100 50950106/AP0313
Lift/Tilt controls fail
to respond.
Restraint bar raised. Lower restraint bar.
Hydraulic oil viscosity too
heavy.
Allow longer warm-up or
replace with proper viscosity
oil.
Hydraulic oil level low. Check oil level in reservoir. If
oil is low, check for external
leak, repair and add oil.
Solenoid valve
malfunctioning.
Check electrical connections
to pilot solenoid and repair.
Restraint bar or seat switch
malfunctioning.
Contact your dealer.
Hydraulic cylinder
action is slow for lift
and/or tilt functions.
Low engine speed. Operate engine at higher
speed.
Hydraulic oil viscosity too
heavy.
Allow longer warm-up or
replace with proper viscosity
oil.
Hydraulic oil level low. Check oil level in reservoir. If
oil is low, check for an
external leak. Repair and add
oil.
Hydraulic oil leaking past
cylinder piston seals.
Contact your dealer.
Worn pump. Contact your dealer.
Solenoid valve
malfunctioning or one of the
two cartridges on solenoid
valve malfunctioning.
Control linkage restricted.
Check electrical connections
to pilot solenoid and repair
connections as needed. If
solenoid valve is still not
functioning properly, contact
your dealer.
Readjust linkage for full
spool travel.
Bucket does not level
on the lift cycle.
Self-leveling valve (optional)
in its cancel position,
misadjusted or
malfunctioning.
Restore self-leveling at the
cancel switch or contact your
dealer.
Jerky lift arm and
bucket action.
Seat or restraint bar switch
malfunctioning.
Contact your dealer.
Air in hydraulic system. Cycle/lift and tilt cylinders to
maximum stroke and
maintain pressure for short
time to clear air from system.
Oil in hydraulic reservoir low. Check and add oil.
Hydraulic System
Problem Possible Cause Remedy
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