused
inthefollowinglocations:
•Betweenthecutterhousingspindleandbearings.
•Betweenthecutterhousingspindleandsheave.
•Undertopcutterhousingbearingguard.
Copper-BasedAnti-seize
Copper-basedanti-seizeisusedinthefollowing
locations:
•OnthreadsofBladeBolts.SeeCheckMower
Bladessection.
•Betweenenginecrankshaftandpumpandblade
drivesheaves.
•Onclutcharmassemblybetweenbearingsand
shaftandbetweenlowersheaveandshaft.
•Betweenpumpshaftsandsheaves.
DielectricGrease
Dielectricgreaseisusedonallbladetypeelectrical
connectionstopreventcorrosionandlossofcontact.
Dielectricgreaseshouldnotbeappliedtosealed
connectors.
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