Caviblaster 0520-G Bedienings- en onderhoudshandleiding - Pagina 8

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Operating the CaviBlaster® system:

1. When the diver is ready to commence cleaning operations, ensure that the gun is submerged in

water. Then move the throttle lever up to adjust the engine RPM to "MAX".

2. Ensure that the power unit operator and other persons working in the vicinity of the power unit

wear appropriate hearing protection when the engine is running. If the diver is not wearing a

helmet, hearing protection is recommended. CaviDyne™ recommends "Doc's Proplugs" vented

earplugs or equivalent for diver hearing protection.

3. Activate the cleaning cavitation stream by squeezing the trigger to the open or "ON" position.

4. The most efficient operating technique is to hold the gun 2-3 inches away from the surface to be

cleaned and at a 25° to 45° angle to the surface being cleaned. Placing the gun closer than 2-3

inches from the surface being cleaned will not allow for efficient cavitation performance and will

degrade the cleaning capability of the system. (Figure-18).

5. Wear neoprene or rubber gloves to protect the hands and follow all safety regulations that may

be applicable to the work being performed.

6. If the diver operating the unit must be replaced or the cleaning operation must be interrupted or

terminated, shut down the engine by moving the throttle lever down to adjust engine RPM to

"MIN" (Figure 16) and turning the engine to the "OFF" position (figure 12). Turn off the water feed

and then release the water pressure in the hose(s) by squeezing the gun trigger to the open or

"ON" position

replacement diver is ready to continue cleaning.

7. Ensure that the gun is submerged any time the engine and pressure pump are operating.

Adjusting the CaviBlaster® system for maximum performance:

Recommended Calibration Method

1. Using the optional calibration pressure gauge set, situated between the pressure hose and the

CaviBlaster® gun, the output water pressure should be adjusted to 2,000 PSI, with the gun

submerged and the gun trigger in the open or "ON" position. The pressure is adjusted by turning

the black knob on the end of the pressure-regulating unloader (Figure 19). This adjustment

increases or decreases the flow of water through the bypass hose when the CaviBlaster® gun

trigger is in the open or "on" position. The flow of water through the bypass hose, in turn,

determines the flow of water through the pressure hose and the gun. Less flow through the

bypass hose means more flow through the gun which translates to higher velocity and pressure.

There should always be a trickle of water through the bypass when the gun trigger is in the open

or "ON" position. This ensures that the bypass will open without a pressure shock wave damaging

the pump when the gun trigger is released to the closed position.

while under

water. Revert back to step 1 of the operating instructions when the