KINGPIN COUPLER REPLACEMENT
THIS WP COVERS:
Removal, Installation, Follow-On Task
Tools and Special Tools
Tool kit, general mechanic's (item 4, WP 0171 00)
Lifting device (item 1, WP 0171 00)
Self-locking nuts (14) (item 97, WP 0175 00)
Semitrailer disconnected from prime mover (refer
to WP 0007 00)
Semitrailer grounded (refer to WP 0007 00)
Semitrailer parked on hard level surface (refer to
Position lifting device under kingpin coupler (4).
Kingpin coupler is very heavy. Attempting to lift or maneuver
coupler by yourself could result in injury or death to personnel.
Remove 14 self-locking nuts (1), washers (2), bolts (3), and kingpin coupler (4) from semitrailer.
Discard self-locking nuts.