Lock Pins Rising; Hard Steering Or Binding - Holland Fifth Wheel FW35 (XA-351) Troubleshooting Manual

FW35 (XA-351) FIFTH WHEEL
Trouble-Shooting Guide
PROBLEM: Lock pins (XA-07292-T) raising
Cause
1. Kingpin too short or improperly
installed "lube plate."
2. Too much vertical movement of
jaw(s) in casting.
PROBLEM: Hard steering or binding
Cause
1. Lack of lubrication on fifth
wheel top surface.
2. Warped trailer upper coupler
plate.
Remedy
1. Check the kingpin and upper plate
coupler as detailed in Holland Service
Bulletin XL-SB020-01. Remove any improperly
installed or improperly specified lube
plates. Refer to Holland Service Bulletin
XL-SB004-01 for lube plate warnings.
1.250
1.375
2.750
3.312
2. Shim jaw(s) in casting using Part No.
XB-05859-1 as shown in Figure 7.
NOTE: Do not shim tight. Maintain .040˝
to .060˝ free play between the lock jaw
and the casting.
Figure 7
Top of
Fifth Wheel
Plate
Fifth
Wheel
Casting
Cotter
Pin
Remedy
1. Lubricate top of fifth wheel plate using a
high pressure, lithium-based grease.
Follow recommended lubrication schedule
as described in Service Bulletin XL-SB036.
2. Check upper coupler plate for flatness.
Replace if necessary. (Refer to Service
Bulletin XL-SB020-01 for additional information
on upper coupler plate specifications.)
7
BOLSTER PLATE
2.875 DIA.
2.000 DIA.
2.815 DIA.
Lock Pin
Lock
Jaw
Spacers