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XL-FW10054UM-en-US Rev C· 2018-01-29 · 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
Difficult to Couple to Trailer:
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 pos-
sible and swing the hinged lock 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 re-lubricate 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.
Jammed safety indicator.
Inspect the release handle, if bent , replace using the
appropriate SAF-HOLLAND service kit.
Lock jaw opening is spread due to a prior
high coupling attempt.
Measure the width of the opening in the jaw. If
greater than 2.38", replace using the appropriate
SAF-HOLLAND service kit.
Top plate is damaged just below the lock
adjustment pin.
The entire fifth wheel top plate MUST be replaced.
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.
16. Troubleshooting
Summary of Contents for FWS1 Series
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