SAF-HOLLAND XL-FW421-02 XA-201-A-80-L Air Release - Manual (Page 6)

Inspection – Locking Mechanism
1. Check the operation of the fifth wheel locking
mechanism using a Holland TF-TLN-5001
(2” kingpin) Lock Adjustment Tool.
2. IMPORTANT! The lock is properly closed when:
Perform the following every six months or 60,000
miles, whichever comes first. Thoroughly steam
clean all components before inspecting or
adjusting.
General Fifth Wheel Inspection
1. Inspect the fifth wheel mounting. Check torque
and replace any missing or damaged bolts.
Check for broken, worn or damaged parts,
replace as needed.
2. Thoroughly clean the fifth wheel locking
mechanism every 6 months or 60,000 miles
and relubricate (see Figure 1).
Re-check operation with TF-TLN-5001 Lock
Adjustment Tool.
3. Inspect the fifth wheel for bent, worn or broken
parts. Replace with Holland parts only.
4. Make sure the bracket pin retention bolts and
locknuts are in place and tight, as shown in
Figure 2.
Figure 2
Make sure bolt and
nut are in place and
tight (both sides)
PLUNGER
LOCK JAW
AROUND KINGPIN
PLUNGER VISIBLE
AS SHOWN
TRAILER
BOLSTER PLATE KINGPIN
LOCK
NOTCH
BEHIND
RIB à
CLOSED POSITION
Left Hand Release Shown
RIGHT!
WRONG!
Figure 3C
Figure 3B
Figure 3A
6
MAINTENANCE PROCEDURES
Required Inspections and Adjustments
OK
Do not use any fifth wheel that
does not operate properly. If your
fifth wheel does not operate properly, contact your
nearest Holland Representative for assistance.
Failure to properly operate this fifth wheel could
result in tractor and trailer separation and may
cause injury or death to others.
XL-FW421-02