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General Warnings for All Vibrating Equipment

Repeated or long-term exposure to excessive vibration may cause temporary or permanent 
physical injury, particularly to the hands, arms and shoulders.

It is strongly recommended that anyone using vibrating equipment, such as power hand tools, 

¿

rst be physically examined by a doctor and then have regular medical check-ups to make sure 

the user doesn't have any medical problems that are being caused or worsened by using vibrating 
equipment. People who have impaired blood circulation to the hand, past hand injuries, nervous 
system disorders and Raynaud's disease should not use vibrating equipment.

If you feel any medical or physical symptoms related to vibration (such as tingling, numbness and 
white or blue 

¿

ngers), report the situation to your employer and seek medical advice as soon as 

possible.

Avoid smoking while using vibrating equipment, as nicotine reduces the blood supply to the hands 
and 

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ngers.

Suitable gloves should be worn to reduce the vibration effects on the user.

Tools with the lowest vibration should be used when there is a choice between different processes.

Work schedules should be arranged to include vibration-free periods throughout each day.

Additional Warnings for the Safe Use of LUSTER (LS-100/ELS-100)

LUSTER should only be used after reading and understanding the Operation Manual.

Grip LUSTER as lightly as possible (while still keeping safe control of it). 
Let LUSTER do the work.

To ensure your safety, LUSTER should be
maintained as explained in this Operation Manual.

Do not use LUSTER at vibration levels of
2.5 m/s

2

 and higher. Select the combination

of motor rotation speed and stroke so that the vibration
level stays in the shaded area as shown on the
chart lower right (Fig. 1)

Do not use LUSTER with vibration at 2.5 m/s

2

 or

higher each day for an extended period of time.

If any abnormal vibration occurs stop using 
LUSTER immediately and return to NAKANISHI
for service.

CAUTION ON HANDLING

1

. CAUTIONS FOR HANDLING AND OPERATION

 Read these cautions carefully and only use in the manner intended.

 Warnings and cautions are intended to avoid potential hazards that could result in personal injury or damage to 

the device. These are classi

¿

ed as follows in accordance with the seriousness of the risk.

This attachment is designed for hand use. Never install this attachment or any hand tool on a 
machine such as a special purpose machine, NC lathe or mill.

Use a protective cover, glasses and/or facemask for your safety during rotation.

Do not touch bur-holder, tool etc, while they are in the reciprocating motion.

Do not drop or hit LUSTER, because the shock could damage the internal components.

Check if the tool/

¿

le has been mounted 

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rmly, before operation.

Do not force the tool/

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le to overload, or it may be damaged.

Do not so overload LUSTER that could function the protective circuit.

Be sure to keep LUSTER/motor away from water. It could cause an electric shock to the operator.

Do not lubricate LUSTER/motor and any bearings in the system, as grease

¿

lled bearings are used.

After repair, initial operation, or long periods of non operational time, please use the following 
break-in procedure. Adjust stroke length is 1mm. Start rotating slowly and over a short period of 
time, then increase the speed gradually until reaching the maximum allowable speed.

OPERATION MANUAL

LS-100 / ELS-100

LUSTER Attachment

003

Thank you for purchasing LUSTER attachment LS-100 / ELS-100. These attachment are designed for lapping 
and honing after grinding metallic mold. The Emax EVOlution <Control Unit and Motor>, ROTUS <Air Motor> / 
<Air Line Kit> or Espert 500 <Control Unit and Motor> are required to drive these attachment. Read this Operation 
Manual carefully before use. Also read Emax EVOlution, ROTUS / Air Line Kit or Espert 500 Operation Manual.

2

. FEATURES

Tools are easy to change.

Reciprocating speed and stroke can be easily and continuously controlled.

You can mount various 

¿

les available on the market.

Mounted tool /

¿

le can be easily re-oriented onto the work surface.

