TROUBLESHOOTING 10-3
Hydraulic hoses connected incorrectly.
Low hydraulic fluid level.
Cold hydraulic fluid.
Engine R.P.M. too slow(hydraulic pump
R.P.M. too slow).
Excessive weight in bucket. Material
weight exceeds maximum specified
loader capacity.
Control valve linkage binding/defective.
Aeration of hydraulic fluid
Quick disconnect coupler restriction or
coupler "Flow checks"
Hydraulic hose or tubeline restriction
(hoses/tubline) kinked or pinched.
Lift cylinder piston assembly leakage.
Lift and/or Bucket Cylin-
ders operate in wrong
direction relative to control
lever position.
Slow or erratic lift
Problem Possible Cause Correction
Correct hydraulic hose connections.
Check and replenish hydraulic fluid.
Allow hydraulic system to warm up to operating
temperature.
Increase engine speed to obtain satisfactory loader
operation.
Reduce material load.
Check control valve linkage and repair if worn/
defective.
Refer to "Aeration of Hydraulic Fluid".
Check coupler connections. Repair or replace.
Check hoses and tubelines for evidence of
restriction.
Check cylinders for leakage. Repair as needed.
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