Dental Delivery Unit Operation Manual
REV-A Page 30 of 43
6.4 Delivery Tray Receptacle Testing
Handpiece Testing
Take down the handpiece from the delivery tray receptacle.
Then to press the foot switch(The function and operation of foot switch please refer 6.5)
and check if the handpiece could be driven by air.
Shift the cooling control button and press the panel to check if the handpiece working
company with the air cooling and mist water cooling.
Press dust clear button on the foot switch to check the dust air on the handpiece.
1-Air brake switch
2-No.1 cooling water
3-No.2 cooling water
4-No.3 cooling water
5-No.4 cooling water
6-No.1 air Driving
7-No.2 air Driving
8-No.3 air Driving
9-No.4 air Driving
10-No.1 cooling water
11-Air for 3-way Syringe
Pic 6-2 Handpiece Switch
3-way Syringe
Take down the 3-way syringe from the delivery tray receptacle.
Then to press water button (left button)to check if the syringe could supply the water.
To press air button (right button) to check if the syringe could supply the air.
To press both to check if the syringe could supply mist water.
All the holder could adjust the air and water volume by the adjust valve under the instrument
Tray console as followed picture:
