Troubleshooting - Kubota BX1860 Workshop Manual

BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM

1. TROUBLESHOOTING

Symptom
Implement Does Not
Rise (No Noise)
Implement Does Not
Rise (Noise)
Implement Does Not
Lower
Implement Drops by
Its Weight
Probable Cause
Control valve broken
Control valve improperly assembled
Relief valve spring damaged
Spool sticks
Piston O-ring or cylinder damaged
Oil filter cartridge clogged
Suction pipe loosen or broken
Suction pipe connecting hose loosen or broken
Suction pipe O-ring broken
Insufficient transmission oil
Relief valve setting pressure too low
Hydraulic pump broken
Control valve malfunctioning
Hydraulic cylinder worn or damaged
Piston O-ring worn or damaged
Control valve malfunctioning
Replace
Repair
Replace
Repair
Replace
Replace
Repair or replace
Repair or replace
Replace
Refill
Adjust or replace
Replace
Repair or replace
Replace
Replace
Replace
5-S1
HYDRAULIC SYSTEM
Reference
Solution
Page
5-S14
5-S14
5-S4
5-S14
5-S15
G-14
–
–
–
G-24
5-S4
5-S13
5-S14
5-S15
5-S15
5-S14
W1014322
KiSC issued 06, 2009 A