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 445 of 1313
ENGINE OVERHEATS - Continued
STEP
10.
IS WATER PUMP WORKING PROPERLY AND NOT LEAKING?
Visually check water pump for damage or leaks.
T0408DAA
Figure 12.
Water Pump.
CONDITION/INDICATION
IS WATER PUMP WORKING PROPERLY AND NOT LEAKING?
DECISION
NO - Replace water pump M939/A1 (Volume 2, WP
0293), M939A2 (Volume 2, WP
0292). Go to Step (12) to
verify problem is solved.
YES - Go to Step (11).
TM 9-2320-272-23-1
0028
0028-14
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