MINIMO BS312 User manual

Thank you very much for purchasing Minimo ONE Series Ver. 2 MINI BELTSANDER.
This product is the Motor for Minitor Handpieces.Read carefully this instruction manual before
use.Also read carefully the instruction manuals of D.C. power pack, and of foot switch. Please
keep this instruction manual near the power pack for any operators to refer to whenever
operating this system.If you lost your instruction manual, download it from our website.
Introduction
1 2
■When replacing carbon brushes or others, pull out the power cord.
○Failure to do so could result in electric shock and/or failure.
●Read the precautions below to ensure safe use and handling. These precautions are intended to
protect you and others around you. Read and follow them carefully to avoid injury, damage to the
product or damage to property.
●Read carefully the instruction manual of this power pack, handpieces and foot switch.
●Keep this instruction manual near the power pack for any operators to refer to whenever operating
this system.
■ About Warning and Caution
Safety instructions are classified as Warning and Caution in accordance with the seriousness of the risk.
Warning Caution
■ About Symbols
This symbol denotes that an instruction must
be obeyed at all times. This symbol denotes that the action is prohibited.
The symbols below have the following meanings.
Cautions for handling and operation
This indicates that incorrect
operation presents significant
danger of accident, resulting in
death or serious injury to users.
This indicates that incorrect
operation presents possibility of
injury to users or damage to the
unit.
Caution
■Use the power pack in a place without condensation.
○Failure to do so could result in fire, electric shock, and/or failure.
■Do not use in a place with corrosive gas such as chlorine gas, hydrogen sulfide, and/or sulfurous acid gas.
○Failure to do so could result in fire, electric shock, and/or failure.
■Do not drop and/or hit.
○Failure to do so could result in malfunction and/or failure.
■Do not use in a place near machines remarkably emitting electric noise.
○Failure to do so could result in malfunction and/or failure.
■Use in temperature between 0 - 40℃.
○Failure to do so could result in malfunction and/or failure.
■For maintenance, unplug the power cord for safety.
○Failure to do so could result in electric shock and/or failure.
■For disposal of this power pack, please follow your local city office or the shop where you purchased the product.
■Do not allow children to use this product. Also, keep away from children.
■Be careful for dust, oil, water not to enter the inside of the power pack.
If entering, turn off the main switch and unplug the power cord. Then, ask us for repair.
○Failure to do so could result in fire, electric shock, and/or failure.
■When you leave the workshop, turn off the main switch, and unplug the power cord from the outlet for safety.
Warning
■Do not modify and/or disassemble the power pack.
○Failure to do so could result in fire, electric shock, and/or failure.
○Also this may have a significant impact on its safety and performance.
■Always ask us for repair.
○Failure to do so could result in fire, electric shock, and/or failure.
○Also this may have a significant impact on its safety and performance.
■
In case of abnormal noise, smoke, and/or bad smell, turn off the main power and unplug the power cord.
○Failure to do so could result in fire and/or electric shock.
■Make sure whether or not the handpiece runs after switching on.
If the handpiece does not run after switching on, stop using it.
○Failure to do so could cause the motor to be overheated, resulting in fire or failure.
■Do not use a damaged curl cord.
○Failure to do so could result in fire, electric shock, and/or failure.
■When connecting this handpiece with a powerpack, always turn off the main switch of the powerpack.
○Failure to do so could result in fire, electric shock, and/or failure.
■When turning on the motor switch, firmly hold the handpiece.
○Failure to do so could make the handpiece hop, resulting in injury to the user or damage to the tool.
■Commutation sparks occur while the motor is running.
So, do not use near inflammable and/or explosive substances such as thinner and/or gasoline.
○Failure to do so could result in fire and/or failure.
■Do not touch the Belt and pulley while the motor is running.
○Failure to do so could result in injury to the user or damage to the tool.
Warning
■Always wear safety glasses and a mask for dust.
○Chips and/or dust left after grinding/polishing process could result in unexpected injury.

