New Holland B95C - Backhoe attachment - Troubleshooting

8-TROUBLESHOOTING
Backhoeattachment-Troubleshooting
Problem
PossibleCauseCorrection
Theliftingsystemis
inoperative,istooslow,
losespowerordoesnot
hold.
Theliftingcircuitreliefvalveisstuckopen,
settoatoolowvalueorthereisaleakin
theseat.
Testthepressureoftheliftingcircuitrelief
valve.
Valvespoolleaking.
Inspectthespoolandcheckitforwearor
scratches.
Cylindersealsleakingorcylinderbarrel
damaged.
Inspectandresealthecylinder.
Thediggingcontrolfails
tooperate,isslowor
losespower.
Thediggingcircuitreliefvalve(cylinder
end)isstuckopen,settoatoolowvalue
orthereisaleakintheseat.
Testthepressureofthediggingcircuitrelief
valve.
Valvespoolleaking.
Inspectthespoolandcheckitforwearor
scratches.
Cylindersealsleakingorcylinderbarrel
damaged.
Inspectandresealthecylinder.
Thebucketfailsto
operate,issloworloses
power.
Thebucketreliefvalve(rodend)isstuck
open,settoatoolowvalueorthereisa
leakintheseat.
Testthepressureofthebucketreliefvalve.
Valvespoolleaking.
Inspectthespoolandcheckitforwearor
scratches.
Cylindersealsleakingorcylinderbarrel
damaged.
Inspectandresealthecylinder.
Thetelescopicdipper
failstooperate,isslowor
losespower.
Thetelescopicdippercircuitreliefvalve
(cylinderend)isstuckopen,settoatoo
lowvalueorthereisaleakintheseat.
Testthepressureofthetelescopicdipper
reliefvalve.
Valvespoolleaking.
Inspectthespoolandcheckitforwearor
scratches.
Cylindersealsleakingorcylinderbarrel
damaged.
Inspectandresealthecylinder.
Stabilizerpadsleaking.Stabilizersafetyvalveleaking.Inspectandoverhaulthestabilizersafety
valve.
Cylindersealsleakingorcylinderbarrel
damaged.
Inspectandresealthecylinder.
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