Nitto EMB-0307B User manual

Specifications
Model EMB-0307B
Power Source (Single Phase) 230V 〜50/60Hz
Rated Power Consumption 1100W
Rated Time Continue
Rated Speed (No Load) 11,000min-1
Chamfering Capacity Stainless Steel 0C - 3C, 2R, 3R, 4R
Mild Steel 0C - 7C, 2R, 3R, 4R
Chamfering Angle 15°- 45°
Mass (Weight) 3.9 kg
Sound Pressure Level No Load 84 dB(A)
Load 95 dB(A)
Sound Power Level No Load 97 dB(A)
Load 108 dB(A)
Vibration Level
No Load Motor 3.8 m/s2
Knob 1.6 m/s2
Load Motor 10.1 m/s2
knob 4.9 m/s2
Due to continuous product development/improvement the specifications and configurations in this
document are subject to change without prior notice.
Manufactured by :
NITTO KOHKI Co., Ltd.
2-9-4, Nakaikegami, Ohta-ku,
Tokyo, 146-8555, Japan
TEL : [phone]
FAX : [phone]
E-mail : [email protected]
URL : www.nitto-kohki.co.jp
Keep the manual handy – so you can use it whenever necessary.
Original Instructions
ELECTRIC CHAMFERING TOOL
Please read this manual carefully before you attempt to use
your tool so that you may use it properly and safely.
MINI BEVELER Model EMB-0307B
PROFESSIONAL TOOL

1
The following Safety notations are used throughout the manual to highlight safety precautions for the user and for
the tool.
Warning: Indicates a potentially hazardous situation which, if not avoided by following the
instructions given, could result in death or serious injury.
Caution: Indicates a potentially hazardous situation which, if not avoided by following the
instructions given, could result in injury or material damage.
Please note, however, that failure to observe safety precautions under the “ Caution” category could result in a
serious occurrence depending on the situation: please observe all safety precautions in the manual.
Caution: Important precautions for tool setup, operation and maintenance.
Thank you very much for your purchase of this
Nitto Kohki product.
Before using your tool, please read this manual
carefully so that you may use it properly to get
the most out of it.
Please keep the manual handy - so you can
use it whenever necessary.
・English : Please ask your dealer or
distributor for instruction manual
in local language(s).
・German : Bitte fragen Sie lhren Händler
nach eine Betriebsanleitung in
Landessprache.
・French : S'il vous plait, veuillez demandez
á votre foumisseur de manuel
instruction en langue locale.
・Spanish : Por favor, cantacte con su
distribuidor para el manual de
instrucciones en español.
・Portuguese : Por favor pessa ao seo agente
ou distribuidor o manual de
instrucces ih linguagen local.
・Italian : Per Manuale Istruzioni in lingua
locale Vi preghiamo di rivolgervi
al rivenditore o distributore.
・Dutch : Vraag uw handelaar
om een nederladstalige
gebruiksaanwijzing.
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distributör om manualer pá
svenska.
・Danish : Venligst henvend Dem til den
danske distributør for instructions
manualer.
・Polish : Prosze pytac swojego dealera
lub dystrybutora o instrukcje
obslugi w jezyku localnym.
・中文 :請向當地供應商或経銷商詢問中
文使用説明書
CONTENTS page
IMPORTANT SAFETY INSTRUCTIONS ……………………2
GENERAL: TOOLS …………………………………………… 2
GENERAL: POWER TOOLS ………………………………3
INSTRUCTIONS FOR THIS TOOL …………………………4
1. USAGE ……………………………………………………4
2. CHECK THE CONTENTS OF THE PACKAGE ………4
3. NAME OF PARTS ………………………………………4
4. PREPARATIONS …………………………………………4
5. HOW TO OPERATE THE TOOL ………………………5
6. HOW TO REPLACE INDEXABLE INSERT …………… 8
7. MAINTENANCE AND INSPECTION …………………… 8
8. CONDITION FOR USE ………………………………… 9
9. ORDERING SERVICE PARTS …………………………9
10. OPTIONAL PARTS ………………………………………9
11. EXPLODED DIAGRAM : EMB-0307B ……………… 10
PICTOGRAM
Warning: It might be dangerous to operate the tool if
the instructions supplied are not followed.
