Case 580T - Loader Attachment

8-TROUBLESHOOTING
Loaderattachment
PROBLEMPOSSIBLECAUSECORRECTION
Valvespoolleaking.
Inspectthespoolandcheckitfor
wearorscratches.
Theliftingcircuitfailstooperate,is
sloworlosespower.
Cylindersealsleakingorcylinder
barreldamaged.
Inspectandresealthecylinder.
Thereliefvalvesarestuckopen,set
toatoolowvalueorthereisaleak
intheseat.
Checkthebucketcircuitreliefvalve.
Valvespoolleaking.
Inspectthespoolandcheckitfor
wearorscratches.
Thebucketfailstooperate,isslow
orlosespower.
Cylindersealsleakingorcylinder
barreldamaged.
Inspectandresealthecylinder.
Damagedcylinderbarrel.Inspectandresealthecylinder.
Cylinderleak(spoolsinneutral).
Internalvalveleak.
Inspectthespoolandcheckitfor
wearorscratches.
Hesitationintheraisingmovement
oftheloaderattachmentorofthe
bucketcylinderswhenthecontrolis
initiallyactuated.
Loadcheckvalvebetweencontrol
valvesectionsdamaged.
Disassembleandinspect.
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