TM-9-2320-338-10

TRUCK, CARGO, 8X8, M977A4

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-338-10 - Page 795 of 1120

OPERATOR MAINTENANCE

TRANSFER CASE SHIFT LEVER WILL NOT SHIFT

INITIAL SETUP:

Equipment Condition

Engine OFF. (WP 0057)

Parking brakes applied. (WP 0056)

Wheels chocked. (WP 0072)

TROUBLESHOOTING PROCEDURE

TRANSFER CASE SHIFT LEVER WILL NOT SHIFT

TEST 1 - Does transfer case shift lever shift when transmission is shifted from Neutral

(N) to Drive (D)?

1.

Start engine (WP 0044)

2.

Move transmission range selector from Neutral (N) to Drive (D). Apply throttle to roll

vehicle slightly, and shift transmission from (D) to (N). As vehicle stops, shift

TRANSFER CASE shift lever.

Allison

Transmission

8X8

TRAILER

AIR SUPPLY

PUSHT

M

M

TRANSMISSION

RANGE

SELECTOR

TRANSFER

CASE

SHIFT LEVER

Figure 1.

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