Service Manual

TractionCircuitProblems(continued)
Problem
PossibleCauses
Thewheelmotordoesnotturn.•Thebrakesarebinding.
•Thepiston(traction)pumpbypassvalveisopen.
•Thepiston(traction)pumporwheelmotoriswornor
damaged.
Note:If1tractioncircuitcomponenthasinternalwearor
damage,itispossiblethattheothertractioncomponents
arealsodamaged.
ThewheelmotordoesnotholdloadintheNEUTRALposition.
Note:Themachinemaynotbecompletelystationaryif
parkedonaninclinewithouttheparkingbrakeengaged.
•Thechargepressureislow.
•Thecheckvalvesinthepiston(traction)pumparedamaged.
•Thevalveplate(s)inthepiston(traction)pumpiswornor
damaged.
•Thewheelmotoriswornordamaged.
Note:If1tractioncircuitcomponenthasinternalwearor
damage,itispossiblethattheothertractioncomponents
arealsodamaged.
Asingle-wheelmotorturnswhileunloaded,butslowsdown
orstopswhentheloadisapplied.
•Thepiston(traction)pumpbypassvalveisopenorleaking.
•Thewheelmotoriswornordamaged.
Note:If1tractioncircuitcomponenthasinternalwearor
damage,itispossiblethattheothertractioncomponents
arealsodamaged.
HydraulicSystem:Troubleshooting
Page6–52
Reelmaster
®
5410/5510/5610Series
15216SLRevD