6-MAINTENANCE
Tighteningtorques
Checkthetighteningtorquesevery250h(aftertherst50hduringtherun-inperiod).
NOTICE:Attheendofeachworkingday,checkallmountingnutsandscrewsfortightnessandtightenifnecessary.
Makesurenohardwareitemsaremissing.Replacethem,ifnecessary.
Component
Screw
Wrench
Torquesetting
Travelreductiongears(*)
M1624mm
267–312N·m(197–230lbft)
Drivesprocket(*)
M1624mm
267–312N·m(197–230lbft)
Idlerwheel(*)
M1624mm
267–312N·m(197–230lbft)
Upperroller(*)
M1624mm
267–312N·m(197–230lbft)
Lowerroller(*)
M1624mm
267–312N·m(197–230lbft)
Chainguide(*)
M1624mm
267–312N·m(197–230lbft)
TracksM1624mm
373–451N·m(275–333lbft)
Counterweight
M3046mm
1435–1650N·m(1058–1217lbft)
Turntable(lowerframe)
M1624mm
280–312N·m(207–230lbft)
Turntable(swingframe)
M1624mm
280–312N·m(207–230lbft)
Swingreductiongear(*)
M1624mm
280–312N·m(207–230lbft)
Frontenginemount(*)
M1624mm
265–314N·m(195–232lbft)
Rearenginemount(*)
M1624mm
265–314N·m(195–232lbft)
Enginerearbracket(*)
M1219mm
109–127N·m(80–94lbft)
RadiatorM1219mm
63–74N·m(46–55lbft)
Hydraulicpumpange(*)
M1017mm
63–73N·m(46–54lbft)
Hydraulicpump(*)
M16
Hexagonwrench
223–247N·m(164–182lbft)
Hydraulictank(*)
M1624mm
232–276N·m(171–204lbft)
Fueltank(*)
M1624mm
232–276N·m(171–204lbft)
DEF/ADBLUE®tank(*)
M1624mm
226–265N·m(167–195lbft)
Centerjoint(*)(lowerframe)
M1219mm
109–127N·m(80–94lbft)
Centerjoint(*)(swingframe)
M1219mm
88–107N·m(65–79lbft)
Controlvalve(*)
M1624mm
267–312N·m(197–230lbft)
Cab
M1624mm
149–173N·m(110–128lbft)
Battery
M1017mm
19–29N·m(14–21lbft)
NOTE:Onthescrewswithmark(*),useLOCTITE®262™oritsequivalent.
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