Troubleshooting and Rebuilding Procedures for
FW0100/FW0165 SERIES
XA-101/XA-0116 SERIES
XA-101-DA
XA-0116-1
2" SAE Kingpin (Rebuild Kit RK-65012-1)
TROUBLE SHOOTING HINTS
Fifth Wheel is Hard to Hook Up to Trailer:
POSSIBLE CAUSE
The trailer may be too high; the kingpin
is not entering the locks properly.
Locks are closed.
Accumulated rust or grime
interfering with the lock operation.
The locks are adjusted too tightly.
Bent release handle or kingpin or
damaged bolster plate may be
interfering with lock movement.
The locks may be damaged.
The fifth wheel may need rebuilding.
Using lube plate with wrong kingpin
length.
Fifth Wheel is Hard to Unhook from Trailer:
POSSIBLE CAUSE
The secondary lock is not released.
The tractor may be putting pressure
against locks.
Rust or grime on the locking
mechanism.
Bent kingpin or damaged bolster
plate.
Fifth wheel locks may be adjusted
too tight.
The release handle will not stay out.
The release handle will not stay out;
pops off lug.
The release handle must be held out
when uncoupling.
Using lube plate with wrong kingpin
length.
Long plunger.
NOTE: After the fifth wheel is unlocked and moves freely from the kingpin, it is normal for the release handle to return to the "in" position.
XL-FW239-01
REMEDY
Lower the trailer landing gear.
Pull the secondary and primary release handles to the unlocked position and pry the
hinged lock open.
Spray a light lubricant or diesel fuel on all moving parts including the release
handle and operate several times.
Check lock adjustments in accordance with the procedure in this manual.
Check the kingpin with a Holland TF-0110 Kingpin Gage and bolster plate with a
48˝ straightedge. Repair/replace as required. The kingpin can be inspected in
accordance with SAE J2228.
Inspect and replace if required following the procedures in this manual.
Follow the procedures contained in this manual using the appropriate rebuilding kit.
See Holland Service Bulletin XL-SB4.
REMEDY
Pull the secondary lock release handle and lift up to engage the handle lug with the
top plate casting.
Back the tractor into the trailer to relieve the pressure and lock the tractor brakes
before pulling the release handle.
Spray a light lubricant or diesel fuel on all moving parts including the release handle
and operate several times.
Check the kingpin with a Holland TF-0110 Kingpin Gage and bolster plate with a
48˝ straightedge. Repair/replace as required. The kingpin can be inspected in
accordance with SAE J2228.
Check the lock adjustment in accordance with procedures in this manual.
Pull the release handle out and up, then release.
Replace release handle.
Build up release handle lug to hold out further or replace release lever (15) or release
handle (16).
See Holland Service Bulletin XL-SB4.
Pull the release handle to the fully extended position and hold it while someone else
attempts to uncouple. If the locks do not open under this condition, close the swinging lock
partially and grind 1/16˝ of the tip of the swinging lock. Round off after grinding.
XA-101-OA
XA-0116
3
⁄
" SAE Kingpin (Rebuild Kit RK-65013-1)
1
2
Fifth Wheels
Top Plates
1
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