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FW35 (XA-351) FIFTH WHEEL
Trouble-Shooting Guide
Cause
3. Attempting to couple too fast.
4. Excess accumulation of rust or
grime is interferring with lock
operation.
5. Damaged, bent release handle.
6. Damaged, bent yoke shaft from
improper coupling (see Figure 4).
PROBLEM: Difficult to couple to trailer (con’t.)
Remedy
3. Slowly back the tractor up to the
trailer. Pick up the trailer with the fifth
wheel. STOP. Then continue backing
until the fifth wheel locks firmly to the
kingpin. Stopping helps prevent hitting
the kingpin too hard.
4. Thoroughly clean the fifth wheel then
relubricate all moving parts including
the cam plate, yoke, lock pins, and
release handle and spring, as described
in Holland Service Bulletin XL-SB036-01.
Operate several times to work in the
lubricant. Follow recommended
lubrication schedule as detailed in
Service Bulletin XL-SB036-01.
5. Replace release handle using rebuild
kit RK-08415-1.
6. Inspect for kingpin damage (impact)
(see Figure 5). If damaged, rebuild fifth
wheel with the proper Holland rebuild kit.
BACK INTO TRAILER
SLOWLY
➠
➠
➠
➠
➠
DO NOT
BACK INTO
TRAILER FAST
Trailer
Improper coupling attempt.
Severely misaligned trailer
kingpin and fifth wheel.
Figure 5