TM-9-2320-428-10

TRUCK, CARGO, 8X8, M977

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009

TM-9-2320-428-10 - Page 586 of 1072

CONDITION/INDICATION

Does air reservoir, hoses, lines, fittings, and/or connectors leak?

DECISION

Air reservoir, hoses, lines and/or connectors leak. - Notify Supervisor. Test 6 - Does

buzzer stop, and air indicator light extinguish?Notify Supervisor.

Air reservoir, hoses, lines, fittings, and/or connectors OK - Test 5 - Does buzzer sound,

and air indicator light illuminate when trailer is disconnected?

TEST 5 - Does buzzer sound, and air indicator light illuminate when trailer is

disconnected?

1.

If trailer is coupled, disconnect trailer (WP 0040) from vehicle.

Figure 5.

2.

Start engine, (WP 0044) and allow air pressure to build.

3.

Check if buzzer continues to sound, and if air indicator light is illuminated.

4.

Turn engine off. (WP 0057)

CONDITION/INDICATION

Does buzzer sound, and air indicator light illuminate when trailer is disconnected?

DECISION

No - Notify Supervisor.

Yes - Problem corrected.

TEST 6 - Does buzzer stop, and air indicator light extinguish?

1.

Start engine, (WP 0044) and allow air pressure to build.

TM 9-2320-428-10

0107

0107-6