∠MAINTENANCEwHENREQu[RED
4‑10WHENREQU[REDMAiNTENANCEANDCHECKS
TRACKADJUSTMENT
□MeasuringTrackTension
1.Placethecarrieronafirmandlevel
ground.
2.Completelyraisethebody.Setthe
safetybar,
3.Haveaperson(60kg)onthecenterof
theupPerro"erandtheidler,
4.Placeastraightedge,bngenoughto
reachfromtheidiertotheupperroHer,
onthetracks.
5.Measurethemaximumamountoftrack
sagfromthehighpointofthetrack
grousertothebottomofthestraight
edge,ProperlyadjustedtrackwHlhave
approximately20to30mms]ack.
Sagwith
60kgforce:10～20mm
Upperroller
Idler
②Fitting
①Checkvalve
■ToTightenTrack
1.Addgreasethroughthecheckvalve
fitting②untiltheadlustmentiscorrect.
2.Operatethemachinebackandforthto
equalizepressure.
3Checktheamountoftracksagagain
andadjustasnecessa
η
ジ.
□TrackLoosening
1.RemovesoHdepositedonidlerbearing.
2.Loosenthecheckvalve②onetum
onlytoaIlowgreasetoescape.
3.Tightenthecheckvaiveseatwhenthe
adlustmentiscorrect.
NEVERovertightenthecheckva[ve,
Thetorquerequirementforcheckvalve
is59to69N・m(6to7kgf・m)
4.Operatethemachinebackandforthto
eqUallZeρreSSUre.
5.Checktheamountoftracksagagain
andadlustasnecessary.
Greaseisunderhighpressure.
Donotremovegreasefitting②.
GreasecomingoutofthereIiefvaive
underpressurecanpenetratethebody
causinginjuryordeath.
Donotwatchthereliefva]vetoseeif
greaseisescaping.Watchthetrackor
trackadjustmentcylindertoseeifthe
trackisbeingIoosened.
Loosenthecheckvalve①3turnsonIy.
lfthecorrectadjustmentcannotbe
obtained,contactyour旧ideaIer.
4‑22