Valleylab CUSA EXcel-8 - Handpiece Flow Sensor; Remove the Handpiece Flow Sensor

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Handpiece Flow Sensor
Handpiece Flow Sensor
Replacing the handpiece cooling water sensor involves removing the right
and rear covers, then accessing and disconnecting the sensor before
removing it. Installing the sensor involves reversing the access process.
Tools and Materials Needed
You will need the following tools:
e Phillips screwdriver
+ Pliers
+ Isopropyl alcohol
* Handpiece cooling water sensor spares kit:
4 One handpiece cooling water sensor assembly
4 Two plastic wire ties (one required)
4 Instructions for use.
Remove the Handpiece Flow Sensor
1. Tum off the AC Main Switch, located on the rear panel.
Unplug the power cord connector from the wall receptacle.
Remove the right side cover and the rear cover.
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Disconnect the flow sensor wiring harness from the ultrasonics board
at J5.
5. Remove the handpiece cooling water sensor wiring harness from the
cable restraint located above the sensor.
6. Remove the 1.587 mm (1/16 in.) ID tube from the upper end of the flow
sensor.
7. Remove the two screws (M4 Phillips) that attach the flow sensor to the
frame. Lift the flow sensor upwards.
8. Remove the wire tie securing the 3.175 mm (14 in.) ID tube to the 90°
elbow fitting on the bottom end of the flow sensor.
9. Remove the 3.175 mm (18 in.) ID tube from the 90° elbow fitting on the
bottom end of the flow sensor.
10. Remove the flow sensor.
11-46 CUSA EXcel-8 System Service Man