TM-9-2320-283-20-2
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 2 OF 3
DECEMBER 1983
TM-9-2320-283-20-2 - Page 790 of 852
TM 9-2320-283-20-2
BRAKE SYSTEM.
3-196. TRAILER COUPLINGS, BRACKETS, AND HOSE REPLACEMENT (Continued).
LOCATION / ITEM
ACTION
REMARKS
WARNING
Never work on air system components without first
draining air pressure. Failure to follow this
precaution can result in serious personal injury.
A.
FRONT COUPLINGS AND HOSE REMOVAL.
1.
Hose assembly (2).
Remove from two items (1).
2.
Coupling (3) and
a.
Remove from item (4).
coupling (5).
b.
Remove from item (2).
3.
Hose assembly (2).
Remove from item (4).
B.
REAR COUPLINGS AND BRACKETS REMOVAL.
NOTE
Removal of the two rear trailer couplings and
brackets is similar. Removal of
right
(service) is
shown. Left (emergency) has a
male connector
in
place of elbow (18).
4.
Tube (17).
Remove from item (18).
5.
Screw (6) and nut
Remove from item (7), item
(15).
(8), and item (13).
6.
Chain (9).
Unhook from item (13).
Use pliers.
7.
Coupling assembly
Remove from item (11).
(10).
8.
Coupling (11).
Remove from item (12).
9.
Elbow (18) (on left
Remove from item (19).
side, male connec-
tor).
3-1162
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