TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 27 of 863
TM 9-2320-260-34-2
13-3. FIFTH WHEEL MAINTENANCE (M818) (Contd)
WARNING
7.
Eye protection must be worn when removing springs under
tension. Failure to do so may result in injury to personnel.
Remove spring (30) and cotter pin (27) from fifth wheel housing (22) and handle (1). Discard cotter
pin (27).
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
WARNING
Plunger rack is under spring tension, Keep hands clear of plunger
rack during removal, Failure to do so may cause injury to
personnel.
Release plunger rack latch (17) and allow plunger rack (19) to slide to unloaded position.
‘Remove spring (16) from plunger rack latch (17) and cotter pin (15).
Remove cotter pin (15) from fifth wheel housing (22). Discard cotter pin (15).
Remove safety wire (9), two locknuts (12), washers (13), bracket (14), and plunger rack latch (17)
from stud (21), screw (23), and fifth wheel housing (22). Discard safety wire (9) and locknuts ( 12).
Remove spring (7), plunger rack (19), screw (23), and spacer (20) from fifth wheel housing (22).
Remove screw (29), lockwasher (28), cam (26), and bushing (25) from fifth wheel housing (22).
Discard lockwasher (28).
Remove locknut (6), washer (5), screw (3), and yoke (4) from pinion gear (18). Discard locknut (6).
Remove handle (1) from fifth wheel housing (22).
Loosen jamnut (2), remove handle (1) from yoke (4), and remove jamnut (2) from handle (1).
Remove locknut (8), screw (24), washer (10), spacer (11), and pinion gear (18) from fifth wheel
housing (22). Discard locknut (8).
Remove spring (32) from two coupler jaws (31).
Remove two lubrication fittings (34), screws (35), lockwashers (36), and washers (37) from two
coupler jaws (31). Discard lockwashers (36).
Remove two coupler jaws (31), compression arm (33), and two bushings (38) from fifth wheel
housing (22).
13-4
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