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 285 of 1313
ENGINE FAILS TO CRANK - Continued
STEP
8.
IS ENGINE SEIZED?
a.
Starter motor remove.
b.
Rotate engine at vibration damper bolt two full revolutions.
T0036DAA
Starter Motor
Figure 8.
Starter Motor.
CONDITION/INDICATION
IS ENGINE SEIZED?
DECISION
NO - Replace starter motor (Volume 2, WP
0303). Go to Step (9) to verify problem is solved.
YES - Notify supervisor that engine is seized. Action may not be possible at this level of maintenance.
STEP
9.
IS YOUR ORIGINAL ENGINE CRANK PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original engine crank problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL ENGINE CRANK PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
0006
0006-8
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