TractionCircuitProblems(continued)
Problem
PossibleCauses
Asingle-wheelmotorturnswhileunloaded,butslowsdown
orstopswhentheloadisapplied.
•Thetransmissionbypassvalve(s)isopenorleaking.
•Thewheelmotoriswornordamaged.
•Thetransmissioncomponents(e.g.,pistonpump,relief
valve,andcheckvalve)fortheproblemwheelmotorare
wornordamaged.
Note:If1tractioncircuitcomponenthasinternalwearor
damage,itispossiblethattheothertractioncomponents
arealsodamaged.
Themachinedoesnottrackstraight.•Theexternaltractioncontrollinkageisincorrectlyadjusted,
disconnected,binding,ordamaged.
•Thesteeringcylindersarenotsynchronizedpreventing
frontandrearwheelalignment(synchronizethesteering
cylindersbyturningin1directionandholdinguntilallwheels
stopturning).
•Thesteeringcomponentsareoutofadjustmentordamaged.
•Thesteeringhomesensormaybeoutofadjustment.
•Thetransmissionbypassvalve(s)isopen.
•Thebrakeisdraggingorbinding.
•Thetransmission-checkvalveisnotseatingordamaged.
•Thetransmissionorwheelmotor(s)iswornordamaged.
HydraulicSystem:Troubleshooting
Page4–36
Groundsmaster360
16225SLRevC
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