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 1157 of 1313
FRONT WHEEL DRIVE DOES NOT ENGAGE (FRONT WHEEL DRIVE LOCK-IN SWITCH ENGAGED AND
TRANSFER CASE SHIFT LEVER IN HIGH POSITION) - Continued
STEP
1.
DOES FRONT WHEEL DRIVE FUNCTION WITH TRANSFER CASE SHIFT LEVER IN LOW POSITION?
a.
Start engine.
T0338DAA
TRANSFER
CASE SHIFT
LEVER
Figure 1.
Transfer Case Shift Lever.
b.
Place transfer case shift lever in low position.
c.
Check front wheel drive operation.
CONDITION/INDICATION
DOES FRONT WHEEL DRIVE FUNCTION WITH TRANSFER CASE SHIFT LEVER IN LOW POSITION?
DECISION
NO - Go to Step (2).
YES - Go to Step (6).
TM 9-2320-272-23-1
0140
0140-2
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