Case 570T - Hydraulic systems - Troubleshooting

8-TROUBLESHOOTING
Hydraulicsystems-Troubleshooting
Problem
PossibleCauseCorrection
Allcircuitsfailtooperate
Pumpdriveinoperative
Checkandrepairasnecessary
Lowoillevel
Checkthelevelandtopup
RestrictedpumpsuctionlineInspectthesuctionlineandthetankand
repairasnecessary
Slowoperationorlossof
powerinallcircuits
Wornpump
Makeapumpperformancetest,replace
andresealasnecessary
RestrictedpumpsuctionlineInspectthesuctionlineandthetankand
repairasnecessary
Loadsensingpressurereliefvalveincor-
rectlyadjusted
Makeasystempressuretest
HydraulicspeedsolenoidvalveinoperativeMakeasystempressuretest
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