TM 9-2320-279-20-2
11-160.12
Change 5
Brake and Air System Maintenance Instructions (Cont)
11-35.1. AIRHOSES AND FITTINGS REPLACEMENT (VEHICLES WITH DDEC IV
ENGINE, ELECTRIC WINDSHIELD WIPERS, AND AIR-RIDE SEATS) (CONT).
Table 11-9. Brake Airhoses
Hose
No.
From
To
012
Left Front Brake Chamber (51)
Service Brake Relay Valve (Del) (26)
013
Right Front Brake Chamber (52)
Service Brake Relay Valve (Del) (26)
387
Right Front Int. Brake Chamber (53)
Service Brake Relay Valve (Del) (26)
388
Left Front Int. Brake Chamber (54)
Service Brake Relay Valve (Del) (26)
016
Left Rear Brake Chamber (55)
Service Brake Relay Valve (Del) (20)
081
Left Rear Brake Chamber (55)
Spring Brake Relay Valve (Del) (40)
081*
Right Rear Brake Chamber (56)
Spring Brake Relay Valve (Del) (40)
015
Left Rear Int. Brake Chamber (57)
Service Brake Relay Valve (Del) (20)
022
Left Rear Int. Brake Chamber (57)
Spring Brake Relay Valve (Del) (40)
022*
Right Rear Int. Brake Chamber (58)
Spring Brake Relay Valve (Del) (40)
018
Right Rear Brake Chamber (56)
Service Brake Relay Valve (Del) (20)
082
Right Rear Brake Chamber (56)
Service Brake Relay Valve (Del) (20)
082*
Left Rear Brake Chamber (55)
Service Brake Relay Valve (Del) (20)
017
Right Rear Int. Brake Chamber (58)
Service Brake Relay Valve (Del) (20)
023
Left Rear Int. Brake Chamber (57)
Spring Brake Relay Valve (Del) (40)
023*
Right Rear Int. Brake Chamber (58)
Spring Brake Relay Valve (Del) (40)
489A
Double Check Valve, Rear (46)
Service Brake Relay Valve (Con) (20)
664
Double Check Valve, Front (44)
Spring Brake Control Valve (Con) (21)
660
Spring Brake Relay Valve (Con) (40)
Service Brake Relay Valve (Con) (20)
622
Spring Brake Relay Valve (Con) (40)
Spring Brake Control Valve (Del) (21)
621
Air Reservoir No. 2 (18)
Spring Brake Control Valve (Res) (21)
620
Air Manifold No. 1 (28)
Spring Brake Relay Valve (Sup) (40)
* For Model B brake chambers.
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.