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 754 of 1313
STARTER MOTOR INOPERATIVE; NO SOLENOID THUMP - Continued
STEP
2.
DOES THE ENGINE START IF THE STARTER LOCKOUT IS RESET?
a.
Place battery switch to ON position.
T0707DAA
PROTECTIVE
CONTROL
BOX
PROTECTIVE
CONTROL
CONNECTOR
Figure 2.
Protective Control Box.
b.
Disconnect harness connector from protective control box.
c.
Reconnect harness connector to protective control box to reset starter lockout switch.
d.
Start engine.
CONDITION/INDICATION
DOES THE ENGINE START IF THE STARTER LOCKOUT IS RESET?
DECISION
NO - Go to Step (3).
YES - Replace alternator M939/A1 60 amp (Volume 2, WP
0300), M939A2 60 amp (Volume 2, WP
0301),
100 amp (Volume 5, WP
0780). Go to Step (15) to verify problem is solved.
TM 9-2320-272-23-1
0088
0088-3
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