Operator's Manual

DriveSystem
Maintenance
ServicingtheTracks
CleaningtheTracks
ServiceInterval:Beforeeachuseordaily
Checkthetracksforexcessivewearandcleanthem
periodically.Ifthetracksareworn,replacethem.
1.Lowertheboomandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Usingawaterhoseorpressurewasher,removedirt
fromeachtracksystem.
Important:Ensurethatyouusehigh-pressurewaterto
washonlythetrackarea.Donotuseahigh-pressure
washertocleantherestofthemachine.High-pressure
washingcandamagetheelectricalsystemandhydraulic
valvesordepletegrease.
Important:Ensurethatyoufullycleantheroadwheels
andthedrivesprocket(
Figure46).
Figure46
1.Roadwheels3.Track
2.Drivesprocket
CheckingandAdjustingtheTrack
Tension
ServiceInterval:Aftertherst50hours
Every100hours
Tocheckthetensionofeachtrack,place20.4kg(45lb)on
thetrackmidwaybetweenthefrontroadwheelandthedrive
sprocket.Thetrackshouldexnomorethan0.6to1cm
(1/4to3/8inch).Ifitdoes,adjustthetracktensionusing
thefollowingprocedure:
Figure47
1.Stopthemachineinonalevelsurfaceandsetthe
parkingbrake.
2.Stoptheengine,lowertheboom,removethekey,and
waitforallmovingpartstostopbeforeleavingthe
operatingposition.
3.Loosenthejamnutonthetracktensioningboltand
theclampboltsonthetensionarm(
Figure48).
Figure48
1.Tensioningbolt
3.Clampbolts
2.Jamnut
4.Torquethetensioningboltto32.5to40N-m(24to30
ft-lb)totightenthetrack(Figure48).
5.Ensurethatthetrackdeectslessthan0.6to1cm(1/4
to3/8inch)when20.6kg(45lb)offorceisappliedto
thetrackspan.Adjustthetorqueonthetensioning
boltasneeded.
6.Tightenthejamnut.
7.Tightentheclampboltsandtorqueto102N-m(75
ft-lb).
ReplacingtheTracks
Whenthetracksarebadlyworn,replacethem.
1.Lowertheboomandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
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