Using this tool improperly could result in serious injury.
Read the instruction manual before use.
Always wear suitable eye protection.
Always wear suitable hearing protection.
Always wear respiratory protective equipment (PPE).
Always wear protective gloves for protection of hands
from vibration, Shock and Burns.
Storage Temperature : -10℃ - 60℃ (no freezing)
Storage Humidity : Maximum 90% at 25℃ (no dewing)
Operating Temperature : 5℃ - 40℃
Operating Humidity : Maximum 90% at 25℃ (no dewing)
Altitude : 1000m Max.
Over-voltage Category : Category Ⅱ according to IEC60664-1
Pollution Degree : Degree 3 according to IEC60664-1

2
IMPORTANT SAFETY
INSTRUCTIONS
When using the tool, please observe the safety
precautions below to prevent possible accident or
injury.
GENERAL: TOOLS
Warning
TO OPERATORS
●Wear proper clothing for the type of work being
done.
Take care so that clothing, ties, hair, etc. will not
become entangled with the moving parts. If items
become entangled it will cause the operator to be
pulled towards the tool and lead to possible cause of
accident or injury.
●Always wear suitable eye protection.
Remember, regular glasses are not safety glasses.
The lenses are only shock resistant, which will not
give you sufficient eye protection you may need in
your working environment.
●Always wear suitable hearing protection.
●Wear respiratory protective equipment (PPE).
Wear respiratory protective equipment (PPE) when
working in an environment where dust particles are
generated in operation.
●Always wear protective gloves for protection of
hands from vibration, shock and burns.
●Avoid working posture that is too stressful.
Always ensure a firm footing and well balanced
posture.
●Do not operate the tool if you are too tired.
●Never touch any moving parts of the tool when
running.
ABOUT WORK AREA
●Keep the work area clean.
Cluttered work areas (e.g. workbench) invite
accidents.
●Carefully select the work area.
Do not expose tool to rain.
Do not use tool in a wet or soaked area.
See that the work area is adequately illuminated.
●Never work near inflammable liquid or in a
potentially explosive atmosphere.
●Keep children away from the work area.
Keep children and unauthorized people away from
the work area to avoid accident or injury.
BEFORE OPERATION
●Inspect tool before use.
Before using, check that screws are securely
tightened, that any protective cover or guard is
securely in place, other parts are free from damage
and that the tool runs as it should.
Check that moving parts are properly adjusted for
positioning and tightened, that parts are free from
damage and properly mounted, and that all other
parts are in good condition for normal operation.
Should you find any damage to the protective
cover or other part, replace it in accordance with
the Operation Manual. If there are no instructions
in the Manual, please contact the sales agent
through which you have purchased your tool or an
authorized dealer near you for repair.
Likewise, if a switch failure occurs, contact sales
agent through which you have purchased your tool
or an authorized dealer near you for repair.
Do not use the tool if it does not start or stop with
the start/stop switch.
●Securely mount cutter.
An improperly mounted cutter may fly out, causing
possible damage to the tool or injury to the operator.
●Always remove spanner, wrench, etc., once
adjustment has been made with them.
●Use a tool appropriate for the application.
Avoid heavy-duty application that is beyond the
capacity of tool.
●Do not use the tool for purposes other than what
it is designed for.
●Do not abuse tool.
Use tool in accordance with the specifications: you’ll
get the most out of it while ensuring safety.
●Securely fasten workpiece in place.
Use a vice or clamp to securely fasten the workpiece
in place. It is much safer this way than holding it in
your hand, allowing you to operate the tool with both
hands.
ABOUT HANDLING
●How to store tool.
