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OPERATION
4211-4211SS MSL 01/11 Operation Section 4-43
© 2011 Alamo Group Inc.
OPERATION
11. 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.
External leakage Damaged seals. Remove leaking component;
replace seals.
Pump noisy Inlet line restricted or leaking. Check for air leaks, restrictions or
collapsed hose. Tighten or replace
hose. Clean filter.
Oil level too low. Add oil as required.
Pump worn or damaged. Repair or replace pump.
Excessive wear on bucket Bucket is riding on cutting edge Use boom “FLOAT” position or
cutting edge instead of wear runners. bucket level indicator to ensure
bucket rides on wear runners.