Exmark LAZER Z DS-SERIES - Maintenance; Check Spark Arrester (if equipped); Thread Locking Adhesives

Maintenance
Figure17
1.Oildipstick
2.Draincock
4.Reinstallalldrainplugsandhosesandtighten
draincock.
5.Fillradiatorwitha50/50mixofwaterand
Dex-Cool©coolantasspeciedintheCheck
EngineCoolantLevelSection,allowingsome
room(approximately1/2inch(12.7mm))for
expansion.Add50/50coolantmixtooverow
bottleontheleftsideoftheengineasrequired
tobringtheleveluptotheindicatorlineonthe
bottle.
WARNING
Enginecompartmentcontainsopenbelt
drives,fans,andotherrotatingcomponents
thatcancauseinjury.Fingers,hands,loose
clothing,orjewelrycangetcaughtbythe
rotatingfananddriveshaft.
•DoNotoperatemachinewithoutthe
coversinplace.
•Keepngers,hands,andclothingclearof
rotatingcomponents.
•Shutoffengine,waitformovingpartsto
stop,engageparkingbrakeandremove
key,beforeperformingmaintenance.
6.Withthecapofftheradiator,tilthoodclosedand
puttheseatdown.Starttheengineasstatedin
theOperatingInstructionsSection.Returnthe
seatupandhoodforwardtotheopenposition.
7.Operateengineuntiltheenginethermostatopens
andcoolantiscirculatingthroughtheradiator
core.Asairispurgedfromtheengineblockand
thecoolantleveldrops,addadditionalcoolantto
theradiator.
8.Whentheradiatoriscompletelyfullandno
additionalcoolantcanbeadded,continuerunning
andinstalltheradiatorcap.Makesurethatthe
capiscompletelyseatedbypressingdownrmly
whileturninguntilthecapstops.Oncethecapis
installed,theenginemaybestopped.
CheckSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignitefuel
vaporsevenaftertheengineisstopped.Hot
particlesexhaustedduringengineoperationmay
igniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
DoNotrefuelorrunengineunlesssparkarrester
isinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacearrester.
4.Ifpluggingofthescreenisobserved,remove
arresterandshakelooseparticlesoutofthe
arresterandcleanscreenwithawirebrush(soak
insolventifnecessary).Reinstallarresteron
exhaustoutlet.
ThreadLockingAdhesives
Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
•Pumpdrivesheavesetscrews.
•SquareheadsetscrewsonHydropumpcontrol
arms.
•Sheaveretainingboltintheendofengine
crankshaft.
•Casterwheelspacernuts.
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