When the tool is not used, store it in a dry area and
out of reach of children.
●How to carry tool.
Do not touch the start switch while the tool is being
carried.
●Do not leave the tool unattended while it is
running.
Turn off the start switch and disconnect the tool from
power source. Do not leave the work area until the
tool comes to a complete stop.

3
MAINTENANCE/SERVICE
●Do not take apart or modify tool.
Disassembly or modification carried out without
the supervision of a qualified or authorized service
engineer could result in an accident or injury.
●Inspect cutting tool and accessories, etc.
Always check to see that cutting tool and
accessories, etc. are in good operating condition
without damage or deterioration before you mount
them on the tool. Should you find any damage to
an accessory or part, please contact sales agent
through which you have purchased your tool or an
authorized dealer near you for repair.
●Check parts for damage.
When you have found damage to accessory or other
part, carefully check the damaged part to determine
the extent of influence it has upon the functions
of the tool – that is, determine whether it can still
perform its normal functions.
Check to see that the linkage of the moving parts
is OK, that all parts are OK without damage,
that they are properly mounted, and that the tool
functions normally. Should you find any damage
to an accessory or part that may hamper proper
functioning of the tool, please contact sales agent
through which you have purchased your tool or an
authorized dealer near you for repair.
●Have your tool repaired at an authorized Nitto
Service Center.
For repair or parts replacement, please contact the
sales agent through which you have purchased your
tool or an authorized dealer near you.
●Use only Nitto genuine parts.
Use of improper parts may result in serious accident.
To obtain a Nitto genuine part, consult this Manual
or contact the sales agent from which you have
purchased your tool directly.
●Do not detach label or nameplate from tool.
When a label/nameplate gets damaged, worn or
becomes missing, contact the sales agent through
which you have purchased your tool or Nitto Kohki
Co. Ltd, directly for a replacement.
DISPOSAL
●When a tool is taken permanently out of service, it
is advised that the tool is disassembled, degreased
and parts separated by material and recycled locally
in the appropriate manner.
GENERAL: POWER
TOOLS
WARNING
●Always use power source per specifications on
the nameplate.
●Never connect the earthing conductor to a gas
Pipe: if you do so explosion may result.
●Check to see that there is no abnormality in
earth- clipping or earthing conductor.
Conduct continuity check between the earth clip
and a metal portion of the machine with a tester or
insulation resistance tester, if you have one. Wiring
connections involving the installation of earth bar
or plate into the ground will call for the expertise
of a qualified electrician. Please contact your local
electrical contractor.
●Don’t abuse cord.
Don’t carry tool with a cord in your hands; don’t pull
a cord to disconnect it from the socket. Don’t give
damage to cord by abusive use, such as, reworking,
forced bending, exposure to heat, pulling, twisting,
bundling, application of weight, pinching, hanging
from metal hardware, etc.
●Before using the tool, ensure that ground-fault
circuit interrupter for electrical shock guard is
installed in the power source to which the tool
will be connected, as required by the Ordinance
on Labor Safety and Hygiene and/or the
Technical Standard for Electrical Installation.
●Avoid abrupt, unintentional start.
Before connecting a power supply plug to power
source, make sure that the switch is turned off.
●Turn off the switch and disconnect the power
supply plug from power source before setting
up for operation or getting down to inspection or
maintenance work.
●Do not replace the supply cord.
When replacing the supply cord, please contact the
sales agent through which you have purchased your
tool or an authorized dealer near you.

4
INSTRUCTIONS FOR
THIS TOOL
About Your Tool
WARNING
●Use of power is limited to the power source
specified by the rating plate.
●Operate under the power source the voltage
fluctuating rate of which is within ±10 % of the
rated voltage, and the frequency of which is
50/60Hz of sinusoidal wave.
●Before using the tool, make sure the power
source to which it will be connected is fitted
with an earth leakage breaker to prevent electric
shock.
