10-6 KL120
Loose hydraulic connection.
Defective hydraulic hose, tubeline,
adapter fitting or adapter fitting o-ring.
Control valve o-rings defective.
Control valve spool or body damaged or
worn.
Cylinder rod packing set leakage.
Cold hydraulic fluid.
Engine R.P.M. too slow.
Low hydraulic fluid supply.
Hydraulic hose restriction.
Hydraulic pump defective.
Excessive shock load on lift cylinders
during transport.
External hydraulic fluid
leakage.
Hydraulic pump capacity
inadequate.
Lift cylinder rod bend
when lift cylinders
extended.
Problem Possible Cause Correction
Tighten loose connections.
Check for origin of oil leak and replace defective
part.
Replace defective o-rings.
Replace control valve.
Check cylinders for leakage. Repair as needed.
Allow hydraulic fluid to warm up to operating
temperature.
Increase engine R.P.M.
Refer to Tractor Operator's Manual for service
recommendations.
Check for evidence of restriction in hydraulic
hoses.
Refer to Tractor Operator's Manual for recom-
mended service procedures. Replace hydraulic
pump if determined to be defective.
Replace defective parts. Review and observe
proper and safe operational practices.
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