TM 5-3825-229-14&P
2-20. PUMPING FROM OUTSIDE SOURCE TO DISCHARGE HOSE (cont)
WARNING
Be certain that all persons understand the visual signals to be used to start and stop the
flow of water to the discharge hose.
WARNING
Be certain that all persons understand how to operate the adjustable nozzle.
I.
Refer to the Valve Operation Plate on left rear fender. Refer to column titled "Pump Out Discharge" and open or
close the valves as necessary, except discharge valve which must remain closed at this time.
m. Start the water distributor engine (see para. 2-12).
CAUTION
The actual flow of water may not begin for several minutes after engine has been
started. If water is not flowing through suction hose within five minutes, shut down
engine to prevent possible damage to the pump.
n.
SLOWLY open the discharge valve by turning the valve handle counterclockwise.
CAUTION
The water distributor engine must be shut down immediately if the LOW WATER LEVEL
light on the control panel comes on at any time. This will prevent possible damage to
the water pump.
o.
The hose nozzle may be used to stop the flow of water, and is also adjustable from a straight stream of water to fog.
To adjust the nozzle, hold the portion of the red nozzle closest to you and turn the front portion of the nozzle. The
words OPEN and CLOSE and directional arrows are printed on the front half of the nozzle directly behind the black
rubber ring.
p.
When the pumping operation is complete, close the discharge valve SLOWLY by turning the valve handle fully
clockwise.
q.
Allow engine to cool down for 2 minutes before shutting down engine. To shut down the engine, flip POWER switch
at either control panel. The red POWER indicator lamp should go out and the engine should stop.
NOTE
To make starting the engine easier, the throttle should be set for a speed of 2000 rpm
before shutting down operation.
2-36
