4500 SRM 971
Troubleshooting
PROBLEM
POSSIBLE CAUSE
PROCEDURE OR ACTION
The forks will not extend,
tilt, or sideshift, and there is
power steering. (Cont.)
Control valve not operating.
Clean,
repair, or replace control
valve.
Selector valve is damaged or not op-
erating.
Clean, repair, or replace selector
valve.
Auxiliary relief valve not operating.
Clean, repair, or replace auxiliary re-
lief valve.
Wiring disconnected or damaged.
Connect or repair wiring.
(W20/30ZR)
PROBLEM
POSSIBLE CAUSE
PROCEDURE OR ACTION
The forks will not extend,
tilt, or sideshift.
Extend, tilt, or sideshift buttons are
not operating correctly.
Replace buttons/switches.
Control handle not operating.
Check fuse and wire connections. Re-
pair and replace as required.
Control valve not operating.
Clean,
repair, or replace control
valve.
Selector valve is damaged or not op-
erating.
Clean, repair, or replace selector
valve.
Auxiliary relief valve not operating.
Clean, repair, or replace auxiliary re-
lief valve.
Wiring disconnected or damaged.
Connect or repair wiring.
43