DriveSystem
Maintenance
ServicingtheTracks
CleaningtheTracks
ServiceInterval:Beforeeachuseordaily
Checkthetracksforexcessivewearandcleanthem
periodically.Ifthetracksareworn,replacethem.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,andlowertheboom.
2.Shutofftheengineandremovethekey.
3.Usingawaterhoseorpressurewasher,remove
dirtfromeachtracksystem.
Important:Usecarewhenusingahigh-pressure
washer,becauseitcandamagedecals,theengine,
andelectricalandhydraulicsystems,anditcan
depletegrease.Ensurethatthefuel-tankcapand
oilcap/dipstickaresecuretoavoidgettingwater
intheengine.Keepwaterawayfromelectrical
itemsandhydraulicvalves.
Important:Ensurethatyoufullycleantheroad
wheelsandthedrivewheel(Figure52).Theroad
wheelsshouldrotatefreelywhenclean.
g007832
Figure52
1.Roadwheels3.Track
2.Drivewheel
CheckingandAdjustingtheTrack
Tension
ServiceInterval:Aftertherst50hours
Every100hours
Tocheckthetensionofeachtrack,place20.4kg(45
lb)onthetrackmidwaybetweenthefrontroadwheel
andthedrivewheel.Thetrackshouldexnomore
than0.6to1cm(1/4to3/8inch).Ifitdoes,adjustthe
tracktensionusingthefollowingprocedure:
g007833
Figure53
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,andlowertheboom.
2.Shutofftheengineandremovethekey.
3.Loosenthejamnutonthetracktensioningbolt
andtheclampboltsonthetensionarm(Figure
54).
g007825
Figure54
1.Tensioningbolt
3.Clampbolts
2.Jamnut
4.Torquethetensioningboltto32.5to40N∙m(24
to30ft-lb)totightenthetrack(Figure54).
5.Ensurethatthetrackdeectslessthan0.6to1
cm(1/4to3/8inch)when20.6kg(45lb)offorce
38