TM-9-2320-428-10

TRUCK, CARGO, 8X8, M977

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009

TM-9-2320-428-10 - Page 161 of 1072

Table 1.

Instrument Panel Controls and Indicators. - Continued

Key

Control/

Indicator

Function

10

WATER TEMP

Gauge

Displays engine coolant temperature in degrees Fahrenheit

(°F) and Celsius (°C).

AIR BRAKE

PARKING

BRAKE

TRAILER

AIR SUPPLY

EXEXEX

EXEXEX

EXEXEX

11

12

14

15

13

16

Figure 2.

11

OIL-WATER

Indicator

Illuminates (red) when engine oil pressure is too low or when

engine coolant temperature too high. Buzzer sounds at the

same time.

12

INTER-AXLE

DIFF. LOCK

Indicator

Indicator illuminates (orange) when TRACTION CONTROL

is in INTER-AXLE DIFF. LOCK position.

13

8x8 DRIVE

Indicator

Illuminates (orange) when TRACTION CONTROL is in 8x8

DRIVE position or when TRANSFER CASE is in LO.

TM 9-2320-428-10

0021

0021-3