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 875 of 1313
AIR PRESSURE GAUGE INOPERATIVE - Continued
STEP
1.
DOES AIR PRESSURE GAUGE HAVE AIR SUPPLY?
a.
Check air supply at air pressure gauge.
b.
Refer to point to point schematics.
T0629DAA
Figure 1.
Air Pressure Gauge.
c.
Make sure air pressure is at normal operating pressure and warning buzzer is not sounding.
d.
Loosen air supply line from defective air pressure gauge very slowly and listen for air escaping.
CONDITION/INDICATION
DOES AIR PRESSURE GAUGE HAVE AIR SUPPLY?
DECISION
YES - Go to Step (2).
NO - Notify supervisor. It is possible another troubleshooting work package applies.
TM 9-2320-272-23-1
0102
0102-2
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