wsm RTV-X1120D Workshop Manual page 407

RTV-X900, RTV-X1120D, WSM
1. TROUBLESHOOTING
Symptom
Implement Does Not
Rise (No Noise)
(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
Suction hose loosen or broken
Insufficient hydraulic lift oil
Relief valve setting pressure too low
Hydraulic pump broken
Control valve malfunctioning
Hydraulic lift cylinder worn or damaged
Piston O-ring worn or damaged
Control valve malfunctioning
Replace
Repair
Replace
Repair
Replace
Repair
Repair or replace
Refill
Adjust or replace
Repair or replace
Replace
Replace
Replace
7-S1
HYDRAULIC SYSTEM
Reference
Solution
Page
2-S40
2-S40
7-S10
7-S10
7-S10
7-S6
G-43
7-S4
7-S6
2-S40
7-S7
7-S9
2-S40
9Y1210946HYS0001US0
KiSC issued 01, 2014 A