Troubleshooting – SAF-HOLLAND XL-FW10055UM FW16 Low Lube Series Fifth Wheels User Manual
Page 23
23
English
XL-FW10055UM-en-US Rev D · 2014-01-29 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, SAF,
and logos are trademarks of SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Troubleshooting
9
POSSIBLE CAUSE
REMEDY
Attempting to couple too fast.
Couple in accordance with the procedure in Section 7.
The trailer could be too high; the kingpin
is not entering the locks 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.
Accumulated rust or grime interfering with
the lock operation.
Thoroughly clean the fifth wheel and re-lubricate in
accordance with the procedure in Section 13.
The locks are adjusted too tightly.
Check lock adjustments in accordance with the procedure
in Section 15.
The locks could be damaged.
The fifth wheel MUST be rebuilt using the appropriate
service kit.
Damaged, bent release handle.
Replace release handle using the appropriate service kit.
Bent kingpin, damaged upper coupler, or
improper use of “lube plate” could be
interfering with lock movement.
Check the kingpin and upper coupler plate 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.
Difficult to Couple to Trailer:
9
POSSIBLE CAUSE
REMEDY
The tractor could be putting pressure
against 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 re-lubricate in
accordance with the procedure in Section 13.
The locks are adjusted too tightly.
Check lock adjustments in accordance with the procedure
in Section 15.
The release handle will not stay out or MUST
be held out when unlocking.
The fifth wheel MUST be rebuilt using the
appropriate SAF-HOLLAND
®
service kit.
Missing or damaged release system parts.
The fifth wheel MUST be rebuilt using the
appropriate SAF-HOLLAND
®
service kit.
Casting bent/damaged at throat area,
restricting movement.
The entire fifth wheel top plate MUST be replaced.
Bent kingpin, damaged upper coupler, or
improper use of “lube plate” could be
interfering with lock movement.
Check the kingpin and upper coupler plate 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.
Difficult to Uncouple from Trailer:
19. Troubleshooting