TM-9-2320-346-10

TRUCK, COMMON BRIDGE TRANSPORT (CBT), 8X8 M1977A4 W/WINCH AND M1977A4 W/O WINCH

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-346-10 - Page 387 of 1184

a.

Using the up arrow button (4) or down arrow button (5), adjust the digital display

window (6) until top gear of desired transmission operating range is displayed:

NOTE

•

Use up or down arrow buttons to adjust gear settings as

required.

•

Once the arrow buttons are used, the transmission will not

upshift past the gear range displayed in the transmission range

selector digital display, but will downshift normally.

•

Press the D (drive) button to return transmission to normal

function (using all gears).

(1) 4 (fourth), 3 (third), or 2 (second) gear range to:

(a) Drive vehicle in off-road conditions. (WP 0056)

(b) Drive vehicle in city traffic and on highway. (WP 0055)

(c) Haul a heavy load.

(d) Drive down moderate grades.

(e) Drive in other conditions as needed.

(2) 1 (first gear range) when:

(a) Maximum pulling power is required.

(b) Drive vehicle up/down steep grade. (WP 0057)

(c) Drive vehicle in slippery conditions. (WP 0058)

OPERATE TRANSFER CASE

1.

Start engine. (WP 0047)

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