TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012

TM-9-2320-273-10 - Page 104 of 452

Table 4. Engine Run Switch, Start Button, and Cigar Lighter/Utility Plug

.

1

2

3

Figure 4. Engine Run Switch, Start Button, and Cigar Lighter/Utility Plug.

Key

Control/Indicator

Function

1.

ENGINE RUN

Switch

The ENGINE RUN switch is a three-position, key

operated switch. To operate switch, insert key and turn

switch to ON position. In the ON position, power to the

ignition and accessories is connected; the low oil pressure

and parking brake warning lamps will illuminate, and if

air system pressures are below 60 psi (414 kPa), the low

air pressure lamp and warning buzzer will come on. After

starting engine and with all systems operational, the low

oil pressure lamp, low air pressure lamp, and warning

buzzer will go off. The parking brake warning lamp will

remain on until the brake is released. The engine run

switch is used to shut down the engine and disconnect

power to all accessories by turning switch to OFF

position.

2.

ENGINE START

Button

CAUTION

Do not depress and hold engine start button for

more than 15 seconds at a time. Allow two minute

intervals between cranking engine for starter motor

to cool. Once engine is running, do not depress start

button. Failure to comply may result in damage to

equipment.

The ENGINE START button is operated by depressing

and holding the button down until the engine starts.

Release button once engine starts.

3.

CIGAR

LIGHTER/Utility

Plug

The utility plug, located on the instrument cluster

adjacent to the ENGINE START button, is used as a

12V power source for accessories.

TM 9-2320-273-10

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