Section 16 - Troubleshooting - Holland FWS1 Series Owner's Manual

16. Troubleshooting
Difficult to Couple to Trailer:

POSSIBLE CAUSE
Attempting to couple too fast.
The trailer may be too high; the kingpin
is not entering the lock properly.
Lock is closed.
Accumulated rust or grime interfering
with the lock operation.
The lock is adjusted too tightly.
The lock may be damaged.
Damaged, bent release handle.
Jammed safety indicator.
Lock jaw opening is spread due to a prior
high coupling attempt.
Top plate is damaged just below the lock
adjustment pin.
Bent kingpin, damaged upper coupler,
or improper use of "lube plate" may be
interfering with lock movement.
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.
REMEDY
Couple in accordance with the procedure in this
Owner's Manual.
Lower the trailer in accordance with manufacturer's
instructions.
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.
Thoroughly clean the fifth wheel and re-lubricate in
accordance with the procedure in this Owner's Manual.
Check lock adjustments in accordance with the
procedure in this Owner's Manual.
The fifth wheel MUST be rebuilt using the appropriate
SAF-HOLLAND service kit.
Replace release handle using the appropriate
SAF-HOLLAND service kit.
Inspect the release handle, if bent , replace using the
appropriate SAF-HOLLAND service kit.
Measure the width of the opening in the jaw. If
greater than 2.38", replace using the appropriate
SAF-HOLLAND service kit.
The entire fifth wheel top plate MUST be replaced.
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.
Troubleshooting
17