TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 251 of 1176

TM 9-2320-361-24-1

0014 00

0014 00-15

INDICATORS, GAUGES, AND WARNING SYSTEM TROUBLESHOOTING (Contd)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

8. LOW AIR PRESSURE

WARNING SYSTEM

DOES NOT COME

ON BELOW 60 PSI

AND DOES NOT GO

OFF ABOVE 66 PSI

Test low air pressure switch

operation. Air pressure switch should

open and close between 54 and

66 psi.

1. Turn power accessory switch

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

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

air pressure to build up in air

reservoir.

If air pressure switch fails either test

in step 3 or 4, replace air pressure

switch (WP 0108 00).

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