64
917334/BP0310
Bucket does not level
on the lift cycle.
Self-leveling valve
misadjusted or
malfunctioning.
Contact your dealer.
Jerky lift arm and
bucket action.
Seat or restraint bar switch
malfunction.
Check electrical connections
to the switches. Replace as
needed.
Air in the hydraulic system.
Cycle lift/tilt cylinders to
maximum stroke and
maintain pressure for short
time to clear air from system.
Oil in hydraulic reservoir is
low.
Check and add oil.
Bucket drifts
downward with tilt
control in neutral.
Oil leaking past tilt cylinder
seals (internal or external).
Contact your dealer.
Self-leveling valve is
malfunctioning.
Contact your dealer.
Leaking hydraulic hoses,
tubes, or fittings between
control valve and cylinders.
Inspect hoses and tubes,
tighten fittings. Replace
hoses or tubes as needed.
No down pressure
on the bucket.
Control valve in float
position.
Take control out of float
position.
Tilt cylinders are
malfunctioning.
Contact your dealer.
Relief valve in control valve
not functioning properly.
(Squealing noise should be
evident while operating.)
Contact your dealer.
Bucket will not tilt, lift
arms work properly.
Tilt solenoid valve
malfunctioning.
Check electrical connections
to tilt solenoid and repair
connections as needed. If tilt
solenoid valves are still not
functioning properly, contact
your dealer.
Tilt spool in control valve not
actuated or leaking.
Check valve control linkage
and/or tube connections to
valve.
Slow or no response
for bucket tilt, lift
works properly
(Hand/Foot units
only).
Pilot control lines have air in
them.
Bleed the pilot control line
from the main control valve.
Low charge pressure.
Contact your dealer.
Linkage misadjusted
between right foot pedal and
pilot valve.
Readjust for full travel
without restriction.
Hydraulic System
Problem
Possible Cause
Remedy
Summary of Contents for SL3640E
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