●Extension cord should be selected after ensuring
the diameter is compatible with the length of the
extension.
Beware of extremely long power cord (particularly
wound up thin cords) as they may cause drops in
voltage which weaken the magnetism, adversely
affecting the performance and function of the unit.
Do not share the extension cord with any other
electric machine tools.
Extension Cord
Max. Length Nominal cross-sectional area
10 m 1.25 mm2or more
15 m 2.00 mm2or more
30 m 3.50 mm2or more
●When performing maintenance, inspection,
replacement or adjustment of parts, make sure
to disconnect the attachment plug from the
receptacle.
●To replace the Indexable Insert after using, do
not touch with bare hands as the Indexable
Insert and holder are heated at high temperature.
●Use our original Indexable Inserts.
●Do not use the worn or damaged Indexable
Insert.
●If the unit is exposed under sub-zero temperature for
a prolonged period of time, it may take some time to
start up. This does not mean that the unit is broken.
Once the unit has warmed up, it can be used again.
1. USAGE
This tool is for chamfering workpieces with a Indexable
Insert.
2. CHECK THE CONTENTS OF THE PACKAGE
Check the contents and make sure that the tool does
not have any damage which may have occurred
during transportation. The contents should correspond
to the list as follows. In case of damage/missing
parts, please contact the sales agent from whom you
purchased the tool.
Package Contents Qty Check
MINI BEVELER EMB-0307B 1set
Dust Box Ass’y 1set
Pan Head Screw 5 10 3
Carbon Brush Ass’y 1set
Hex. Socket Screw Key 4 1
Indexable Insert with hole 12.7 1
Indexable Insert Set Screw 4 71
Hex. Nut M8 2
Hex. Socket Set Screw 8 25 Special 2
Spanner T-15D 1
Instruction Manual 1
Declaration of Conformity 1
3. NAME OF PARTS
Adapter
Clamp Lever
Chamfering
Levels
Eccentric Ring
Scale to adjust
Chamfering angles
Plate Guide
Plate D
Lock Plate
Knob
Plate C
Lock Block
Head
Switch
Lock Button
Fig.1
4. PREPARATIONS
WARNING
●Be Sure to turn the switch OFF and remove the
power plug from power supply whenever setting
up the tool.
4-1. Attaching the Dust Box
While pulling up the Dust Catcher in the arrow
direction as illustrated, tighten 3 pcs. of Pan Head
Screw 5 10 the Dust Box on the Head. (Fig.2)

5
Pan Head Screw M5×10
Dust Catcher
Dust Box
Head
Fig.2
5. HOW TO OPERATE THE TOOL
WARNING
●Always wear suitable eye protection, suitable
hearing protection, protective gloves, and
respiratory protective equipment.
5-1. Start and Stop
CAUTION
●Always be sure the unit is in the OFF position
before plugging the power cord into an outlet.
To start, slide the switch forward while pushing down
it. (Fig.3)
To stop, slide back the switch. (Fig.3)
①Pushing
Stop
②Slide②Pushing ①Slide
Start
Fig.3
5-2. How to Adjust Chamfering Levels
WARNING
●Be sure to turn the switch OFF and remove
the power plug from power supply whenever
adjusting chamfering levels.
●The max. chamfering capacity
Stainless Steel: 3C
Mild Steel: 7C
(1) Loosen the Clamp Lever. (Fig.4)
(2) Rotate the arrow mark of the Eccentric Ring to the
Scale to adjust chamfering levels for chamfering
amount required. (Fig.4)
(3) Tighten the Clamp Lever after the adjustment.
(Fig.4)
The level guide is only for reference. If accurate
chamfering is required, set the tool at a chamfering
level about 0.5 smaller than the desired one.
Try a test cut. Then adjust the tool for accurate
chamfering.
In the case of Mild Steel
You can select chamfering levels from 0 to 7C freely.
The maximum chamfering capacity for one-cut is
4C. For 4C to 7C, chamfer a workpiece twice or
three times.
