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 TM 9-2320-303-24-2
FIFTH WHEEL TOP PLATE REPAIR - CONTINUED
0270 00
ASSEMBLY
1.
Apply double-sided tape to two pocket inserts (32) and install on top plate.
2.
Ensure top plate mating surface is clean and dry.
3.
Install two lube plates (29) to top plate with 18 washers (30) and new locknuts (31).
4.
Tighten locknuts (31) to 156 lb-in (18 Nm).
29
29
30
31
5.
Coat pin holes of two locks (25) with antiseize compound and install two locks and spring (24) with larger opening fac-
ing toward top of top plate.
6.
Install two new pins (22) and new cotter pins (23).
7.
Install kingpin lock tester plug between two locks (25) and close locks.
NOTE
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. Refer to TM 9-237. 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.
Ensure threaded hole is up when installing shaft.
8.
Install new spring (3) and new shaft (4) on yoke (1).
9.
Install handle (21), new lock bar (19), new spring (20), and new roll pin (18).
10.
Install new washer (16), spring (15), washer (14), and cotter pin (13) on primary lock handle (17).
11.
Install primary lock handle (17) in top plate.
12.
Install new cam plate (27) on primary lock handle (17).
NOTE
Install washers with rounded sides facing away from cam plate.
13.
Install new washer (10), new roller (28), new washer (10), new screw (9), and new locknut (26) in top plate.
14.
Install new washer (2), new roller (12), new washer (2), and new screw (11) in cam plate (27).
15.
Install new lock-adjust tag (5), new rubber washer (6), new washer (7), and new nut (8) on shaft (4).
0270 00-5
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