TM-9-2320-272-23-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-1 - Page 1128 of 1313

FIELD MAINTENANCE

WARNING BUZZER FAILS TO SOUND OR FAILS TO SHUT OFF ON LOW PRESSURE (BELOW 55-65 PSI

[379-448 KPA]), AIR PRESSURE SYSTEM OPERATING NORMALLY

INITIAL SETUP:

References

WP

0110

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

WARNING BUZZER FAILS TO SOUND OR FAILS TO SHUT OFF ON LOW PRESSURE (BELOW 55-65 PSI

[379-448 KPA]), AIR PRESSURE SYSTEM OPERATING NORMALLY

STEP

NOTE

This procedure is located in the electrical troubleshooting section.

1.

Perform Warning Buzzer Fails To Sound or Fails To Shut Off on Low Pressure troubleshooting (WP

0110).

CONDITION/INDICATION

DECISION

END OF WORK PACKAGE

TM 9-2320-272-23-1

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