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 333 of 1313
ENGINE RUNS, BUT MISFIRES - Continued
STEP
3.
IS AIR CLEANER INDICATOR IN RED ZONE?
a.
Check air cleaner indicator for fresh air restriction indication.
T0877DAA
A
Air Cleaner Indicator
A
Figure 3.
Air Cleaner Indicator.
b.
Inspect air intake stack for restrictions.
CONDITION/INDICATION
IS AIR CLEANER INDICATOR IN RED ZONE?
DECISION
YES - Perform air cleaner servicing (TM 9-2320-272-10). Go to Step (6) to verify problem is solved.
NO - Go to Step (4).
TM 9-2320-272-23-1
0012
0012-4
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