TM 9-2320-272-24-1
Table 2-4. Compressed Air and Brake System Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
24. HORN DOES NOT WORK (GAUGES AT NORMAL OPERATING PRESSURE, WARNING BUZZER NOT
SOUNDING)
Step 1. Check air supply at air electric valve (1).
Step 2. Loosen supply line (2) slowly.
a. If air is not heard escaping, repair or replace supply line (2) (TM 9-243).
b. If air is heard escaping, perform Electrical Troubleshooting, para. 2-22.
END OF TESTING!
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