4.3.2 Priming the System Using the Feed Pump System
Attention to priming the system is necessary. The feed water suction hose inlet
connection is located on the water connection panel (See Figure 2.2). The (clear)
suction hose should be straight and at a slight downward angle from the inlet
connection on the water connection panel, with no “humps” in the hose so that trapping
of air pockets and creating an air lock is minimized. During the priming cycle the suction
hose should always remain below the height of the inlet connection unless connecting
with a positive pressure water source.
Note: Assure that no air is trapped in the feed hose to cause an air lock leading to the
feed pump.
The feed pump system is fully capable of self-priming. The feed pump should be
charged with water to more effectively draw from the source. It is suggested a positive
pressure water source be utilized to initially charge the feed pump system.
Note: The feed pump may require upwards of 5 to 7 minutes to draw sufficient water to
prime the system before starting the main pump system.
Once fully primed should a restart be needed, confirm priming is complete, without
trapped air pockets.
4.3.3 Three water supply conditions are acceptable for the CaviBlaster
power unit.
a) Forced inlet water condition using the supplied electric water pump.
b) An outside water source capable of supplying a minimum of 40 GPM (150
LPM) at a
maximum pressure of 50-PSI (3.5 BAR)
.
c) Gravity feeding water source (See Figure 4.3). Use a hose with a diameter of
at least 1-1/2” to connect the water tank to the power unit water inlet.
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