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Shut-Down Procedures At The End Of The Day; Weekly Maintenance; Water Line Filter Maintenance; Air Supply Line Filter Maintenance - DENTSPLY Cavitron JET Plus Installation And Service Manual

Ultrasonic scaler & air polishing prophylaxis system
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6.
Inspect the handpiece cable for any breaks or tears.
7.
If using a closed water supply or DualSelect Dispensing
System, check for adequate fluid volumes for the next
patient.
8.
Check the powder bowl for sufficient powder for the
next procedure.
9.
When ready to use, place a sterilized JET-Mate
Handpiece onto the handpiece cable assembly and
insert a sterilized ultrasonic insert or air polishing
insert into the handpiece and adjust system controls as
preferred.
*NOTE: Water-based disinfection solutions are
preferred. Some alcohol-based disinfectant
solutions may be harmful and may discolor
plastic materials.
SHUT-DOWN PROCEDURES AT THE
END OF THE DAY:
1. Follow the "Between Patients" maintenance procedures,
Steps 1 through 6. In addition, it is recommended to
close the manual shut-off valve on the dental water
supply system.
2. Unscrew the powder bowl cap.
3. Remove the powder bowl from the cabinet and discard
the unused powder.
4. Holding the open end of the powder bowl away from
you, activate the system for 15 seconds to clear the
bowl. A high volume evacuator can be used to remove
any residual powder.
5. Remove the o-ring seal from the powder bowl cap and
using a soft dry cloth, wipe residual powder from the
cap, the o-ring and the powder bowl threads. Be
careful not to scratch or otherwise damage the cap.
6. Return the o-ring to the cap and secure the cap on the
powder bowl.

9.2 Weekly Maintenance

Remove residual prophy powder from the cap and bowl
threads using a soft brush (toothbrush). If not removed,
caked powder in threads can result in thread wear and
powder bowl cap disengagement.
It is strongly recommended that this system be
disinfected by chemically flushing the waterlines with
a 1:10 Sodium Hypochlorite solution (NaOCl) at the
end of each week. This can be accomplished by
connecting this device to the Cavitron DualSelect
Dispensing System or a number of other devices
available from your local distributors. Where this device
is connected to the Cavitron DualSelect Dispensing
System, please follow the DualSelect system's Directions
for Use manual. If connected to another device, please
follow those directions for use, keeping in mind that
a chemical flush should be performed at maximum water
flow for at least 30 seconds. The system should be left
undisturbed for 10 minutes but no more than 30 minutes
to allow the sodium hypochlorite solution to soak in the
lines. As a suggestion, it is recommended that a sign
be placed on the system stating that the SYSTEM IS
BEING DISINFECTED WITH A STRONG DISINFECTANT
AND SHOULD NOT BE USED. When ready, flush system
with clean water for at least 30 seconds or until sodium
hypochlorite odor disappears. ALL CHEMICALS MUST
BE FLUSHED FROM THE SYSTEM BEFORE IT IS READY
FOR PATIENT USE.

9.3 Water Line Filter Maintenance

When the water line filter becomes discolored, the filter
should be replaced to prevent reduced water flow to the
system. A 10-pack of replacement filters is available by
ordering Part Number 90158 from your local DENTSPLY
Professional distributor.
1.
Verify that the system is turned OFF.
2.
Disconnect the water supply hose from the dental
office water supply. If a quick disconnect connector is
attached to the end of the hose, relieve the water
pressure by pressing the tip of the connector in an
appropriate container and drain the water.
3.
Grasp the fittings on either side of the filter disk and
twist counterclockwise. Remove the filter section
from either side of the water hose.
4.
Install the replacement filter onto the water hose
fittings. The filter should be positioned to match up
with the correct hose fitting.
5.
Hand tighten the two hose fittings in a clockwise
direction. Reconnect the water supply line, operate
unit to bleed the air and test for leaks.

9.4 Air Supply Line Filter Maintenance

Water build up in the air supply line filter should be drained.
This can be accomplished by turning the knob on the bottom
of the filter counterclockwise to open. After draining, turn
the knob fully clockwise to close. If the inner filter element
becomes discolored or dirty, a new filter assembly should
be installed. Replacement filter assemblies are available by
ordering Part Number 90088 from your local DENTSPLY
Professional distributor.
1.
Verify that the system is turned OFF.
2.
Disconnect the air supply line from the dental office air
source.
3.
Using pliers or a wrench, loosen the nuts on the side
fittings of the filter. Unscrew the nuts and slide them
down the hose. Disconnect hoses from the filter and
discard the used filter.
4.
Insert the short hose into the input port of the filter
and the long hose into the output port of the filter.
Slide the nuts up the hoses and screw onto the
fittings. Tighten using pliers or a wrench.
5.
Turn the System ON, operate the system and check
for leaks.
18

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