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FirstPerformPreviousSen'iceHourltems.
■ChecktheFixedBoltTorque
WhenIoosenedboltornutisfoundatdailycheck,
retaightitwithtorquespecificationstable.
1.Specialtorquespecifications
Specialtightenisappliedformainboltsas
iIIustratedbelow.
WhenrepIacingbolts,appiymolybdenumgrease
tobolts,nuts,andbearingsu6aceofnuts.Then,
tightenthemwithspecifiedtorques.
No.ThreadSizeTighteningTorque
SpecialtighteningWrenchSize(mm)kgf-mN。m
①TraveIreductiondrive24M1621.0206
②Sprocket24M1621.0206
③LowerroIler30M2041.9411
2.Generaltorquespecifications
Otherthanabove‑mentioned,referthenexttablefortorques.
ThreadSize(mm)Coarse10TBoltFine10TBolt
(kgf・m)(N・m)(kgf・m)(N・m)
M82.3232.525
M104.8475.150
M128.5839.391
M1621.020622.5220
M2042.041246.0450
M2473.071583.0813
MAINTENANCE
4・7500HOURSMAINTENANCEANDCHECKS
StandardTorque
HighPressureHoseUnionNut
HoseSize(inch)(kgf・m)(N・m)
114"2.525
3/8"5.049
1/2"6.059
3/4"12.0118
1"14.0137
1-414"17.0167
4‑13
500HOURS
o
一1②一3
StandardTorque
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