3 4
Contents
【Allowed Powerpack】
C2012/C2112/C2212 Only (Minimo One Series Ver.2 since
2013)
Not available with all the other powerpacks
●Hand Switch
The hand switch enables quick start/stop operation.
This is very useful if you often make the start/stop operation and/or you work away from the powerpack
●Mounting Handpiece Identification Resistor
The handpiece mounts a handpiece identification resistor corresponded to the handpiece identification function
on Minimo One Series Ver.2 powerpacks.
This function optimally controls rotation speed and torque of the handpiece.
●Exchangeable Belt Arm
You can choose and easily install a belt arm according to your purpose.
(H81, which is a thin belt arm is separately sold.)
●Curl Cord
As the curl cord is elastic, it does not interrupt your work.
Introduction
Safety Precautions・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ １～２
Contents ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ３
１. Confirmation of this product ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ３
２. Equipment Features・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ３
３. Specifications・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ３
４. Names of Each Component・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ５
５. Operating Procedure ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ５
５-１ Connecting to Powerpack
５-２ Operation of Hand Switch
５-３ Replacement of Belt(Belt Arm)
６. Replacement of Carbon Brush (Curl Cord) ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ６
７. Replacement of Armpad(Pulley) ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ７
８. Accessories・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ８
９． Trouble Shooting・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ８
１０． Maintenance and inspection ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ ８
Operation Manual
Carbonbrush 1set （２pieces）
ＫＥ－５８０
fig-１
D.C. POWER PACK Handpiece
Foot Switch
ＡＣ Cord CA20/CA21CA22
fig-２
Ａｂｒａｓｉｖｅ Ｂｅｌｔ ＃８０ ＳＡ１０１１ Ｗ＝６ｍｍ 1piece
※The contents of the Mini Belt Sander
accessories are subject to change without
notice.
Ａｒｍｐａｄ ＢＳ-２７３
本製品のご確認
１.
Confirmation of this product
１.
Please make sure of standard
equipments and accessories inside.
３.
Specifications
２.
Equioment Features
①RUBBER BEARING
②ARMPAD
③SCREW
④KNOB
⑤BODY
⑥DRIVING PULLEY
⑦DUST COVER
⑧SCREW
⑨HAND SWITCH
⑩HANDGRIP
⑪CURLED CORD
⑫GRIP NUT
⑬Screw for grounding
fig-４
４. Names of Each Component
⑫
⑬
H011 H021 H031 H041 H051 H211 H221 H231 H311 MX52 MX53 FX91 ET51 MG03
120°
KV11H KV112H Ultrahigh ○ ○ ○ ○
KV21H KV212H ○ ○ ○ ○ ○
KM11H KM112H ○ ○ ○ ○ ○ ○
KM21H KM212H ○○○○ ○○○○○
KV21 KV212 ○ ○ ○ ○ ○ ○
KM11 KM112 ○ ○ ○ ○○○○○
KM21 KM212 ○ ○ ○ ○ ○ ○ ○ ○○○○○
KM21LKM212L Low ○ ○ ○ ○ ○ ○ ○ ○ ○○○○○
KM11GKM112G Low gear ○ ○ ○ ○ ○ ○ ○ ○ ○○○○○
Type Belt Speed
[m/min]
Speed Range
[times/min]
・○ is possible combinations of Head joint
RE11 RE112 ― 3,500
RE21 RE212 ― 7,000
BS31 BS312 Belt Sander 700 ―
15,000
8,000
6,600
Reciproca
ting File
90°
Type
Max
Speed
[min-1]
50,000
40,000
35,000
30,000
Heavy Duty Clamp
High
Medium
Variable
amplitude
type
Air Standard Heavy Duty
25,000
20,000
Reduction
Ratio
Gear
Motor
Head Clamp Head Joint
Standard Slender Heavy
Duty
Long
Slender Standard
POWER PACK
Ver.2
One Series
C2012
C2112
C2212
C2012
C2112
C2212
Ver.2
One Series
fig-３
.System configuration table
A handpiece is only included.
Except the handpiece, please purchase individually.