(Ex. 7C: 4C →5.5C →7C Total 3 times)
In the case of Stainless Steel
You can select chamfering levels from 0 to 3C
freely. Chamfer the desired volume at a time without
dividing the chamfering job to several times.
Adapter
Clamp Lever
Chamfering
Levels
Eccentric Ring
Fig.4
5-3. Adjustment of Radius Chamfering in Amount
(1) Fix a radius chamfering Indexable Inserts.
(2) Loosen the Clamp Lever. (Fig.4)
(3) Rotate the arrow mark of the Eccentric Ring to the
scale of the Adapter to adjust chamfering levels
according to the size of the radius chamfering
Indexable Inserts.
(4) Tighten the Clamp Lever after the adjustment.
(5) Conduct a test cutting. Readjust the Clamp Lever,
so that sizes A and B become identical. (Fig.5)
A
B
R
Fig.5
5-4. How To Adjust Chamfering Angle
WARNING
●Be sure to turn the switch OFF and remove
the power plug from power supply whenever
adjusting chamfering angle.

6
(1) Loosen the Hex. Socket Head Cap Screws ①
(4pcs) on both ends on the Plate Guide ②of Head
③. (Fig.6)
(2) Move the Plate Guide ②so that the scale of
desired angle can align to the Guide Mark ④.
(3) Tighten the Hex. Socket Head Cap Screws ①.
The tool has the limit of chamfering width which
depends on a chamfering angle. (Fig.7, Table.1)
Guide Mark④
Head③
Scale to adjust
Chamfering angles
Hex. Socket Head
Cap Screw①
Plate Guide②Plate D
Plate C
Fig.6
α
A
B
C
Fig.7
Chamfering
Angle
Stainless
Steel(mm) Mild Steel(mm)
α A B C A B C
45° 3 3 4.2 7 7 9.9
30° 2.2 3.8 4.4 3.8 6.6 7.6
15° 1 3.8 3.9 1.5 5.6 5.8
Table.1
5-5. Before Cutting
(1) When you start to work from the corner as shown
in Fig.8, cut off the corner first with grinder etc.,
then start.
Corner
Fig.8
(2) Before start chamfering, make sure that the Switch
is set on and the Indexable Insert is rotating. Then,
apply the tool to the workpieces.The Indexable
Inserts may be damaged if the Switch js set
on after Indexable Inserts are pressed on the
workpieces or they may also be damaged if they
are pressed to the workpieces abruptly.
(3) The workpieces should be fixed as much as
possible while working.
5-6. Feeding Speed
Be sure you should avoid quick feeding or heavy
shock. Please refer to Table.2.
Stainless Steel 3cm/sec
Mild Steel 2cm/sec
Table.2
5-7. How To Operation
WARNING
●Be sure to turn the switch OFF and remove
the power plug from power supply whenever
adjusting chamfering levels.
●The workpieces should be fixed as much as
possible while working.
(1) Select the chamfering level.
(2) Make sure that the Switch is set at “OFF” position
and connect the power plug to the power supply.
(3) Hold the Housing up. Start the tool.
(4) Hold the Housing and Knob firmly. Apply the
tool on to the workpiece along with the direction
(shown on the Plate C) carefully.
In case of chamfering stainless steel, chamfer deep to
the desired chamfering level by one span of operation.
Repeat of chamfering makes the life of Indexable
Insert shorter.
5-8. Radius Chamfering
●By using radius chamfering Indexable Inserts, radius
chamfering job can bedone.
●Radius chamfering Indexable Insert is an optional
accessory.
(1) Select the radius chamfering.
(2) Make sure that the Switch is set at “OFF” position
and connect the power plug to the power supply.
(3) Hold the Housing up. Start the tool.
(4) Hold the Housing and Knob firmly. Apply the
tooI on to the workpiece along with the direction
(shown on the Plate C) carefully.
