TM 9-2320-386-10 2-2 2-3. CHASSIS CONTROLS AND INDICATORS 1 2 3 4 5 8 6 9 7 Key Item and Function 1 Battery/accessory switch routes power to starter system, instrument panel gauges, fuel pump, and low pressure warning buzzer. 2 Throttle control sets engine speed at desired rpm without maintaining pres- sure on accelerator pedal. Throttle control locks in desired position when pulled out. Rotating control handle clockwise or counterclockwise unlocks it. 3 Windshield washer lever, when pulled up, activates spray pump. 4 Air cleaner indicator shows yellow band when engine air cleaner filter needs servicing. 5 Fuel shutoff switch activates fuel solenoid to shut off fuel flow from transfer pump and stop engine. 6 Light switch controls operation of vehicle lights. 7 Engine start switch routes electrical current to starter to crank engine. 8 Personnel heater blower switch is positioned in HIGH or LOW to control flow of forced air to personnel compartment (cab). 9 Quick-start switch is activated and held for two to three seconds to allow quick-start valve to open and fill with ether. When released, injects ether through atomizers and into air intake.