Operation
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Hydrant operation
7.5 Hydrant operation
NOTICE
Damage to the pump system due to use of contaminated water!
Contaminated water can cause damage to the pump due to deposits.
Before connecting the pressure hoses to the hydrant, open the hydrant
and allow water to escape until only clean water flows.
► Bring the portable fire pump into a good position in relation to the water
source.
Observe the inclination of the engine (max. 35° in the direction of
the suction inlet and operator, and 15° in the direction of the radi-
ator and exhaust).
Do not place the pump on anything flammable (grass, leaves,
straw, etc.).
► Connect pressure hoses to the pressure outlets (J11).
► Connect pressure hoses from the hydrant to the external drafting con-
nection (J15).
► Open pressure outlets (J10).
► Slowly open the hydrant valve
► Starting the pump engine - see "Starting the engine".
► Increase speed using the dial (S15a) until the desired pressure is
reached.
Hydrant operation via the pump pressure governor with intake pres-
sure monitoring system (optional)
► Start up the portable fire pump as described in the chapter "Hydrant
Operation".
► Activate the pump pressure governor by pressing the dial (S15a). The
intake pressure monitoring system activates as soon as an intake
pressure of 1.5 bar is achieved for the first time. The discharge pres-
sure is reduced as soon as the intake pressure falls below 1.5 bar, thus
preventing the pressure hose from being sucked empty at the pressure
inlet.
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