TestingtheTractionCircuit–ChargePressure
g354956
Figure30
TractionCircuit–ChargePressureT est
Thechargepressuretestistherstinaseriesoftestsrecommendedto
determinetractioncircuitperformance.Achargepressuredropofmorethan
20%whenamoderateloadisplacedonthepiston(traction)pumpindicatesan
internalleakinthepiston(traction)pump.Continuedunitoperationcangenerate
SandPro
®
3040and5040
Page5–27
HydraulicSystem:TestingtheHydraulicSystem
20251SLRevA