43
22. Attach the Snap-On Ferrite block to the back of the
Water Regulator/Solenoid and secure it with a cable
tie. The latch for the Snap-On Ferrite block should face
downward. Plug the 3-wire connector onto J3 of the
Power Drive PC board.
23. Align the plastic barrier with the Bottom Housing and
fully seat it. Replace the two-sided tape, if necessary,
to secure the plastic barrier to the heatsink.
24. Reconnect the ribbon cable at J5 on the Power Drive
PC board. Support the Top Cover to prevent damage
to the cable.
25. Insert the blue Water hose into the lower right-hand hose
connector in the back panel. Be sure it is fully seated.
26. Insert the black Air hose into the lower left-hand
(corner) hose connector in the back panel. Be sure it
is fully seated.
27. Calibrate and final test the Cavitron
®
JET Plus unit
using DENTSPLY Professional - Product Service
Standard Operating Procedure, PS-00176.
28. Align the Top Cover on the Bottom Housing and
securely fasten the six #6 x 1/2” Hi-Lo screws using
a screwdriver.
k Pinch valve Replacement:
1. Follow the steps above in Section A for “Top Cover
Removal”.
2. Unplug the Top Cover ribbon cable at J5 on the Power
Drive PC board and place the Top Cover to the side.
3. Unplug the blue Water hose assembly at the source
and relieve the water pressure by depressing the quick
disconnect tip in a suitable container. Disconnect the
blue Water hose at the rear of the unit by fully
depressing the gray connector ring and gently pulling
out the hose.
4. Unplug the black Air hose assembly at the source and
relieve the air pressure by depressing the quick
disconnect tip. Disconnect the black Air hose at the
rear of the unit by fully depressing the connector ring
and gently pulling out the hose.
5. Remove the plastic barrier from the unit. Pull the
plastic barrier away from the heatsink to release the
two-sided tape and lift the barrier out of the unit.
6. Unplug the clear Pinch Valve tubing from the top Pinch
Valve barbed fitting.
7. Cut the cable tie and release the Snap-On Ferrite block
on the Water Regulator/Solenoid. Unplug the
Handpiece cable connector from the Power Drive PC
board at J3.
8. Use a screwdriver and remove the two #6 x 1/2”
Hi-Lo screws at the front corners of the Air/Water
Chassis assembly. Carefully lift up the chassis.
9. Use a screwdriver to remove the four 6-32 x 7/8”
screws. Replace the Pinch Valve assembly and
components of the valve. Tighten the four screws
uniformly to 15 ± 1 in-lbs.
10. Lower the chassis and slide it back under the molded
tab located adjacent to the water inlet hole. Install
the two #6 x 1/2” Hi-Lo screws at the front corners of
the Air/Water chassis assembly. The Ground wire
terminal must be reinstalled over the left mounting
bracket tab. Place the lock-washer between the screw
head and the Ground wire terminal. Be sure no wires
or tubing are trapped under the bracket.
11. Re-connect the clear Pinch Valve tubing onto the top
Pinch Valve barbed fitting. Refer to the drawings in
Section M.
12. Attach the Snap-On Ferrite block to the back of the
Water Regulator/Solenoid and secure it with a cable
tie. The latch for the Snap-On Ferrite block should face
downward. Plug the 3-wire connector onto J3 of the
Power Drive PC board.
13. Align the plastic barrier with the Bottom Housing tabs
and fully seat it. Replace the two-sided tape, if
necessary, to secure the plastic barrier to the
heatsink.
14. Insert the blue Water hose into the lower right-hand hose
connector in the back panel. Be sure it is fully seated.
15. Insert the black Air hose into the lower left-hand
(corner) hose connector in the back panel. Be sure it
is fully seated.
16. Calibrate and final test the Cavitron
®
JET Plus unit
using DENTSPLY Professional - Product Service
Standard Operating Procedure, PS-00176.
17. Align the Top Cover on the Bottom Housing and
securely fasten the six #6 x 1/2” Hi-Lo screws using
a screwdriver.
L Pinch Tube Replacement:
1. Follow the steps above in Section A for “Top Cover
Removal”.
2. Unplug the Top Cover ribbon cable at J5 on the Power
Drive PC board and place the Top Cover to the side.
3. Disconnect the Red Pinch Tube at the Powder Bowl
assembly.
4. Disconnect the other end at the Y-Fitting. Cut the two
wire ties and remove the Red Pinch Tube from the unit.
5. Measure 17.75 ± .25” of Red Tube (P/N 61631).
Follow the curvature of the Clear and Yellow tubes from
the Powder Bowl, route the Red Pinch Tube through
the Pinch Valve assembly.
6. Connect the Red Pinch Tube to the Powder Bowl side
fitting.
7. Group the Red, Yellow and Clear Powder Bowl tubes
together and tie with two cable ties.
8. Loop the Red Pinch Tube up and around connecting it
to the Y-fitting. The Pinch Tube must be free to slide
through the Pinch Valve to allow for repositioning.
Be sure the tube is fully seated at both ends. Refer to
the drawings in Section M.
9. Reconnect the ribbon cable at J5 on the Power Drive
PC board. Support the Top Cover to prevent damage
to the cable.
10. Calibrate and final test the Cavitron
®
JET Plus unit
using DENTSPLY Professional - Product Service
Standard Operating Procedure, PS-00176.
11. Align the Top Cover on the Bottom Housing and
securely fasten the six #6 x 1/2” Hi-Lo screws using
a screwdriver.
