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OPERATION
2547 01/11 Operation Section 4-43
© 2011 Alamo Group Inc.
OPERATION
10. Troubleshooting Guide
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
Loader slow or will not lift Hydraulic oil too heavy. Change to proper oil.
and/or dump
Oil filter plugged. Clean or replace filter.
Hydraulic pump worn. Repair or replace pump.
Oil line restricted or leaking. Check all hoses and tubes for leaks,
damage or restrictions. Replace
damaged or restricted hoses or tube
oil lines.
Control valve does not shift Inspect, clean, repair or replace
properly. valve.
Air in hydraulic system. Cycle lift cylinders and bucket
cylinders several times to free
system of air.
Cylinder leaks internally. Replace seals.
Faulty relief valve (tractor). Clean and replace relief valve.
Loader chatters or Air leak in pump inlet line. Check, tighten or replace inlet line.
vibrates when raising
or lowering
Air in hydraulic system. Cycle lift and bucket cylinders.
Oil level too low. Add oil as required.
Boom delay at start Air in system. Cycle lift cylinders and bucket
of self-level or unstable cylinders several times to free
self-level system of air.
*Loaded bucket dumps Unloading spool is leaking. Remove and inspect unloading
or uncurls when control spool for damage.
valve is in neutral
Control linkage binding. Inspect, adjust or repair linkage.
Cylinder seals bypassing oil. Repair or replace cylinders.
*Insufficient self-level Set screw is out of adjustment. Readjust set screw to achieve
proper flow split.
Spring on unloading spool Remove plug; replace unloading
is broken. spool spring.
Flow divider spool is stuck Remove flow divider spool and
towards adjustment pin side. inspect for damage.