TM-9-2320-279-20-2
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 2 OF 3
TM-9-2320-279-20-2 - Page 242 of 938
TM 9-2320-279-20-2
Brake and Air System Maintenance Instructions (Cont)
11-35. AIRHOSES AND FlTTINGS REMOVAL/lNSTALLATlON (CONT).
Table 11-4. Brake Airhoses
Hose
No.
From
012
Left Front Brake Chamber (48)
013
Right Front Brake Chamber (49)
387
Right Front Int. Brake Chamber (50)
388
Left Front Int. Brake Chamber (51)
016
Left Rear Brake Chamber (52)
081
Left Rear Brake Chamber (52)
081*
Right Rear Brake Chamber (56)
015
Left Rear Int. Brake Chamber (54)
022
Left Rear Int. Brake Chamber (54)
022*
Right Rear Int. Brake Chamber (56)
018
Right Rear Brake Chamber (56)
082
Right Rear Brake Chamber (56)
082*
Left Rear Brake Chamber (52)
017
Right Rear Int. Brake Chamber (57)
023
Right Rear Int. Brake Chamber (57)
023*
Left Rear Int. Brake Chamber (54)
489A
Double Check Valve, Rear (47)
664
Double Check Valve, Front (58)
660
Spring Brake Relay Valve (55) (Con)
622
Spring Brake Relay Valve (55) (Con)
621
Air Reservoir No. 2 (28)
620
Air Manifold No. 1 (35)
* For Model B brake chambers.
To
Service Brake Relay Valve (34) (Del)
Service Brake Relay Valve (34) (Del)
Service Brake Relay Valve (34) (Del)
Service Brake Relay Valve (34) (Del)
Service Brake Relay Valve (53) (Del)
Service Brake Relay Valve (55) (Del)
Service Brake Relay Valve (55) (Del)
Service Brake Relay Valve (53) (Del)
Spring Brake Relay Valve (55) (Del)
Spring Brake Relay Valve (55) (Del)
Service Brake Relay Valve (53) (Del)
Service Brake Relay Valve (53) (Del)
Service Brake Relay Valve (53) (Del)
Service Brake Relay Valve (53) (Del)
Service Brake Relay Valve (55) (Del)
Service Brake Relay Valve (55) (Del)
Service Brake Relay Valve (53) (Con)
Spring Brake Control Valve (59) (Con)
Service Brake Relay Valve (53) (Con)
Spring Brake Control Valve (59) (Del)
Spring Brake Control Valve (59) (Del)
Spring Brake Relay Valve (55) (Sup)
NOTE
There are two types of brake chambers: Model A and Model B. Both brake chambers
are removed the same way. Refer to TM 9-2320-279-24P for proper part
identification if chambers must be repaired or replaced.
Model A brake chamber has a clamp band that retains the spring brake side of
chamber. It also has the release bolt mounted at top of chamber. Model B has a
permanently sealed spring brake side of chamber. The release bolt is mounted at
middle of chamber.
Arctic brake chamber is no longer used, and has been replaced with Model B type
chamber. Replace all arctic brake chambers with the Model B type chamber if arctic
chamber needs repair or replacement. Refer to TM 9-2320-279-24P for parts
identification.
Model A rear brake chamber and arctic brake chamber are removed the same way.
11-156
Change 2
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