５.
Operations
5
6
Connect DC plug of mobile battery to INPUT of Controller and enable to use handpiece.
Recommended specification of mobile battery is as following:
●Output Electric Voltage: 19 – 24 V
●Output Electric Current: 1.7 – 3.0 A
●Electric Power: 20 – 70 W
●Plug: 5.5 x 2.1 mm (Outer x Inner diameter)
※Mobile battery is not available in Minitor.
５-５ Connecting to Mobile Battery
■Use mobile battery with recommended specification.
fig - ５
Caution
■
May cause of accident and / or malfunction if inspection and maintenance are not regularly provided.
Warning
●Check if there is any damage on the product.
●Check if dust, oil, water, etc. are stuck.
※Inspection and maintenance are regularly needed.
８.
Maintenance
６.
Replacement of Carbon Brushes
（１）Unplug handpiece from Controller.
（２）Remove a screw from motor cap and pull handpiece body from motor cap.
Be careful not to drop and loose rubber switch cover while removing motor cap.
（３）Remove screws fixing carbon brushes and pull out carbon brushes(fig
-
６)
.
（４）Put in new carbon brushes and fix them by screws.
（５）Put motor cap back and push rubber switch cover into motor cap (fig
-
７)
.
■Use specified carbon brushes.
■After replacing carbon brushes, run handpiece from low speed to high speed gradually
for more than 5 minutes and confirm if there is any malfunction.
７.
Troubleshooting
※Ask us for repairing in case there is no improvement after applying measure.
※Contact your Minitor dealer or us in case of question, inquiry, etc.
Condition
Check if
Handpiece does not work.
Plug all cords.
Any cord is unplugged?
Handpiece is overheating
while running.
Close collet chuck.
Collet chuck open?
Replace carbon brushes.
Carbon brushes are consumed?
Use handpiece in range of green on Load Meter.
Handpiece is used with excessive load?
Remove dust, etc.
Dust, etc. are stuck on handpiece?
High vibration and / or
abnormal noise from handpiece
Use Sentan Tool with proper rotation speed.
Handpiece is running with appropriate speed?
Remove dust, etc.
Dust, etc. are stuck on handpiece?
Measure
Caution
Mount Sentan Tool.
Sentan Tool is mounted?
５-１
Changing Sentan Tool
（１）Insert DC Plug of AC Adapter into INPUT on Controller.
（２）Insert plug of handpiece into MOTOR on Controller
５-２
Connecting Handpiece to Controller
（１）Twist Collet Release Ring about 90-degree to “Open” direction to open collet chuck.
（２）Pull test mandrel out and insert Sentan Tool with φ3.0 shaft.
（３）Twist Collet Release Ring to “Close” direction until clicking to close
collet chuck.
※Test mandrel is mounted at the time of shipment.
fig
- ４
Release
Set
■Change Sentan Tool after unplugging handpiece from Controller.
■Do not twist Collet Release Ring while handpiece is running.
Caution
（１）Insert plug of AC Adapter into outlet and display on Controller will be on.
※Press ON Button if display does not turn on.
（２）Select rotation direction of handpiece by Rotation Direction Switch (FWD. by default).
（３）Set rotation speed of handpiece by Speed Increasing Button / Speed Decreasing Button.
※Actual rotation speed must not exceed specified maximum rotation speed (allowable rotation speed) of mounted
Sentan Tool.
（４）Press ON Button or Hand Switch to start rotating of handpiece.
（５）To stop rotating of handpiece, press OFF Button or Hand Switch.
５-３ Operation of Handpiece and Controller
■Do not twist Collet Release Ring while handpiece is running.
Caution
（１）Connect plug of Foot Switch to FOOT of Controller.
（２）Follow the procedures (1) – (3) of “5-3 Operation of Handpiece and Controller”.
（３）-
The foot switch remains On while pressing and turns Off when releasing.
５-４ How to Use Foot Switch
fig - ６
Carbon Brush
fig - ７
