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 TM 55-1905-220-14-2
2-201. STARTING - PORTABLE FIRE PUMP (Cont).
(11)
Let the rope (8) go. It will rewind automatically.
(12)
After the engine starts and runs a few seconds, push the choke knob (5) in.
(13)
Check pressure gage (9) to be sure water pressure is building up. This will occur approximately 20
seconds after the pump had been started, at a suction lift of 16 feet ( 5 meters).
Do not run pump more than forty-five seconds unless pressure shows on the gage. If pump is
not primed in forty-five seconds, stop engine, tighten all suction connections and hose
couplings and try again.
(14)
If the pressure gage (9) does not show a pressure build up - repeat steps through 13.
(15)
If the pressure gage (9) still does not show a pressure build up, perform steps 16 through 21.
(16)
If the pump does not prime and the suction lift is less than 16 to 20 feet (4.9 to 6.1 meters), manually
prime.
2-819
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