※On Tangential Line Cutting
Because of the constructional reason, it is possible
to make a radius tangential line cutting on the

7
side facing the Plate D by adjusting the Head, but
impossible on the upper side facing the Plate C. For
making a radius tangential line cutting on the upper
side, conduct in a following manner.
(1) Place the tool on workpiece with Plate C on upper
surface of workpiece and Plate D on side surface,
as indicated in Fig.9. Then, turn the Eccentric Ring
to adjust the Indexable Inserts to cut properly side
surface, and conduct the first cut. (see Fig.10)
(2) Next, placing Plate C onside surface and Plate D
on upper surface, conduct the second cut.
(3) In this case, slight seam may be left in center of
chamfered surface. (Fig.11)
Upper Surface
Side Surface
Plate C Plate D
Fig.9
Tangential
Line
Side First cut
Surface
Uppe Surface
R
Fig.10 Fig.11
5-9. How To operation the Dust Box
WARNING
●Be sure to turn the switch OFF and remove the
power plug from power supply whenever setting
up the tool.
●The Dust Box is much heated right after the
operation. Always wear gloves in handling the
Dust Box.
CAUTION
●Frequently throw away the chips in the dust box
before pilling up. If the tool is operated with the
dust box filled with the chips, it badly affects
finishing surfaces shorten the life of Indexable
Insert.
Hold the motor firmly, and throw away the chips by
opening the lid. (Fig.12)
Chip
Fig.12
5-10. Restart Prevention Function
If the power is failed or the tool is accidentally
unplugged from the power supply while in operation,
the restart prevention function will be automatically
activated when the power is restored. The restart
prevention function will keep the motor of the tool
from running even if the power is recovered or you
put in the plug again.
To resume work, turn off the switch and then turn it
on once again.
5-11. Kick Back Stop
When a big shock is given to the cutter during
operation, the motor will stop automatically to protect
the operator and the tool.
Chamfering can only be resumed once the switch is
turned on again.
5-12. How To Chamfer Outer Diameter
WARNING
●Be sure to turn the switch OFF and remove the
power plug from power supply whenever the
accessories are attached or removed.
The tool can be used on the workpieces at the
minimum diameter of 300mm by adjusting dimension
A of both Hex. Socket Set Screws (8 25 special) ①
in either direction. (Fig.13)
Remember that this operation requires the workpieces
of at least 12mm length. (Fig.14)
(1) In the case of constant R (Circle), install two Hex.
Socket Set Screws (8 25 special) ①on Plate
D and tighten with Hex. Nuts. Make sure that the
dimension A of the left and the right screws are
equal.
Chamfering on an outer diameter of O.D. 200mm –
O.D. 300mm can done by placing the Hex. Nut on
the other side of Plate D. (Fig.13, 14)
(2) In the case of variable R (Oval), remove one of the
two Hex. Socket Set Screws (8 25 special) ①.
Side Second cut
Surface
Uppe Surface
Tangential
Line
Tangential
Line
R
R

8
Remember that chamfering level changes depending
on the radii in this case.
Fig.13
Plate D
Min.12
Fig.14
6. HOW TO REPLACE INDEXABLE INSERT
WARNING
●Be sure to turn the switch OFF and remove
the power plug from power supply whenever
replacing Indexable Insert.
●The Indexable Insert and the Holder are much
heated right after the operation. Always wear
gloves in handling the Indexable Insert and the
Holder.
(1) Lay down the Knob with it pulled up. (Fig.15, 16)
(2) Open the Lock Plate with the Knob laid down.
