Gehl SL4635 - Page 62

907808/CP0300 60 PRINTED IN USA
Hydraulic System
Problem Possible Cause Remedy
Bucket will not tilt,
lift arms work
properly.
Tilt solenoid valve malfunctioning.
Tilt spool in control valve not actuated or
leaking.
Check electrical connections to tilt
solenoid and repair connections as
needed. If tilt solenoid valves are still not
functioning properly, contact your Gehl
dealer.
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.
Low charge pressure.
Linkage misadjusted between right foot
pedal and pilot valve.
Bleed the pilot control line from the main
control valve.
Contact your Gehl dealer for assistance.
Readjust for full travel without restriction.
Lift arm does not
raise, bucket tilt
works properly.
Lift solenoid valve malfunctioning.
Lift spool in control valve not actuated or
leaking.
Check electrical connections to lift
solenoid and repair connections as
needed. If lift solenoid valve is still not
functioning properly, contact your Gehl
dealer for assistance.
Contact your Gehl dealer for assistance.
Lift arm doesn’t
maintain raised
position with lift
control in NEUTRAL.
Oil leaking past lift cylinder seals (internal
or external).
Oil leaking past lift spool in control valve.
Self-leveling valve malfunctioning.
Leaking hydraulic hoses, tubes or fitting
between control valve and cylinders.
Contact your Gehl dealer for assistance.
Contact your Gehl dealer for assistance.
Contact your Gehl dealer for assistance.
Inspect hoses and tubes, tighten fittings
as needed. Replace hoses or tubes when
needed.
Lift arm will not
lower or raise.
Lift arm support device engaged.
Lift solenoid valve malfunctioning.
Restraint bar not lowered.
Seat or restraint bar switch malfunction.
Raise lift arm and disengage support
device.
Check electrical connections to solenoid.
Repair or replace as needed.
Lower restraint bar.
Check electrical connections to the switch.
Replace switch as needed.
Attachment
connected to high
flow hydraulics stalls
or has low-power
(DX units only).
Relief valve on high flow manifold valve is
malfunctioning.
Relief valve in lift/tilt control valve
malfunctioning.
Replace relief valve.
Replace relief valve.