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Wrong, Right, Maintenance procedures – SAF-HOLLAND XL-FW492 FW83 and XA-231 FleetMaster LowLube Series Fifth Wheel User Manual

Page 19: Required inspections and adjustments, Inspection – locking mechanism, General fifth wheel inspection

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XL-FW492 Rev D

19

MAINTENANCE PROCEDURES

continued

Inspection – Locking Mechanism

1. Check the operation of the fifth wheel

locking mechanism using a Holland

TF-TLN-5001 (2” kingpin) Lock

Adjustment Tool. Inspect for proper

locking as described in the “Fifth
Wheel Operating Instructions”
section of
this manual.

2. IMPORTANT! The lock is properly

closed when:

Required Inspections and
Adjustments

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 on page 18). Re-check
operation with TF-TLN-5001 Lock

Adjustment Tool.

3. Inspect the fifth wheel for bent, worn

or broken parts. Replace with only

Holland Genuine Parts.

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

CLOSED POSITION

UNLOCK

NOTCH

Left Hand Release Shown

WRONG!

Figure 3C

Figure 3B

Figure 3A

RIGHT!

Do not use any fifth wheel that does not

operate properly. If your fifth wheel does

not operate properly, contact your

nearest SAF-HOLLAND representative

for assistance.

Failure to properly
operate this fifth wheel

may cause tractor and trailer separation
which, if not avoided, could result in death
or serious injury.

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