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 779 of 1313
NO ALTERNATOR OUTPUT (100 AMP ALTERNATOR) - Continued
STEP
1.
DO THE ALTERNATOR DRIVE BELTS HAVE THE PROPER TENSION?
a.
Verify engine is stopped.
T0164DAA
ALTERNATOR
DRIVE BELT
Figure 1.
Alternator Drive Belt.
b.
Inspect alternator belts for damage and proper tension M939/A1 (Volume 2, WP
0297),
M939A2 (Volume 2, WP
0296).
CONDITION/INDICATION
DO THE ALTERNATOR DRIVE BELTS HAVE THE PROPER TENSION?
DECISION
NO - Adjust or replace alternator belt M939/A1 (Volume 2, WP
0297), M939A2 (Volume 2, WP
0296). Go to
Step (12) to verify problem is solved.
YES - Go to Step (2).
TM 9-2320-272-23-1
0090
0090-2
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