2
Locking Jaw in
Closed Position
Disassembly
1
2
4
3
Trip the wheel closed using a crowbar.
NEVER use hands to
trip an activated fifth wheel.
Hint:
A fifth wheel is closed when the locking jaw is
completely across the throat of the fifth wheel.
This deactivates the fifth wheel and allows the user to
perform maintenance.
Raise the yard truck boom for easy access, then remove the
air hose from the air cylinder quick release valve.
Tilt the top plate down to access the two front bolts from the
opposite side of the top plate. Remove the eight wear plate
nuts and washers. Note all eight nut locations in photo.
Remove two spring tension by removing the cotter pin with
pliers. Then remove the two spring tensioner nuts.
Hint:
You
can place a screwdriver in the main spring loop to prevent
spring from rotating when unbolting nuts (see video).
Cotter Pin
Wear Plate
Bolts (8 total)
Spring Tensioner
Nuts (2)
Air Cylinder Quick
Release Valve
Hint: If you need help with parts identification see pages 9-11.
All kits include hardware
See video at fifthwheel.com/maintenance/
Choose “Lock Assembly Replacement”
