Kioti KL155 - Control Valve and Pump Issues

10-6 KL155
Check for evidence of restriction in hydraulic
hoses.
Hydraulic hose restriction.
Refer to Tractor Operator's Manual for service
recommendations.
Low hydraulic fluid supply.
Increase engine R.P.M.Engine R.P.M. too slow.
Allow hydraulic fluid to warm up to operating
temperature.
Cold hydraulic fluid.
Hydraulic pump capacity
inadequate.
Check cylinders for leakage. Repair as
needed.
Cylinder rod packing set leakage.
Replace control valve.Control valve spool or body damaged or worn.
Replace defective o-rings.Control valve o-rings defective.
Check for origin of oil leak and replace
defective part.
Defective hydraulic hose, tubeline, adapter
fitting or adapter fitting o-ring.
Tighten loose connections.Loose hydraulic connection.
External hydraulic fluid
leakage.
Disassemble valve for inspection and repair.
Control valve spool binding in valve body
spool bore.
Replace centering spring.Control valve spool centering is broken.
Determine origin of binding and repair.Control lever linkage binding.
Control valve spool(s)
will not return to
centered position.
CORRECTIONPOSSIBLE CAUSEPROBLEM