Table 1. Indicator, Gauges, and Warning System Troubleshooting - continued

TM 9-2320-361-24-1

0014 00

INDICATORS, GAUGES, AND WARNING SYSTEM TROUBLESHOOTING (Contd)

Table 1. Indicator, Gauges, and Warning System Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test low air pressure switch

8. LOW AIR PRESSURE

operation. Air pressure switch should

WARNING SYSTEM

open and close between 54 and

DOES NOT COME

66 psi.

ON BELOW 60 PSI

AND DOES NOT GO

1. Turn power accessory switch

OFF ABOVE 66 PSI

to OFF position.

2. Turn air reservoir drain valve

counterclockwise and drain

reservoir (TM 9-2320-361-10)

to less than 54 psi. Close

drain valve.

3. Turn power accessory switch

to ON position. Buzzer should

operate. Warning buzzer

should turn off at 66 psi and

above.

4. Start engine

If air pressure switch fails either test

(TM-9-2320-361-10) and allow

in step 3 or 4, replace air pressure

air pressure to build up in air

reservoir.