TM 9-2320-279-34-2
Frame Maintenance Instructions (Cent)
[13-34. FIFTH WHEEL REPAIR – 2-INcH (51 MM) KINGPIN (M983) (CONT). {
(25)
(26)
(2?)
(28)
(29)
Soldier A and Soldier B turn plate (2) over.
Place kingpin (34) of lock tester in open
lockjaws (3).
Place lever (35) over front of plate (2).
Push down on kingpin (34) and pull lever (35)
to lock fifth wheel.
Check that ends of yoke (7) are flush with
ends of lockjaws (3).
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(30) Tighten or loosen nut (15) until rubber
washer (14) seats snugly against fifth wheel
when lockjaws (3) are closed on kingpin (34)
of lock tester.
(31) Turn nut (15) counterclockwise to allow
yoke (7) to move in and tighten lockjaws (3)
on kingpin (34).
(32) Turn nut (15) clockwise to pull yoke (7) out of
loosened Iockjaws (3).
(33) Position bar (36) against fifth wheel cross
tie (37) and pry toward rear to open
lockjaws (3) and release kingpin (34).
(34) Repeat steps (25) through (32) to verify
adjustment.
d. Follow-on Maintenance. None.
END OF TASK
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