Figure 1-2. Pumping assembly Left rear, three-quarter view.

TM 5-4320-273-14

Check valve assembly

Battery box

Oil filler cap

Tool box

Primer fill cap

Fire extinguisher

Pump

Strainer

Oil filter

Figure 1-2. Pumping assembly Left rear, three-quarter view.

the suction assembly and male adapters secured to

The centrifugal pump is a conventional

b. Pump.

the gate valves in the discharge assembly provide for

type, self-priming unit designed to deliver 350 gallons

quick-connecting/disconnecting of hose assemblies.

per minute (gpm) with a 270-foot dynamic head. The

c. Engine. The engine is a V-type, four-cylinder,

p u m p impeller is threaded onto the engine

four-cycle unit with an L-head. It is pressure-

crankshaft. The piping arrangement includes a 4-

lubricated and is cooled by a flow of air which is cir-

inch (10-cm) suction assembly consisting primarily of

culated over the cylinders and heads of the engine by

a strainer, manifold, and two gate valves and a 4-inch

a combination fan-flywheel encased in a sheet metal

(lo-cm) discharge assembly consisting primarily of an

shroud. The engine uses an electrical starting motor

air eliminator, check valve, manifold, and two gate

and has magneto ignition. Engine speed is controlled

valves. Female couplers secured to the gate valves in

Change 2 1-3