(Fig.17)
(3) Remove the Indexable Insert Set Screw using the
Spanner T-15D attached to take off the Indexable
Insert. (Fig.17)
(4) Mount a new Indexable Insert (including use of
reverse surface) paying attention to the direction of
the IndeXable Insert. (Fig.17)
(5) Close the Lock Plate with the Knob laid down and
lay the Knob aside to lock it. (Fig.18)
PULL
UP
Knob
Fig.15
LAY
DOWN
Fig.16
OPEN Lock Plate Indexable Insert
Indexable Insert
Set Screw
Fig.17
CLOSE①
PUSH②
Fig.18
7. MAINTENANCE AND INSPECTION
WARNING
●Be sure to turn the switch OFF and remove
the power plug from power supply during
maintenance and inspection.
●Perform periodic inspection to check for
loosening of the attachment screws for each
part. Retighten loose screws as required.
7-1. Replacing the Carbon Brushes
●After replacing the carbon brushes, always run
the unit for at least 10 minutes under no load
conditions.
Periodically check for wear on the Carbon Brushes,
because as rectification deteriorates the likelihood
Plate D
A
φ200 〜φ300
Hex. Nut M8①
Hex. Socket Set Screw
8×25 special①
A
Hex. Socket Set Screw
8×25 special①
Hex. Nut M8①
Dimension
Ball Shape
Min.φ300
A
A
Plate D

9
of a failure brush reaches around 5mm, follow the
procedure below to replace the brush with new
ones.
●Because a cut-off brush is used, when it is
worn electricity is automatically cut-off. If this
happens, replace the carbon brush according to
the following procedure.
(1) Loosen the Pan Head Tapping Screw and remove
the Cover. (Fig.19)
(2) Lift the spiral Spring, remove the Carbon Brush
and replace it with the new Carbon Brush. (Fig.20)
(3) Check that the cable is correctly connected.
(4) Attach the Cover and securely tighten the Pan
Head Tapping Screw. Be sure that the Tapping
Screw is correctly threaded; do not attempt to
tighten if the screw is cross-threaded.
Carbon Brush
Spiral Spring
Cover
Tapping Screw
Fig.19
Correct Wrong
The spring
is placed
incorrectly
The lead wire
is placed
incorrectly
Fig.20
8. CONDITION FOR USE
Burn-out chips suggest that either the feed speed is
too slow or the Indexable Insert has worn-out.
Change the cutting conditions or check the conditions
of the Indexable Insert.
9. ORDERING SERVICE PARTS
For further operational and handling information or
for replacement of parts and components, contact the
company from whom you purchased the tool or an
authorized dealer.
In ordering parts and components give each part
number, part name and quantity required.
Use only NITTO genuine parts.
10. OPTIONAL PARTS
Part No. Description Qty
TB01159
Indexable Insert with Hole 12.7 10pcs
TB01791 Indexable Insert 12.7 sq. R2 10pcs
TB01651 Indexable Insert 12.7 sq. R3 10pcs
TB01790 Indexable Insert 12.7 sq. R4 10pcs
TB02539 Attachment for Small Dia. Pipe ※ 1set
※ For Steel Pipe Out Dia. 80mm – 200mm

10
11. EXPLODED DIAGRAM : EMB-0307B
WARNING
This diagram is for your reference only. Do not attempt to service or repair the Tool. Do not take the Tool apart.
Contact an authorized Nitto dealer for all service and repair of the Tool. Improper service and repair can cause
accidents and severe injuries. Never attempt to modify the Tool. Never attempt service or repair the Tool yourself.
