Gehl R135, Operator'S Manual

Page: 170 / 206

166 50940193/DP0415
Auxiliary hydraulics
do not function
Restraint bar raised. Lower restraint bar.
Restraint bar switch
malfunctioning.
Check electrical connections.
Contact dealer.
Solenoid malfunctioning.
Check electrical connections.
Contact dealer.
Spool in control valve not
actuated or leaking.
Contact dealer.
Hydraulic oil leaking past seals.
Auxiliary hydraulic connections
improperly connected.
Correct hydraulic connections.
Auxiliary hydraulic control
module malfunction.
Contact dealer.
Auxiliary hydraulics
connections difficult
to connect/
disconnect
Auxiliary hydraulics circuit
under pressure.
With the engine off, but the ignition on, move
the auxiliary hydraulics control rocker switch on
the right T-bar, joystick or hand control back
and forth to relieve pressure in the auxiliary
hydraulics circuit.
Lift arm operates,
but attachment tilt
does not
Tilt solenoid valve malfunction.
Check electrical connections to solenoid; repair
as necessary.
Contact dealer.
Tilt spool in control valve not
actuated or leaking.
Contact dealer.
Control valve in float position. Move control out of float position.
Tilt cylinder malfunction.
Contact dealer.
Control valve relief valve
malfunction (Squealing noise
during operation).
Restraint bar not lowered.
Lower restraint bar.
Seat or restraint bar switch
malfunction. Check switch electrical connections; repair as
necessary.
Attachment tilt
operates, but lift arm
does not
Lift arm support engaged. Release lift arm support.
Restraint bar not lowered. Lower restraint bar.
Seat or restraint bar switch
malfunction. Check switch electrical connections; repair as
necessary.
Hydraulic oil leaking past
cylinder piston seals.
Contact dealer.
Lift solenoid valve malfunction.
Check electrical connections to solenoid; repair
as necessary.
Contact dealer.
Lift spool in control valve not
actuated or leaking.
Contact dealer.
Table 26: Hydraulic System Troubleshooting
Problem Possible Cause Corrective Action