DENTSPLY Cavitron JET Plus Installation And Service Manual page 37

SECTiON 18:
G137 Cavitron
This troubleshooting section is meant for use by qualified Cavitron
SymPTOmS
Cleaning air flow from the Air
Polishing nozzle is insufficient-
no powder delivery.
(Continued)
Cavitron JET Plus unit has no
®
bleed air.
JET Plus Troubleshooting and Analysis
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CAuSES
7. Oil or moisture in the air supply
to the Cavitron JET Plus unit.
®
Check for wet or discolored
external and internal filter
elements.
8. Duckbill filters were removed or
installed in reverse.
9. Main air regulator in the
Cavitron JET Plus unit is set
®
too low.
10. Clogged air tubing in the
Cavitron JET Plus or the
®
handpiece.
1. The Air Polishing insert is
clogged.
2. The Cavitron JET Plus unit air
®
supply is not hooked up.
3. The manifold bleed air needle
valve is set too low.
4. The bleed air duckbill filter is
clogged or installed incorrectly.
5. The Y-Fitting is clogged.
6. The JET-Mate™ handpiece air/
powder tube is clogged.
7. The handpiece cable tubing is
clogged.
8. The air manifold is defective or
clogged.
Service Technicians.
®
CORRECTivE mEASuRES
7. a. Have the dental office air compressor
serviced.
b. An air dryer and filter should be installed to
remove moisture and contaminants.
c. Return the Cavitron
DENTSPLY for factory certified service.
8. Return the Cavitron
DENTSPLY for factory certified service.
9. Return the Cavitron
DENTSPLY for factory certified service.
10. Return the Cavitron
DENTSPLY for factory certified service.
1. Remove the Air Polishing insert and check the
handpiece for bleed air. Use the cleaning tool to
clear the Air Polishing insert if it is clogged.
2. Check the unit air hose and air compressor.
3. Connect a calibrated bleed air gauge and adjust
the needle valve to specifications.
4. Remove the filter assembly and inspect. Replace if
clogged or damaged. P/N 60367.
5. Remove the tubes and clear the obstruction with a
cleaning wire.
6. Unplug and clean out the handpiece with the long
cleaning wire.
7. Unplug and clean out the handpiece assembly by
applying compressed air to the HP tubing.
8. Remove the bleed air tubing at the air manifold
and check for air flow. Repair or replace the air
manifold as needed.
35
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JET Plus unit to
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JET Plus unit to
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JET Plus unit to
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JET Plus unit to
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