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 1116 of 1500

TM 9-2320-273-20

AUXILIARY AIR-POWERED COMPONENT SYSTEMS.

9-44. DIFFERENTIAL LOCKUP CONTROL VALVE MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

2. Air lines (3) and (4).

3. Air lines (3) and (4).

4. Valve (2).

5. Engine.

6. Valve (2).

7. Engine.

a. Unscrew and remove.

b. Inspect for:

1. Cracks.

2. Leaks.

3. Damaged fittings.

Screw into valve (2) and

tighten.

Remount in instrument

panel and install two

screws (1).

Start up (see TM 9-2320-273-10).

Allow system to reach operat-

ing pressure of 105-120 psi

(724-827 kPa).

Engage, use soap solution to

check for leaks.

Shut down (see TM 9-2320-

Replace if necessary.

273-10).

NOTE

Follow-on maintenance action required:

Install differential lockup switch; refer

to para 5-83B.

9-196