INSTALL NEW SPRING (11) AND NEW SHAFT (12) ON YOKE (10).
INSTALL HANDLE (13), NEW LOCK BAR (14), NEW SPRING (15), AND NEW ROLL PIN (16).
INSTALL NEW WASHER (17) ON PRIMARY LOCK HANDLE (18).
INSTALL PRIMARY LOCK HANDLE (18) IN TOP PLATE (3).
INSTALL NEW CAM PLATE (19) ON PRIMARY LOCK HANDLE (18).
TIGHTEN NUT (32) UNTIL PLUG (P/N TF-0237) FITS SNUGLY, BUT CAN JUST BE ROTATED BY
OPEN TWO LOCKS (2) AND REMOVE PLUG (P/N TF-0237).
INSTALL PLUG (P/N TF-0237) BETWEEN TWO LOCKS (2) AND CLOSE TWO LOCKS (2).
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 tips using low-hydrogen E70XX
welding rod. After welding, grind beads smooth and even until yoke fits exactly.
INSTALL NEW YOKE (10) WITH THREADED HOLE UP AND TAP INTO PLACE.
Make sure threaded hole is up when installing shaft.
Install washers with rounded side facing away from cam plate.
INSTALL NEW WASHER (20), NEW ROLLER (21), NEW WASHER (22), NEW SCREW (23), AND
NEW LOCK NUT (24) IN TOP PLATE (3).
INSTALL NEW WASHER (25), NEW ROLLER (26), NEW WASHER (27), AND NEW SCREW (28) IN
CAM PLATE (19).
INSTALL NEW LOCK-ADJUST TAG (29), NEW RUBBER WASHER (30), NEW WASHER (31), AND
NEW NUT (32) ON SHAFT (12).
W A R N I N G
Locks must be closed while adjusting to make sure contact is made with
locks, yoke, and top plate. Failure to do so will result in loss of trailer and
possible injury to personnel.
Install top plate (page 20-12).
Lubricate fifth wheel (TM 9-2320-363-20).
Adjust fifth wheel (TM 9-2320-363-20).
Change 1 20-19