ASI 2045 Operation And Service Manual - Page 11

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2.0 comPonent oPeRatinG inStRuctionS

2.1

Clean Closed Water System

The Closed Water System features an easy-to-fill, pressurized water bottle that enable you to provide clean water and control

the quality of water to your handpieces and air/water syringe. The water bottle is made of non-porous plastic. It is virtually

unbreakable, and it does not impart an after-taste to the water.

2.1.1 How It Works

Air, regulated to approximately 35 psi, is supplied to the water bottles through tubing attached to the bottle caps. The air

pressure in the bottle forces clean water from the water bottle into the water pick-up tube and out to the handpiece control

blocks, syringe, and auxiliary quick connects. The water system supplying water to the oral cavity is now a "closed system,"

allowing you to control water quality and water system asepsis.

2.1.2 Filling the Bottles

Locate the Closed Water System on the side of the system under the work top. Locate the toggle switch for supplying air

pressure to the bottles. Flip the switch to the OFF position to turn off the air supply to the bottles.

Unscrew the bottles and clean as appropriate. Fill the bottles with clean or distilled water to a level just below the screw

threaded portion. Re-attach the bottles and hand tighten only.

2.1.3 Operating the Closed Water System

Turn the air pressure toggle switch to the ON position. The system will now provide solution to the delivery unit and

corresponding handpieces.

2.1.4 Disinfecting the Water System

Refer to Cleaning and Disinfection Section of the Manual for disinfection of the clean water system

2.1.5 Purging Water From the System

Running compressed air through the water lines is an easy and effective way to remove water from the lines and prevent

stagnant water from residing in the lines during temporary or long term storage of the system. To purge the water, remove the

bottles and completely empty them of their liquid contents. Then replace the bottles and turn on the air pressure supply to the

bottles. Run the handpiece connections and air water syringe until there is no more water particles exiting them. The lines

will now be sufficiently dry for storage.

2.2

Air/Water Syringe

Check the flow of air, water and spray from the syringe. Press the right button for water stream. Press the left button for air.

Press both simultaneously for spray. To adjust the flow of air, turn the syringe air adjustment knob clockwise to increase,

counter-clockwise to decrease. To adjust the flow of water, turn the syringe water adjustment knob until the desired level of

flow is achieved.

2.2.1 Tip Removal and Replacement

The air/water syringe is a press ring type that is capable of accommodating metal tips or disposable tips supplied by others.

To remove the syringe tip, press down on the outside collar. When you feel a soft click, the tip may be pulled straight out.

Hold the collar down and insert the new tip. Be sure to press it all the way in, then release the collar. Test the installation by

giving a firm pull on the tip to assure that it is inserted all the way, and that the locking mechanism is engaged.

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