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 674 of 1313
WRECKER HYDRAULIC SYSTEM DOES NOT OPERATE - Continued
STEP
2.
DOES POWER TAKEOFF ENGAGE?
Engage power takeoff (TM 9-2320-272-10).
T0872DAA
Figure 2.
Power Takeoff Controls.
CONDITION/INDICATION
DOES POWER TAKEOFF ENGAGE?
DECISION
YES - Go to Step (3).
NO - Replace transmission power takeoff (Volume 4, WP
0728). Go to Step (5) to verify problem is solved.
TM 9-2320-272-23-1
0072
0072-3
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