FW8 (XA-201) FIFTH WHEEL
Trouble-Shooting Guide
Before proceeding, verify that your fifth wheel top plate is a XA-201 model by following the 3 steps below:
• FLAT SURFACE
• NO ADJUSTMENT BOLT
• |
OPEN LOOP |
• |
CLOSED LOOP |
|
RELEASE HANDLE |
|
RELEASE HANDLE |
• |
NO BRACKET PIN |
• |
BRACKET PIN RETENTION |
|
RETENTION TAB |
|
TABS AND BOLTS |
Serial Number Tag Identification
For this troubleshooting section, the part number on the serial number tag should begin with one of the following:
•FW8
•XA-201
1
Part & Serial
Number Tag
XL-FW454-01
FW8 (XA-201) FIFTH WHEEL
Trouble-Shooting Guide
TABLE OF CONTENTS
Difficult to uncouple from trailer. . . . . . . . . . . . . . . . . . . . . . . . . . 3 – 4 Difficult to couple to trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 6 Movement within jaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Hard steering or binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 FW8 (XA-201) exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
RIGHT HAND (CURBSIDE) RELEASE
OPTIONAL
MANUAL
SECONDARY
LOCK
RK-201-A3 (Standard)
RK-201-A3-02 (w/Manual Secondary Lock)
LEFT HAND (ROAD SIDE) RELEASE
OPTIONAL
MANUAL
SECONDARY
LOCK
RK-201-A3-L (Standard)
RK-201-A3-02-L (w/Manual Secondary Lock)
2
FW8 (XA-201) FIFTH WHEEL
Trouble-Shooting Guide
PROBLEM: Difficult to uncouple from trailer
Cause
1.The primary release handle is not pulled out completely and hooked on the notch in the casting.
Remedy
1.Slide the primary release handle forward, then pull the handle out, slide it forward and hook it on the notch of the top plate casting, see Figure 1.
Figure 1
UNLOCK
NOTCH
3rd 
1st 2nd
LOCK NOTCH
2.The tractor may be puttng pressure against locks (pulling locks tight against kingpin).
3.Rust or grime build-up on locking mechanism.
4.Bent kingpin, damaged upper coupler plate or improper use of “lube plate.”
5.Fifth wheel locks adjusted too tight.
6.Release handle will not stay out and must be held out to allow uncoupling.
2.Lock the trailer brakes, then back the tractor tight against the kingpin to relieve pressure on the locks. Lock the tractor brakes. Pull release handle.
3.Thoroughly steam clean the operating mechanism of the fifth wheel, then spray a light lubricant or apply a lightweight grease on all moving parts including the release handle and release handle spring. Operate several times to work in the lubricant. Follow recommended lubrication schedule as detailed in Service Bulletin #XL-SB31.
4.Check the kingpin and upper plate coupler as detailed in Holland Service Bulletin XL-SB20. Remove any improperly installed or improperly specified lube plates. Refer to Holland Service Bulletin XL-SB4 and XL-SB4a for lube plate warnings.
5.Re-adjust fifth wheel locks following the maintenance instructions included with your FW8 fifth wheel (Holland publication XL-FW-354).
6.Fifth wheel MUST be rebuilt. Obtain the proper rebuild kit for your model top plate.
3
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