34
SECTiON 18:
G137 Cavitron
®
JET Plus Troubleshooting and Analysis
, cont
This troubleshooting section is meant for use by qualified Cavitron
®
Service Technicians.
SymPTOmS
CAuSES
CORRECTivE mEASuRES
Air Polishing inserts are difficult
to install in the handpiece or
leak.
1. The Airpolishing nozzle insert
O-ring is damaged or deformed.
2. O-ring was not lubricated with
water before inserting.
3. The handpiece soft nozzle grip
connector is deformed.
1. Replace the green O-ring on the nozzle heater rod.
O-rings are available in packs of 12:
Green O-Rings P/N 62605
2. Fill the handpiece and wet the Airpolishing Nozzle
insert O-ring before inserting.
3. Remove, clean the ridged handpiece with a soft
brush and replace the Handpiece soft nozzle grip
connector. P/N 81717.
Cleaning air flow from the nozzle
is
normal
but there is little or
no powder flow.
1. Powder flow pointer on the bowl
cap is in the wrong position.
2. Clogged center tube in the
powder bowl.
3. Caked powder in the bowl
assembly.
4. Powder bowl L-Nozzle clogged.
5. Handpiece and/or Air Polishing
insert are partially clogged.
1. Adjust the pointer to the “H“ or 12 o‘clock
position.
2. Dump out the powder and clean out the bowl
assembly.
3. Remove the tube attached to the bowl bottom
L-Nozzle and check airflow.
4. Use the cleaning tool and clean out the L-Nozzle
from both ends.
5. Use the cleaning wires and clean out the
handpiece and Air Polishing insert.
Cleaning air flow from the Air
Polishing nozzle is
insufficient-
no powder delivery.
1. Improper daily Cavitron
®
JET
Plus unit maintenance by the
operator.
2. Insufficient air pressure is being
supplied to the unit.
3. Use of non-DENTSPLY
®
powder.
4. Use of old or moisture
contaminated powder.
5. Powder bowl cap leaking air.
6. Clogged powder bowl fitting or
bowl bottom nozzle.
1. Refer the operator to the Cavitron
®
JET
Plus Directions for Use manual or Air Polishing
maintenance information.
2. Check the dental office air supply for 65 to 100
psi air pressure.
3. Replace the powder with fresh DENTSPLY
®
Prophy-JET
®
or JET-Fresh™ Powder.
4. Replace the powder with fresh DENTSPLY
®
Prophy-JET
®
or JET-Fresh™ Powder.
5. Unscrew the cap and remove the cap O-ring. Use
water to wash both, dry thoroughly and reinstall.
Replace the cap assembly or O-ring as needed.
Cap assembly P/N 81728, O-Ring P/N
628052001.
6. Empty the powder bowl, unscrew the bowl bottom
nozzle at the bottom of the bowl and clean out any
caked powder.
