TM-9-2320-273-20

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE

NOVEMBER 1980

TM-9-2320-273-20 - Page 1016 of 1500

TM 9-2320-273-20

BRAKE SYSTEM.

9-25. LIMITING VALVE MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

A. REMOVAL .

1. Three air lines (l).

2. Two capscrews (5), two

washers (4) and two nuts (3).

a.

b.

a.

b.

Unscrew and remove.

Inspect for:

1. Cracks.

2. Damaged fittings.

Unscrew and remove.

Remove valve (2).

Replace, if necessary.

B. INSTALLATION

.

3. Valve (2).

4. Three air lines

1).

C. OPERATIONAL CHECK.

5. Engine.

6. CAB/Brake pedal,

7. Valve (2).

8. Vehicle.

Attach to bracket (6) with

two capscrews (5), two

washers (4) and two nuts (3).

a. Coat threads with liquid

teflon.

b. Screw in and tighten.

Start up (see

TM 9-2320-273-10).

Press down.

Use soap solution to check

for leaks.

Road test. Check for even

If a new valve is installed trans-

fer all components (elbows,

adapters, etc. ) to new valve. Use

liquid teflon on threaded joints.

Second mechanic.

First mechanic. Perform

this step while brake pedal

is pressed down.

application of front brakes.

9-96