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 960 of 1500

TM 9-2320-273-20

COMPRESSED AIR SYSTEM.

9-14. SAFETY RELEASE VALVE MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

B. TESTING (Continued).

b. Gradually increase pres-

If valve does not work

sure, Valve should ex-

properly, replace it.

haust air when pressure

reaches 145-155 psi

(1000-1069 kPa).

C. INSTALLATION.

3. Safety release valve (2).

a. Coat threads with liquid

teflon.

b. Screw into reservoir (1)

and tighten.

D. OPERATIONAL CHECK.

4. Engine.

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

b. Allow system to reach operating

pressure of 105-120 psi (724-827 kPa).

5. Safety release valve (2).

Use soap solution to check for leaks.

Tighten as necessary.

6. Engine.

Shut down (see TM 9-2320-273-10).

9-44