Cub Cadet 59A40003727 - TROUBLESHOOTING

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SECTION 12: TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Jerky Operation
• Airinhydraulicsystem
• Coldhydraulicoil
• Lowhydraulicoillevel
• Pooroilcirculation
• Wornordamagedhydraulicpump
• Airleakinpumpinletline
• Cyclecylindersseveraltimesto
purge system of air.
• Runenginetowarmoil.
• Addoiltolevelspecified.
• Changeoilfilterandclean
screen in tractor hydraulic
system.
• Repairorreplacepump.
• Check,tightenorreplaceinlet
line.
Slow Operation
• Faultyvalve
• Airinhydraulicsystem
• Hydraulicoiltooheavy
• Oilfilterplugged
• Slowenginespeed
• Cylinderpistonsealsleaking
• Valveoutofadjustmentormalfunctioning
• Tractorhydraulicpumpmalfunctioning
• Hydrauliccouplersnotcompletelyengaged
• Repairorreplacevalve.
• Cycleliftcylindersandbucket
cylinders several times to free
system from air.
• Changetoproperoil.
• Cleanandreplacefilter.
• Increaseenginespeedrate.
• Repair(ifavailable)orreplace
• Adjust,repairorreplace.
• Repairorreplacepump.
• Connecthydrauliccouplers.
Oil Leaks
• Loosehoseconnections
• Fittingsorhosesdefective
• Hydrauliccylindersealswornordamaged
• Valvecomponentswornordamaged
• Tightenfittings.
• Usethreadsealeronpipe
(tapered) threads.
• Repairseals(ifavailable)or
replace cylinder.
• Repairand/orreplace.
Cannot Raise Load
• Lowoilsupply
• Bucketoverloaded
• Hosefittingsnotfullyengagedincouplers
• Cylinderpistonsealleakage
• Valveoutofadjustmentormalfunctioning
• Hydraulicpumpmalfunctioning
• Loadisgreaterthanboomliftcapacity
• Checkoillevel.
• Trylighterload.
• Recouplehoses.
• Repairorreplace.
• Repairorreplace.
• Repairorreplace.
• Checkloaderspecifications.