DENTSPLY Cavitron Prophy-Jet, Directions For Use Manual

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9.6 Powder Chamber Maintenance
1. Turn off power.
2. Allow the powder chamber to depressurize and unscrew
the powder chamber cap.
3. Empty powder from the chamber and use the high
suction to remove any residual powder in the chamber.
4. Turn on the power and check for strong airflow from
the center tube of the powder chamber.
5. If no or low air is present, turn the power off.
6. Unscrew the knurled ring at the bottom of the
chamber assembly and remove the “J-tube” assembly.
7. Using the JET Air-Polishing Insert nozzle cleaning wire tool,
clean clogged powder from the “J-tube”. Turn on the unit
and check for strong airflow.
8. Check that the o-ring is properly positioned in the groove
of the “J-Tube” assembly and reassemble the “J-tube”
to the chamber. Tighten knurled ring. Place chamber
in system.
9. Fill the chamber with fresh prophy powder and test
for flow and leaks.
Although service and repair of the Cavitron ™ PROPHY-JET®
Air Polishing Prophylaxis System should be performed by
DENTSPLY® personnel, the following are some basic trouble
shooting procedures that will help avoid unnecessary service
calls. Generally, check all lines and connections to and from
the System, a loose plug or connection will often create
problems. Check the settings on the System’s knobs.
Section 10: Troubleshooting
Section 9: System Care con’t
10.1 Troubleshooting Guide
System will not operate:
(Power Indicator Light is not lighted)
1. Check that the Power switch is in the ON position,
and that detachable Power Cord is fully seated in
the receptacle on back of System.
2. Check that the System’s three-prong plug is fully
seated in an appropriate AC receptacle, and that
AC current is present.
(Polish Indicator Light is not lighted)
1. Check that the Foot Control Connector is fully seated in
the Foot Control Receptacle on the back of the System.
System operates:
(No lavage flow at insert nozzle)
1. Assure that Lavage control is properly adjusted.
2. Check that irrigant supply control valves (dental
office water supply) are open.
3. If connected to DualSelect ™ Dispensing System, check that
fluid level in the selected bottle is sufficient. Make sure
valves are open when using external water source.
4. Check that lavage filter is clean. Replace lavage filter if needed.
(JET Air Polishing Insert nozzle blocks repeatedly)
1. Powder is moisture contaminated (lumpy). Discard powder.
2. Air Supply Line Air filter is contaminated. Refer to Section
9.5 Air Supply Line Air Filter Maintenance.
(No bleed air)
1. Blocked JET nozzle. Clean JET Nozzle using supplied tool.
2. Blocked air bleed “duckbill” air filter. Have unit serviced by a
qualified Service Repair Facility.
(No or poor cleaning action)
1. Very low powder level or empty powder chamber. Fill powder
chamber.
2. Blocked JET Air Polishing Insert nozzle. Clean nozzle using
supplied tool.
3. Powder chamber cap is loose. Tighten powder chamber cap,
and turn System ON. If cap does not fit tightly, check for
thread wear and replace cap or bowl assembly if wear is
noted.
4 Blocked Powder Chamber Air Filter. Refer to Section 9.4:
Powder Chamber Air Filter Maintenance.
5. Clogged “J-Tube” assembly on Powder Chamber. Refer
to Section 9.6: Powder Chamber Maintenance.
(Continuous powder agitation)
Powder chamber cap not securely sealed. Shut System OFF.
Remove the O-ring seal from the cap and clean residual powder
from the cap. Be careful not to scratch or otherwise damage the
plastic cap. Replace cap if threads are worn or scratched. Wipe
off the O-ring and place it in the cap and turn System ON.
Worn caps and O-rings should be replaced when wear is noted.
10.2 Technical Support and Repairs
For technical support and assistance, call 1-800-989-8826
Monday through Friday, 8:00 AM to 5:00 PM (Eastern Time).
For other areas, contact your local DENTSPLY® representative.