Fig. 1

Model

LS -100

ELS -100

Applicable Control 
Unit

Emax EVOlution
Control Unit

-

Espert 500
Control Unit

Applicable Motor

Emax EVOlution Motor
(ENK-410S, ENK-250T)

ROTUS Air Motor
(IM-301, IM-300)

Espert 500 Motor
(ENK-500C, ENK-500T)

Maximum Allowable 
Motor Rotation Speed 

Less than 25,000min

-1

 (rpm) (Refer to Fig. 1) 

Stroke

0 - 6 mm

Reciprocating 
frequency

0 -105 cycles/second

Weight
(with Power Cord)

680g

Vibration Level

Use the Attachment less than 2.5m / s

2

 (Refer to Fig. 1)

Noise Level at 1m 
distance

Less than 70dB (A)

Temperature

Humidity

Atmospheric Pressure

Operation 
Environment

0 - 40°C

MAX.75%
 (No condensation)

800 - 1,060hPa

Transportation and 
Storage Environment

-10 - 50°C

10 - 85%

500 - 1,060hPa

3

. SPECIFICATIONS AND DIMENSIONS

Standard Accessories

 Sandpaper (62552 #120, 62555 #320, 62557 #600 and 62559 #1000 ) 4 different grit size 

・・

Each 10pcs.

 Allen Wrench (2mm, 3mm)

・・

Each 1pc. 

 Oil

・・

1pc.

 Operation Manual

・・

1set.

* Rectangle sandpapers in variety of grit sizes are available.

Fig. 2

Bur Holder

Stroke Length Setscrew

Spindle

Stroke Length

Motor

Guide Ball

Head Cover

Guide Sleeve
Positioning Screw

Lubrication Port

Tool Mounting
Setscrew

Bushing

Guide Sleeve

ȭ

14.9

ȭ

20

Handle

Head Cover Setscrew

Adjustment Ring

Rubber Grip

7.9

120

R

F

3 - 1  Speci

¿

cations

3 - 2  Outside View

56

31

62502

62751

Spring in radial direction.

62505

Oil stone or large file can be 
used. The angulation can be 
changed.

62527

Use with 62505, 62526, 62751.

62526

Use with 62525.

3.5

25

ȭ

3.2

ȭ

3

45

65

66

Standard Tool

62525

Use with holders. Use for 
lapping and horning as is.
Use with the sandpaper 
provided or other polishing 
materials adhered on it.

Lubrication Nozzle (2031)

57

8

6

18

OM-K0102E

Class

Degree of Risk

  

WARNING

A safety hazard could result in bodily injury or damage to the device if the 
safety instructions are not properly followed.

  

CAUTION

A hazard that could result in light or moderate bodily injury or damage 
to the device if the safety instructions are not followed.

CAUTION ON VIBRATION

Do not exceed the " Maximum Allowable Motor Rotation Speed " (Refer to " 3 - 1  Speci

¿

cations ").

When sensing that the Attachment and motor are overheated during operation, reduce the working 
force or the motor rotation speed, or stop the operation until the Attachment cools down before 
restarting.

 Do not exceed the " Maximum Allowable Motor Rotation Speed ". 

 When sensing that the Attachment and motor are overheated during operation, reduce the 

working force or the motor rotation speed, or stop the operation until the Attachment cools down 
before restarting.

 

 WARNING

 

 WARNING

4

. CONNECTING TO THE MOTOR

Insert the motor into the grip of LUSTER and turn it clockwise until it stops.
Follow the procedure below to prevent damage to the Coupling Joint.

Loosen the head cover setscrew with the allen 
wrench (Fig. 2).

Slide the head cover upward to remove.

While moving the spindle slightly right and left with 

¿

nger, insert the motor into the holding grip of the 

LUSTER.
If the drive shaft of the motor does not engage the 
drive dog on the spindle, the spindle could not be 
turned. DO NOT FORCE. Turn the spindle back 
a few threads, rotate the cutting tool by hand to 
engage the drive shaft and the drive dog, and 
make the 

¿

nal turns. 

Align the guide groove on LUSTER with the guide 
ball on the head cover and install the head cover.

Tighten the head cover setscrew with the allen 
wrench.

Tighten

Transmission Clutch

Fig. 3

CAUTION

Make sure your hands and all interlocking parts of the attachment and motor are clean before 
connecting the motor to the attachment. This is critical to prevent contaminants from entering the 
motor or attachment.

0

40
35
30
25
20
15
10

5

1

2

3

4

5     

6

Stroke (mm)

Motor Rotation Speed ( x 10

3

min

-1

)

2.5 m / s

2

2.5 m / s

2

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