Toro STX-38 EFI - Drive System Maintenance; Servicing the Tracks; Checking and Adjusting Track Tension

DriveSystem
Maintenance
ServicingtheTracks
CleaningtheTracks
ServiceInterval:Beforeeachuseordaily
Checkthetracksforexcessivewearandcleanthem
periodically.Ifthetracksareworn,replacethem.
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
grinder.
2.Shutofftheengineandremovethekey.
3.Usingawaterhoseorpressurewasher,remove
dirtfromeachtracksystem.
Important:Ensurethatyouusehigh-pressure
watertowashonlythetrackarea.Donotuse
ahigh-pressurewashertocleantherestofthe
machine.High-pressurewashingcandamagethe
electricalsystemandhydraulicvalvesordeplete
grease.
Important:Ensurethatyoufullycleantheroad
wheelsandthedrivewheel(Figure44).Theroad
wheelsshouldrotatefreelywhenclean.
g019855
Figure44
1.Roadwheels3.Track
2.Drivewheel
CheckingandAdjustingtheTrack
Tension
ServiceInterval:Aftertherst50hours
Every100hours
Tocheckthetensionofeachtrack,place20.4kg(45
lb)onthetrackmidwaybetweenthefrontroadwheel
andthedrivewheel.Thetrackshouldexnomore
than0.6to1cm(1/4to3/8inch).Ifitdoes,adjustthe
tracktensionusingthefollowingprocedure:
g019856
Figure45
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
grinder.
2.Shutofftheengineandremovethekey.
3.Loosenthejamnutonthetracktensioningbolt
andtheclampboltsonthetensionarm(Figure
46).
g019857
Figure46
1.Tensioningbolt
3.Clampbolts
2.Jamnut
4.Torquethetensioningboltto32.5to40N∙m(24
to30ft-lb)totightenthetrack(Figure46).
5.Ensurethatthetrackdeectslessthan0.6to1
cm(1/4to3/8inch)when20.6kg(45lb)offorce
isappliedtothetrackspan.Adjustthetorqueon
thetensioningboltasneeded.
6.Tightenthejamnut.
7.Tightentheclampboltsandtorqueto102N∙m
(75ft-lb).
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