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TM 5-4320-228-13&P
Section III.
Principles of Operation
1-10.
HOW IT WORKS.
When the engine is running a shaft with attached fins (im-
peller) turns inside the pump water chamber.
This causes water
to be sucked into the chamber thru an inlet opening (port).
Water
then is discharged thru an outlet opening (port). A check valve
located in the suction port keeps water from running back out of
the pump when it is stopped.
1-5/(1-6 Blank)
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