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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
No water flow from handpiece
with no insert installed.
1. High dental office water pressure. 1. Install a water pressure regulator on the main
water supply line and reduce the pressure to
20-40 psi.
Water spray from insert is not
properly covering the operating
area of the activated tip.
1. Improper water flow adjustment.
2. P-style insert water tube
incorrectly aimed.
3. Insert or airpolishing nozzle
insert is partially clogged.
1. Refer to the Cavitron
®
JET Plus Directions for
Use for instructions on water flow adjustment.
2. Use small smooth pliers, reposition the water tube
and direct the spray at the back of the insert tip.
3. Replace the insert or airpolishing nozzle insert.
Water drips from the handpiece
when not operating.
1. Water solenoid valve leaking due
to trapped debris.
1. Try plugging the water supply hose into an air
source to blow out the dirt. If the leak persists,
replace the Water Regulator/Solenoid assembly.
Be sure the external hose filter is installed.
Water leak from the handpiece
while in operation.
1. O-ring worn on insert.
2. Water leak in plastic water line
at handpiece or inside the
JET-Mate™ Handpiece.
1. Replace the O-ring with genuine Cavitron
®
O-rings.
O-rings are available in packs of 12:
Green O-Rings P/N 62605
Black O-Rings P/N 62351
2. a. Unplug the JET-Mate™ handpiece from the
cable and replace the small O-ring on the
connector. Part No. 79357 (12-Pack)
b. Replace the JET-Mate™ handpiece and/or
cable assembly.
Water flow not controllable
by turning the handpiece flow
control knob.
1. Malfunction of Water
Regulator/Solenoid assembly.
1. Replace the Water Regulator/Solenoid valve
assembly. Adjust the water regulator to
specifications.
Intermittent activation or no
activation when stepping on
the Foot Pedal.
1. Foot Pedal batteries are weak.
1. a. Check Foot Pedal battery condition.
Replace batteries as required.
b. Connect the auxiliary Foot Pedal cable
between the Foot Pedal and unit. The unit
can be operated with the cable until the
batteries are replaced.
