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2.
If using a pressure gauge located on the
CaviBlaster
TM
power unit, the water is adjusted as
described in step 1 above. However, pressure will
need to be higher to account for sidewall friction loss
in the pressure hose. The pressure at the pump
should be 2,200-psi plus 0.75-psi per foot of
thermoplastic pressure hose. For example, if using
the CaviBlaster
TM
with 100 feet of pressure hose, the
pressure gauge located next to the pump should
indicate 2,275-psi. Pressure adjustments are made in
the same manner as described above.
There should
always be a trickle of water through the bypass when
the Zero Thrust Gun trigger is in the open or “ON”
position.
Figure 10
3.
If adjusting the CaviBlaster
TM
without a pressure
gauge, close the pressure-regulating unloader until
there is just a trickle of water (less than ¼ gallon or 1
liter per minute) coming out of the bypass with the
Zero Thrust Gun trigger in the open or “ON” position.
Shutting down the CaviBlaster
TM
power unit:
1.
Stop the motor by depressing the red “STOP” button (Figure 8) on the motor controller.
2.
Shut off the supply of water to the pump.
3.
Squeeze the Zero Thrust Gun trigger to the open or “ON” position (Figure 9) to release the
water pressure remaining in the hose(s)
while the Zero Thrust Gun is submerged
.
4.
It is now safe to remove the Zero Thrust Gun from the water.
5.
Flush the system and rinse the power unit with fresh water at the end of the day.
Maintenance of the CaviBlaster
TM
unit:
1.
Empty and clean the inline strainer every day.
2.
Check the pressure pump oil level and consistency every day.
3.
Flush the system and rinse the power unit with fresh water after each days use.
4.
Inspect the pump drive belt every week and replace the belt when cracking appears.
