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 1252 of 1313

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

Continued

CONDITION/INDICATION

IS WHEEL VALVE FILTER OBSTRUCTED?

DECISION

YES - Replace wheel valve filter (Volume 3, WP

0486). Go to Step (11) to verify problem is solved.

NO - Perform wheel valve maintenance front (Volume 3, WP

0490), rear (Volume 3, WP

0491). Go to Step (11)

to verify problem is solved.

STEP

11.

IS YOUR ORIGINAL PROBLEM STILL PRESENT?

a.

Ensure vehicle is returned to normal operating condition.

b.

Check to see if your original problem still exists.

CONDITION/INDICATION

IS YOUR ORIGINAL PROBLEM STILL PRESENT?

DECISION

YES - Notify supervisor.

NO - Problem fixed.

END OF WORK PACKAGE

TM 9-2320-272-23-1

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