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 1250 of 1313

SYSTEM FAILS TO DEFLATE, PARTIALLY DEFLATES, OR TIRE PRESSURES ARE IMBALANCED -

Continued

b.

Identify any tire that does not deflate properly.

c.

Manually inflate tires identified in the previous step to 80 psi (552 kPa).

d.

For each tire inflated in the previous step, disconnect hose assembly from wheel valve and note

consistency of air escaping from wheel.

e.

Repeatedly fill tire with dry air and deflate until air flow from hose connected to wheel is steady.

CONDITION/INDICATION

DOES AIR FLOW STEADILY FROM TIRE DURING DEFLATION?

DECISION

YES - Go to Step (11) to verify problem is solved.

NO - Go to Step (10).

TM 9-2320-272-23-1

0148

0148-11