2-19. OPERATING FROM WATER TANK (PUMP AND ROLL MODE).
Engage fire pump as described in paragraph 2-15.
Close all drain and valve controls.
Open tank-to-pump valve control handle (13, figure 2-1) to allow water to flow from tank-to-pump.
Turn heat exchanger control switch (20, figure 2-1) to the "ON" position.
Pull open desired discharge valve control(s).
Return to cab, depress brake pedal (8, figure 2-2). Release parking brake (10) and micro-lock brake control
(24, figure 2-3).
Depress clutch pedal (9, figure 2-2) to floor and shift transmission gear selector (4) to low gear (L) or first
While in the pump and roll mode of operation, the transmission must not be shifted while the
vehicle is in motion. Vehicle speed in the pump and roll mode should not exceed 7 MPH (11.3
km/h) . Exceeding the speed limit will cause the horn signal alarm to sound.
Release brake pedal (8, figure 2-2) and gradually depress accelerator pedal (7) to increase speed.
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.
Turn heat exchanger control switch (20, figure 2-1) to the "OFF" position.
Close discharge valves and tank-to-pump valve control handle (13, figure 2-1).
Disengage fire pump as described in paragraph 2-17.