TM-9-2320-279-34-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3

TM-9-2320-279-34-2 - Page 373 of 632

TM 9-2320-279-34-2

Frame Maintenance Instructions (Cent)

[13-34. FIFTH WHEEL REPAIR – 2-

IN

c

H

(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).

TA189407

(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

TA189409

13-102