TM 9-2330-388-14
Figure 2-16. Self-filling From Source Not Under Pressure
5.
Start engine as described in para 2-11. Open
will tend to overheat. Under these conditions, bleed off a
discharge valve (outlet attachment) first and open gravity
little water at the discharge valve periodically.
discharge valve (inlet attachment) immediately after.
c.
Cold Weather Operation
6.
Fill tank.
CAUTION
7.
When tank is filled open emergency valve and
shut off gravity discharge valve.
If temperature falls below 32F (0C) water
sealed inside pipes can freeze and burst
8.
Shut off discharge valve.
pipes and/or seals.
9.
Shut off engine.
In freezing weather, when pump is not in operation, close
emergency valve and drain all water from pump, piping
10.
Disconnect external inlet hose from gravity
system and tank.
discharge valve and outlet hose from discharge valve.
2-18.
Water Dispensing Unit - Detecting Water
11.
Open discharge valve and permit enough water
Delivery Problems
to discharge to determine that flow and quantity is
normal.
CAUTION
2-17.
Special Operating Instructions
Air leaks on the suction side of the pump will
cause high engine speed In relation to pump
a.
Pumping a Large Volume
pressure. They will also cause a ragged
stream and an irregular pulsation of the
When using the pump for volume at low pressure, as in
suction and discharge hose.
filling a tank, open the throttle slowly until maximum
volume is obtained.
a.
Priming and Pump Output
b.
Running Engine When Not Emitting Water
Ordinarily, priming is not a concern as supply water from
When maintaining pressure without water flowing
the tank is at a higher level than the pump. However,
through the discharge line, as when running the pump
with the discharge valve closed, the water in the pump
2-11
