165
50940193/DP0415
Attachment tilts
down with tilt control
in neutral
Oil leaking past tilt cylinder
seals (internal or external).
Contact dealer.
Oil leaking past lift spool in
control valve.
Self-leveling valve malfunction.
Leaking hydraulic hoses, tubes
or fittings between control valve
and cylinders.
Repair as required.
Attachment does not
self-level when lift
arm is raised
Self-leveling valve malfunction. Contact dealer.
Self-leveling is deactivated.
Activate self-leveling. See “Self-Leveling
Cancel” on page 102.
Lift arms move down
with lift control in
neutral
Oil leaking past lift cylinders
seals (internal or external).
Contact dealer.
Oil leaking past lift spool in
control valve.
Self-leveling valve
malfunctioning.
Leaking hydraulic hoses, tubes
or fittings between control valve
and cylinders.
Repair as required.
Lift arm does not
raise/lower
Lift spool in control valve not
actuated or leaking.
Contact dealer.
Hydraulic oil leaking past
cylinder piston seals.
Lift arm support engaged.
Release lift arm support.
Lift solenoid valve malfunction.
Check solenoid electrical connections; repair
as necessary.
Restraint bar not lowered.
Lower restraint bar.
Seat or restraint bar switch
malfunction.
Check switch electrical connections; repair as
necessary.
Lift and/or tilt
functions
inconsistent/jerky
Air in hydraulic system.
Cycle lift and tilt cylinders to maximum stroke
and maintain pressure for short time to clear air
from the hydraulic system. Also check for low
oil level in reservoir; see “Checking Hydraulic
Oil Level” on page 143. Top off as necessary.
Low hydraulic oil level.
Top off hydraulic oil. See “Checking Hydraulic
Oil Level” on page 143. See “Fluid Capacities/
Lubricants” on page 183 for proper oil grade.
Cylinder(s) malfunction.
Contact dealer.
Seat or restraint bar switch
malfunction.
Check electrical connections to switches.
Repair as required.
Table 26: Hydraulic System Troubleshooting
Problem
Possible Cause
Corrective Action
Содержание R135
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