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 936 of 1313
LOW AIR PRESSURE WARNING BUZZER WILL NOT SHUT OFF (AIR PRESSURE GAUGES AT NORMAL
SYSTEM PRESSURE) - Continued
CONDITION/INDICATION
IS WIRE 578 IN GOOD CONDITION?
DECISION
NO - Repair or replace wire 578 (Volume 3, WP
0352). Go to Step (6) to verify problem is solved.
YES - Replace failsafe warning control module (Volume 2, WP
0336). Go to Step (6) to verify problem is solved.
STEP
6.
IS YOUR ORIGINAL WARNING BUZZER PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original warning buzzer problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL WARNING BUZZER PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
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