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