8-S4
BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
FRONT LOADER
2. TROUBLESHOOTING
W1014322
Symptom Probable Cause Solution
Reference
Page
Boom Does Not Rise Control valve malfunctioning Repair or replace 8-S11
Boom cylinder defective Repair or replace 8-S12
Control lever linkage defective Repair or replace 8-S10
Hydraulic pump malfunctioning Repair or replace 5-S13
Oil filter clogged Clean or replace G-13
Hydraulic hose damaged Replace 8-S12
Boom Does Not
Lower
Control valve malfunctioning Repair or replace 8-S11
Insufficient Boom
Speed
Boom cylinder tube worn or damaged Replace 8-S13
Boom cylinder piston ring (piston seal and O-
ring) worn or damaged
Replace 8-S14
Oil leaks from tube joints Repair –
Relief valve setting pressure too low Adjust 8-S9
Insufficient transmission fluid Refill 8-S2
Dirty relief valve Clean –
Bucket Does Not
Move
Control valve malfunctioning Repair or replace 8-S11
Bucket cylinder defective Repair or replace 8-S12
Control lever linkage defective Repair or replace 8-S10
Hydraulic pump malfunctioning Repair or replace 5-S13
Oil filter clogged Clean or replace G-13
Relief valve spring damaged Replace –
Hydraulic hose damaged Replace 8-S12
Dirty relief valve Clean –
Insufficient Bucket
Speed
Bucket cylinder tube worn or damaged Replace 8-S13
Bucket cylinder piston ring (piston seal and O-
ring) worn or damaged
Replace 8-S14
Oil leaks from tube joints Repair –
Insufficient transmission fluid Refill 8-S2
Front End Loader
Drops by its Weight
Boom cylinder tube worn or damaged Replace 8-S13
Boom cylinder piston ring (piston seal and O-
ring) worn or damaged
Replace 8-S14
Oil leaks from tube joints Repair 8-S13
Control valve malfunctioning Repair or replace 8-S11
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