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 720 of 1500

TM 9-2320-273-20

SENDING UNITS, SWITCHING DEVICES, AND WINTERIZATION KIT.

5-81. LOW AIR PRESSURE SWITCH MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

B. INSTALLATION.

5.

6.

7.

8.

9.

C. OPERATIONAL CHECK,

10. Engine.

11. LOW AIR PRESSURE gages

(8), LOW AIR PRESSURE

indicator (9) and low air

pressure buzzer (1).

Low air pressure switch

base (7).

Low air pressure

switch (6).

Two screws (2).

Four wires (5), two washers

(4) and screws (3).

Batteries.

Coat threads with liquid teflon.

Install and tighten.

Aline and install on

Install and tighten.

Install and tighten.

base (7).

Connect per paragraph 5-37B.

Start up (see TM 9-2320-273-

10).

Verify that gages indicate low

pressure, indicator lamp comes

ON, and buzzer is activated.

5-296