PRIMING FIRE PUMP

TM5--4210-224-14&P

2-15. ENGAGING FIRE PUMP.

WARNING

The vehicle is equipped with a manual transmission. A danger exists that should the operator

forget to activate the micro-lock brake control knob (24, figure 2-3), the vehicle could overcome

the parking brake and accidentally move the truck causing a hazard to personnel in the area.

Bring truck to a complete stop. With engine running at idle speed, engage parking brake (10, figure 2-2) and

micro-lock brake control knob (24, figure 2-3).

Place manual transmission gear selector (3, figure 2-2) in the neutral (N) position.

CAUTION

When vehicle is stationary, do not accelerate engine with accelerator pedal (7, figure 2-2) while

fire pump is engaged.

Depress clutch and pull pump/PTO control knob (25, figure 2-3) out to engage fire pump. Pump/PTO

engaged indicator light (26) will be illuminated when pump/PTO is engaged

2-16. PRIMING FIRE PUMP

NOTE

Priming pump operation is only necessary when using the firefighting system in a draft mode of

operation.

Start the engine as described in paragraph 2-8.

Engage the fire pump as described in paragraph 2-15.

Close all drain valves and discharge valves control knobs (figure 2-1).

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