SAF-HOLLAND XL-FW10025OM 17 Series Fifth Wheel - Manual (Page 17)

17 XL-FW10025OM-en-US Rev A 08-10 Amendments and Errors Reserved. © SAF-HOLLAND, Inc.
Troubleshooting
Difficult to Couple to Trailer:
3
POSSIBLE CAUSE REMEDY
Attempting to couple too fast. Couple in accordance with the procedure in this
Owner’s Manual.
The trailer may be too high; the kingpin
is not entering the lock properly. Lower the trailer in accordance with
manufacturer’s instructions.
Lock is closed. Manually pull the release handle out as far as
possible. Lock will swing open. If air release
equipped, set tractor brakes and actuate fifth
wheel control valve to open lock.
Accumulated rust or grime interfering
with the lock operation. Thoroughly clean the fifth wheel and relubricate in
accordance with the procedure in this Owner’s
Manual.
The lock is adjusted too tightly. Check lock adjustments in accordance with the
procedure in this Owner’s Manual.
The lock may be damaged. The fifth wheel MUST be rebuilt using the
appropriate SAF-HOLLAND service kit.
Damaged, bent release handle. Replace release handle using the appropriate
SAF-HOLLAND service kit.
Bent kingpin, damaged upper coupler,
or improper use of “lube plate” may be
interfering with lock movement. Check the kingpin and upper coupler as detailed
in Holland Service Bulletin XL-SB020. Repair/
replace as required. Remove any improperly
installed or improperly specified lube plates.
Refer to Holland Service Bulletin XL-SB004-01 for
lube plate warnings.
3
POSSIBLE CAUSE REMEDY
The tractor may be putting pressure
against the locks. Lock the trailer brakes and back the tractor tightly
against the kingpin to relieve the pressure on the
fifth wheel lock, set the brakes, then pull the
release handle.
Tractor too low. Raise tractor suspension to proper ride height.
The release handle is not pulled out
completely and hooked on the notch in
the casting. Slide the release handle forward, then pull out the
handle, slide it forward, and hook it on the notch
of the top plate casting.
Accumulated rust or grime interfering
with the lock operation. Thoroughly clean the fifth wheel and relubricate in
accordance with the procedure in this Owner’s
Manual.
Difficult to Uncouple from Trailer: