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 252 of 1184

B.O

SELECT

INTER

AXLE

8X8

B.O

LIGHTS

HIGH

IDLE

M

M

CHEM

ALARM

HYD

ENABLE

AUX

HYD

GPFU

\/

Select

/\

0-Gauge Test

2-LCD Test

1-Lamp Test

2

3

Figure 12.

d.

Scroll down using M button (2) or up using T button (3) until '1-Lamp Test' is selected

(shown).

e.

Press M button (2) and T button (3) together to begin testing warning and indicator

lamps. Each warning and indicator lamp on main gauge/instrument panel is turned

on and off in turn. LCD (1) displays corresponding warning or indicator lamp under

test (high beam indicator test shown).

B.O

SELECT

INTER

AXLE

8X8

B.O

LIGHTS

HIGH

IDLE

M

M

CHEM

ALARM

HYD

ENABLE

AUX

HYD

GPFU

High Beam

ON

EXIT

High Beam

OFF

EXIT

2

1

3

Figure 13.

f.

Press M button (2) to end test and return LCD (1) to drive mode screen.

g.

Contact field level maintenance to replace main gauge/instrument panel if warning

or indicator lamp fails to illuminate as indicated by LCD (1).

NOTE

Instrument panel LCD is used as part of test procedure. If LCD is un-

readable during any part of test, it should be considered defective and

replaced.

5.

Instrument Panel Liquid Crystal Display (LCD) Testing.

TM 9-2320-346-10

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