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 1124 of 1500

TM 9-2320-273-20

AUXILIARY AIR-POWERED COMPONENT SYSTEMS.

9-45. AIR HORN AND CONTROL VALVE MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

26. Chain (12).

27. Engine.

28. Chain (12).

29. Valve (14).

30. Engine.

Secure other end to cab roof

with screw (10) and washer

(11).

Start up (see TM 9-2320-

273-10). Allow system to reach

operating pressure of 105-120

psi (724-827 kPa).

a. Pull.

b. Release.

Check for leaks with soap

and water solution.

Shut down (see TM 9-2320-

273-10).

Horn should

Horn should

Retighten as

NOTE

Reposition headliner, if lowered, and secure

with screws and trim washers.

blow.

stop blowing.

necessary.

9-204