DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS

TM 9-2320-312-10

DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS

GENERAL

Do not attempt to operate the M878A2 Yard Tractor until becoming familiar with the location and function of all operator

controls and indicators. This work package describes all operator controls and indicators.

INSTRUMENT PANEL

KEY

CONTROL OR INDICATOR

FUNCTION

Instrument and Warning Light Cluster

Contains selected gauges and warning lights that are crucial to

safe operation. Refer to Instrument and Warning Light Cluster on

page 0004 00-06 for more information.

Tachometer indicates speed of engine in rpm. Hourmeter

indicates total hours of engine operation.

Turn Signal Indicators

Left/right green light flashes whenever turn signals are flashing.

Both lights flash when hazard warning flasher is on.

High Beam Indicator

Blue light comes on when high beam headlights are on.

Speedometer/Odometer

Speedometer indicates vehicle forward speed. Odometer

indicates total distance traveled. Includes a trip meter that may be

reset.

Headlight Switch

Three-position rocker switch controls parking lights and

headlights. OFF is all the way forward. Middle position is for

parking lights and all the way back position controls headlights.