SECTION 4 - TROUBLESHOOTING
4-2
Problem Possible cause Action
Lift and/or bucket cylinders oper-
ate in wrong direction compared
with lever movement
Hydraulic hoses wrongly con-
nected.
Connect hydraulic hoses to cor-
rect union.
Control cables for single lever
control wrongly connected.
Contact your dealer.
Air in hydraulic oil (generally
shown by
foaming)
Low hydraulic oil level. Check and top up with hydraulic
oil to correct level.
Air leakage in hydraulic pump suc-
tion side.
Contact your dealer.
Foaming due to use of wrong type
of oil.
Read the tractor instruction manu-
al and use the recommended type
of hydraulic oil.
Slow or jerky lifting movement Low hydraulic oil level. Cold hy-
draulic oil.
Check/top up the hydraulic oil. Let
the hydraulic oil warm up to work-
ing temperature.
Engine speed too low (hydraulic
pump speed is then too low).
Increase engine speed to improve
loader performance.
Too heavy load in bucket. Material
weight exceeds loader’s specified
capacity.
Reduce the load in the bucket.
Control valve cable system binds
or is damaged.
Contact your dealer.
Air in the hydraulic oil. Please refer to ”Air in hydraulic oil”
above.
Hydraulic quick--release couplings
not fully inserted.
Check the couplings. Repair or
change.
Restriction in hydraulic hose or
pipe (hoses/pipes have become
twisted or crushed).
Check hoses/pipes for signs of re-
striction.
Lifting cylinder piston unit leaks. Contact your dealer.
Reduction valve works unevenly
or is set too low.
Contact your dealer.
Internal leakage in control valve
(bypass flow in valve).
Contact your dealer.
Low capacity in hydraulic pump. Please refer to “Low pump capac-
ity” below.
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