TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 308 of 1417
NG80: STARTER CIRCUIT TESTS - Continued
STEP
3.
Perform starter circuit resistance test.
a.
Shut off fuel.
b.
Press TEST.
c.
When GO appears, attempt to crank engine.
T0020DAA
Figure 2.
Prompt Message.
NOTE
Error message indicates short circuit, frozen starter, or tight engine.
d.
Stop cranking engine when VTM displays OFF or an error message.
CONDITION/INDICATION
Is a number displayed?
DECISION
YES - Go to Step (5).
NO - Go to Step (4).
STEP
4.
Check VTM display.
Check if GO is displayed.
CONDITION/INDICATION
Is GO still displayed?
DECISION
YES - Try again. If GO is still displayed after crank attempt, starter not being energized, go to Step (9).
NO - Go to Step (7).
TM 9-2320-272-23-2
0202
0202-3
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