TOP PLATE REPAIR - CONTINUED
ASSEMBLY - CONTINUED
Tips of yoke must be flush (1/32 in) with ends of two locks. If yoke falls short, grind outside edges of
yoke tips evenly until yoke fits exactly. If yoke extends beyond two locks, build up outside edges of
yoke tops using low-hydrogen E70XX welding rod. After welding, grind beads smooth and even until
yoke fits exactly.
Ensure threaded hole is up when installing shaft.
Install new spring (24) and new shaft (23) on yoke (25).
Install handle (22), new lock bar (21), new spring (20), and new roll pin (19).
Install new washer (18) on primary lock handle (16).
Install primary lock handle (16) in top plate (17).
Install new cam plate (14) on primary lock handle (16).
Install washers with rounded sides facing away from cam plate.
Install new washer (15), new roller (13), new washer (12), new screw (11), and new lock nut (10) in top plate (17).
Install new washer (9), new roller (8), new washer (7), and new screw (6) in cam plate (14).
Install new lock-adjust tag (5), new rubber washer (4), new washer (3), and new nut (2) on shaft (23).
Locks must be closed while adjusting to ensure contact is made with locks, yoke, and top plate. Failure to do
so will result in loss of trailer and possible injury to personnel.
Tighten nut (2) until plug fits snugly, but can just be rotated by hand.
Open two locks (1) and remove kingpin lock tester plug.
Install top plate (WP 0093 00).
Lubricate fifth wheel (TM 9-2320-302-10).
Adjust fifth wheel (TM 9-2320-302-20).
END OF WORK PACKAGE