■Over load function when the motor is locked ・ Danger avoidance function
The overload funciton will operate if its collet chuck opens or the load is stable.
●Usual overload.
・ Opened collet chuck. ⇒ Switch ON ⇒ Overload caution. （5 sec） ⇒ Overload(Stop)
●Over load in case that its collet chuck opens.
・ Opened collet chuck. ⇒ Switch ON ⇒ 15 sec ⇒ Overload caution. （5 sec） ⇒ Overload(Stop)
●Trouble shooting in case that the danger avoidance function operates under constant load.
・ A constant load process(15 sec). ⇒ Overload caution. ⇒ Set to no-load condition within 5 seconds.
⇒ Danger avoidance function is reset.
※The time by the caution and the load displacement can be changed.Please ask to Minitor for changing.

5
５
Operating Procedure
６.
Replacement of Carbon Brush (Curl Cord)
５－２．Operation of Hand Switch
The hand switch is for selection of the station to use and start/stop operation
５－１．Connecting to Powerpack
Connect the curl cord properly with the powerpack.
Minimo One Series Ver.2 handpieces cannot be connected with the previous version powerpack including
Procedure of replacement of carbon brushes
Procedure of replacement of a curl cord
Pull the curl cord out of the powerpack.
Remove the grip nut with a spanner (21mm).
Pull the curl cord connector out of the main body.
Hold the resin part of the curl cord and pull out straight.
Remove the screws fixing the carbon brushes and pull out the carbon brushes.
Set new carbon brushes as they were and tighten them with the screws.
Put the grip in and tighten with the screw.
(Put the grip in while caring the hand switch cord.)
Tighten the grip nut with the spanner.
①
②
③
⑥
⑦
⑧
⑩
①
②
③
-
-
⑥
⑧
-
fig-８
fig-９
-
-
fig-９ fig-１０
Main Body Curl Cord
Replacement of Belt Arm
Replacement of Belt
Pull the curl cord out of the powerpack.
As dismounting the belt, Just pull straight out the beltarm.
①
④
①
-図 -６
Insert the new one.(Be sure not to be upside down.)⑤ -図 -６
Squeeze the knob and lift the belt up to unhook it.⑥ ④
fig-５ fig-６
-
＜カーボンブラシの交換＞
長期間使用していると、モーターの回転が断続的に不安定になったり、あるいは回転しなくなったりすることがあり
ます。このような場合にはカーボンブラシを交換してください。
※カーボンブラシは両側同時に交換してください。
１）カールコードを外します。
２）グリップナット⑪をスパナ（19mm）で外し、グリップ固定ネジ⑧を取り外してからグリップを外します。
３）右図を参照しながらカーボンブラシを交換してください。
※手元スイッチのコードに注意しながらグリップを取り付けてください。
Hook the belt around the drive pulley then, Squeeze the knob.② ②
Hook the other side of the belt around the top pulley.③ ③
図 -５
図 -５
-
５－３．Replacement of Belt(Belt Arm)
Remove the screw fixing the grip and take off the grip.⑤ ⑤
Fit the curl cord socket with the pins on the main body and insert on the straight.
(If you replace the curl cord, do so at this time.)
⑨ ⑦ fig-１０
-
-
Remove the screw for grounding from the grip.④ ④ -
6
When a station is not selected
When a station is selected
Operation Movement
Press the hand switch.
Press the hand switch.
Press the hand switch.
The DC Motor output light is on.
The motor starts to run.
The motor stops.
①
②
③
-
①
②
■When changing Sentan Tools, do not press the hand switch. Caution
Drive Pulley
Top Pulley Knob
■After replacing the carbon brushes, give the handpiece a trial run, increasing rotation
speed gradually and make sure how it works.
■Pull the curl cord out of the control pack.
Caution
■Use equivalent carbon brushes.
■After replacing the carbon brushes, give the handpiece a trial run, increasing rotation
speed gradually and make sure how it works.
■When replacing carbon brushes, pull the curl cord out of the control pack.
Caution
Carbon Brush
Carbon Brush
Hand Switch
fig-８
fig-７
fig-７