TM 5-3825-229-14&P
2-19. PUMPING OUT OF DISCHARGE VALVE (cont)
i.
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.
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.
j.
When the pumping operation is complete, close the discharge valve SLOWLY by turning the valve handle fully
clockwise.
k.
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.
2-20. PUMPING FROM OUTSIDE SOURCE TO DISCHARGE HOSE
WARNING
When moving the semitrailer into position near a water source be sure that the ground is
stable enough to support the weight of the fully loaded tractor-trailer, and that the
surrounding terrain is passable. When stopped, chock the wheels of both the truck-
tractor and the semitrailer. Personnel working at the water-loading site must avoid
placing themselves in a position where equipment malfunction, or sudden equipment
movement, would injure them. Failure to follow these warnings could result in severe
personal injury, death and/or equipment damage.
WARNING
The pump engine must NOT be running when the following steps are performed or
serious personal injury, death and/or equipment damage may occur.
WARNING
All personnel must wear hearing protection when the engine is operating, or permanent
hearing loss may occur.
2-32
