TM-9-2330-331-14-P

SEMITRAILER, FLATBED: BREAKBULK/CONTAINER TRANSPORTER, 34 TON, M872A4

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LISTS

DECEMBER 2005

TM-9-2330-331-14-P - Page 225 of 472

TM 9-2330-331-14&P

0043 00

SPRING AND RELAY VALVES REPLACEMENT - Continued

SPRING VALVE INSTALLATION

1. Treat all threads with sealing compound (sealant, silicone).

2. Install pipe fittings (1 and 6) and tees (3 and 5) to air brake chamber control valve (2). Install pipe plugs (4).

3. Install air brake chamber control valve (2), with pipe fittings and tees attached, to front air reservoir.

4. Install air lines to air brake chamber control valve (2).

RELAY VALVE REMOVAL

1. Remove two nuts (13), lockwashers (14), and relay valve (8) from valve mounting bracket (10). Discard

lockwashers

2. Remove fittings (7 and 9) from relay valve (8).

7

9

10

11

12

13

14

15

11

8

Figure 2. Relay Valve

NOTE

Step 3 is only required if valve mounting bracket is being replaced.

3. Remove two locknuts (15), washers (11), bolts (12), and valve mounting bracket (10) from trailer frame.

Discard locknuts.

0043 00-3