①
②
②
■
Neglecting maintenance and inspection ,could result in accident and/or failure.
Warning
●Please check if there is some damage or not on the case and cord.
●Please check if there is accumulated dust, oil, water and so on or not.
※Please maintain and inspect a handpiece.
８.
Maintenance and inspection
５.
Operating Procedure
5
6
６.
Replacement of Carbon Brush
（１）Unplug the Handpiece from the controller.
（２）Turn the motor cap to the left and push it back after loosening.
（３）Remove the screw that fixes carbon brushes and then take out the
carbon brushes.
（４）Fix new carbon brushes with the screw.
（５）Put the motor cap back into its original place.
Enable to use handpiece when DC plug of the mobile battery is connected
into INPUT on controller.
However, maximum speed of rotation will be changed by output voltage.
Ex.）Approx. 25,000
min
-1
with 24V
Approx. 20,000
min
-1
with 24V
Refer to mobile battery as following
＜Recommended Moblie Battery＞
●Output Electric Voltage: 19～24V
●Output Electric Current: 1.7～3.0Ａ
●Electric Power: 20～70Ｗ
※We do not deal with any mobile battery.
５-６ Connection to Mobile Battery
■Use the recommended mobile battery.
fig - ８
Caution
■Use equivalent carbon brushes.
■After replacing the carbon brushes, give the handpiece a trial run over 5 minutes, increasing
rotation speed gradually and make sure how it works.
７.
Trouble Shooting
※
If the symptom is not improved after corrective action, the handpiece might be defective. Please ask for repair.
※Any other troubles or obscure points, please contact our minitor dealer.
Condition
Investigation
Handpiece does not run.
Please plug the various cords.
Are the various cords unplug?
Handpiece is overheated
while running.
Close collet chuck of handpiece.
Is collet chuck of handpiece opened?
Replace the carbon brushes.
Are the carbon brushes worn?
Use the handpiece within the green lights of the load meter.
Do you use the handpiece with excessive loads?
Remove dust from the handpiece.
Is there any adhesion of dust with the handpiece?
Unusual noise and/or vibration
occurs.
Set rotaion speed properly as each SENTAN Tool requires.
Is rotation speed prpper?
Remove dust from the handpiece.
Is there any adhesion of dust with the handpiece?
Corrective action
Caution
fig - ９
Carbon Brush
Please attach the SENTANTOOL.
Is the SENTAN TOOL attached?
■Mat cannot fix the controller firmly.
It might be fell down or come off when pulling the cord out or because of the gravity.
■It might not be able to be fit on installation location because of the form or the materials
of the installation surface.
■Handle with care when taking the mat off to avoid a tear.
Caution
５-１ Changing the SENTAN TOOL
（１）Connect DC plug of AC adapter to INPUT on controller.
（２）Connect plug of handpiece to MOTOR on controller.
５-２ Connection of Handpiece and Controller
（１）Hold the motor and turn the collet release ring to the direction of "OPEN" at
about 90-degree as on the right figure.
（２）Pull out the test rod and insert the SENTAN TOOL (shank diameter ø3.0).
（３）Then, turn the collet release ring back to the direction of "CLOSE" till
it locks in the position.
Make sure the tools set firmly before starting the motor.
※This Product is shipped with a test rod to protect the collet.
fig
- ４
Release
Set
（１）Insert AC adapter plug into ＡＣ socket, and display of controller will be on.
※Press ON switch if lump does not turn on.
（２）Select rotation direction by pressing rotation button (default setting is FWD).
（３）Handpiece works by pressing ON button.
（４）Set rotation speed of handpiece by Speed Increasing/Decreasing Buttons.
※Setting of rotation speed must be under maximum rotation speed (admissible rotation speed) of SENTAN Tool
attached.
（５）Press OFF button to stop handpiece.
５-４ Operation of Controller
（１）Remove dust and dirt from stand and installation location preliminarily.
（２）Paste smooth side of bigger mat on installation location, and put hole-less side
of stand on the other side of bigger mat.
（３）Paste smooth side of smaller mat on side with holes of stand.
（４）Put controller and SENTAN Tool on textured side of smaller mat
（SENTAN Tools are not included).
Stand is variable at a 90-degree angle to vertical and makes a 360-degree turn
to horizontal.
※Wash in water to remove dust and dry naturally to reuse the mat when the mat gets
dirty and absorbing power gets weak.
※There is no issue for functionality even if uneven coating or bubble are on the mat.
５-５ Stand Set Usage
fig
- ７
（１）Insert AC Pin obliquely (fig–5①) and press down (fig–5②)
when attaching AC Pin into adapter.
AC Pin clicks when fixed.
（２）Slide the lock button (fig–6①) and pull up AC Pin when
detaching AC Pin from adapter (fig–6②).
５-３ Replacement of AC Pin
■Use AC Pin meeting specification for country / region in which it is used.
Warning
fig
- ６
fig
- ５
■Danger! Unplug handpiece from controller always while you change the sentantools.
■Do not twist collet release ring while motor is rotating.
Caution
■Do not twist collet release ring while motor is rotating.
Caution