Water Regulator/Solenoid Replacement - Dentsply Sirona Cavitron 300 Series Service Manual

14. Align and place cover assembly on the scaler unit.
15. Plug the power cord into the power entry module.
16. Reconnect the blue water hose to the push-lock
water fitting.
17. Power up the unit using the power rocker switch
and test unit operation.
18. Calibrate and final test the Cavitron
Scaler using the Dentsply Sirona Preventive -
Product Service Standard Operating Procedure,
PS-00211.
19. Align the Cover on the Bottom Housing and
securely fasten the four (4) #6 x 1/2" Hi-Lo Torx
screws using a screwdriver.
I. Water Regulator / Solenoid Replacement:
1. Follow the steps above in Section A for "Top Cover
Removal."
2. Ensure that the power cord has been unplugged
from the rear power entry.
3. Unplug the white w/blue strip and white wire
connector 2-wire connector from the Burkert
water regulator/solenoid.
4. Use paper towels as a barrier to prevent wetting
the electronics. Unplug the clear water tubing
from the regulator/solenoid.
5. Remove the two (2) #6 x 1/2" Hi-Lo Torx screws
securing the water regulator/solenoid.
6. To remove the Burkert water regulator/solenoid
from the scaler the Mounting Plate Sub-assembly
must be slightly raised. Remove the three (3) #6
x 1/2" Hi-Lo Torx screws from the Mounting Plate
Sub-assembly. Also remove the ground wire
screw at the top of the metal bracket.
16
7.
8. Plug the clear water tubing onto the replacement
® 300 Series
Water
Regulator /
Solenoid
Assembly
9. Plug the two (2) wire connector onto the
Water
Regulator /
Solenoid
in Inner
Base Bracket
Water
Regulator /
Solenoid
10. Lower the Mounting Plate Sub-assembly to the
Adjustment
Screw
Replace the Burkert water regulator/solenoid
assembly. Align the edge of the water regulator/
solenoid to the inner base bracket and fasten with
the two (2) #6 x 1/2" Torx screws.
regulator/solenoid. Be sure clear tubing is fully
seated.
regulator/solenoid connector. Be sure the wires
are routed in front of the metal bracket.
cabinet housing. Be sure wires and tubing are not
trapped under the chassis. Use three (3) #6 x 1/2"
Hi-Lo Torx screws to fasten the Mounting Plate
Sub-assembly to the cabinet housing and one (1)
#6 x 1/2" Hi-Lo Torx screw and star washer for
the ground wire at the water regulator/solenoid
bracket.
Line up edge
of new
regulator/
solenoid with
edge of
bracket
Ground
Wire Screw with
Star Washer
Water
Regulator /
Solenoid
mounting
screws (2)
Nylon Cable Tie
Water Regulator /
Solenoid Connector
& Wire Routing