Figure 2-41. Pump Operator's Panel-Upper Left.

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Figure 2-40. Roof Turret Controls.

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TM-9-2320-279-10-3 M977 Series 8x8 Heavy Expanded Mobility Tactical Trucks (HEMTT) Manual

Figure 2-42. Pump Operator's Panel-Upper Center (Sheet 1 of 2).

TM 9-2320-279-10-3

Controls and Indicators (Cont)

2-91. LOCATION AND USE OF CONTROLS AND INDICATORS (CONT).

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Figure 2-41. Pump Operator's Panel-Upper Left.

Key

CONTROL OR INDICATOR

FUNCTION

Class A FOAM LEVEL Gage

Monitors level of the class A foam agent in foam

tank.

Class B FOAM LEVEL Gage

Monitors level of the Class B foam agent in

foam tank.

WATER LEVEL Gage

Monitors level of water in on-board water tank.

DRIVER MAIN INLET

Turn counterclockwise to open bleeder valve.

BLEEDER Valve

Turn clockwise to close bleeder valve.

FOAM METERING Valve

Move metering valve handle clockwise to lower

foam percentage rate; move metering valve

handle counterclockwise to raise foam

percentage rate.

FOAM CHART

Gives percentage to foam metering valve

settings.

2-18