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11
No. Part No. Description Qty Price
1 TB02632 Plate C Ass'y 1set
2 (TP16975) Label A (Caution) 1
3 (TQ01684) Label B (Chamfering level) 1
4 TQ03415 Plate D 1
5 TQ00211 Hex. Socket Head Screw 5×82
6 TQ00214 Hex. Socket Head Screw 5×12 2
7 TQ04308 Plate Supporter 1
8 TP18065 Plate Guide 2
9 TP02862 Hex. Socket Head Cap Screw
5×15 4
10 TP02152 Plain Washer M5 4
11 TQ04301 Head 1
12 TQ04305 Shaft 2
13 TB03291 Lock Block A Ass'y 1set
14 (TQ04306) Parallel pin A4×25 1
15 TQ10807 Spring 1.1×10.5×15 2
16 TQ04303 Cover 2
17 TP00021 Hex. Socket Head Cap Screw
5×10 2
18 TA93017 Knob Ass'y 1set
19 TQ04534 Spring Pin 5×50 AW 1
20 TQ04300 Parallel Pin A8×35 1
21 TB03290 Lock Plate Ass'y 1set
22 TQ04298 Parallel Pin A6×20 1
23 TQ04296 Eccentric Ring 1
24 TQ04310 Concentric Snap Ring WR-65 1
25 TP18056 Concentric Snap Ring WR-52 1
26 TB03392 Adapter Ass'y 1set
27 (TQ04442) Bushing LFB-1810 1
28 TQ04297 Eccentric Top 1
29 TQ04294 Clamp Lever KR5×15 1
30
TQ04328
TQ04329
TQ04330
TQ04331
TQ04332
Spacer t0.05 (for adjustment)
Spacer t0.1 (for adjustment)
Spacer t0.2 (for adjustment)
Spacer t0.3 (for adjustment)
Spacer t0.5 (for adjustment)
31 TQ01629 Indexable Insert Set Screw 4×71
32 TB01159 Indexable Insert with Hole 12.7
(10pcs. / Set) 1set
33 TQ03412 Holder 1
34 TQ03795 Spindle 1
35 TB08179 Bearing Case Ass'y F 1set
36 (TQ10600) Hex. Socket Head Cap Screw
4×18 4
37 (TP16791) Ball Bearing 6201LU / 2A 1
38 (TQ11713) Concentric Snap Ring IRTW-32 1
39 (TQ01578) 0-ring 46×48×11
40
TQ03822
TQ03823
TQ03824
TQ03825
Spacer For Bearing Case 0.1mm
Spacer For Bearing Case 0.15mm
Spacer For Bearing Case 0.2mm
Spacer For Bearing Case 0.3mm
42 TB08180 Gear Case Ass'y D 1set
43 (TP16788) Needle Bearing HK0808 1
44 (TB07982) Lock Button Ass'y 1set
45 (TQ03840) Label Caution 1
46 (TQ04210) Air Deflector Ring 1
47 (TQ04203) Ball Bearing 608LU 1
48 (TP16785) Gum Ring A 1
No. Part No. Description Qty Price
49 (TQ04214) Retaining Ring 1
50 TQ12612 Pan Head Tapping Screw
4×25 4
53 TB07984 Armature Ass'y 230V 1set
54 (TQ04200) Fan 1
55 (TP06386) Ball Bearing 607ZZ 1
56 TQ11753 Protective Cover 1
57 TQ11752 Magnet 1
58 TQ04209 Fan Guide 1
59 TQ11774 Stator 230V 1
60 TB08181 Motor Case Ass'y 230V 1set
61 (TQ12817) Label Model Number 1
62 (TQ12818) Label Warning 1
63 TQ11746 Brush Holder 2
64 TQ04216 Pan Head Tapping Screw
2.9×9.5 2
65 TQ11782 Brush Spring 1
66 TB03219 Carbon Brush Ass'y 1set
67 TP16803 Switch Button 1
68 TP16772 Cord Clamp 1
69 TQ11761 Pan Head Tapping Screw
3.9×13 1
70 TQ11733 Switch 1
71 TQ04206 Slider 1
72 TP16804 Spring 0.5×45×29 1
73 TQ11735 Governor 230V 1
74 TQ11740 Insulation Sleeve 1
75 TQ11742 Connecting Cable 1
76 TB08089 Motor Cover Ass'y 1set
77 (TQ03819) Label Electronic 1
78 TQ04217 Pan Head Tapping Screw
3.9×19 1
79 TQ11766 Cord Armor 230V 1
80 TQ11734 Cabtyre Cord 1
81 TB08750 Dust Box Ass'y 1set
82 (TQ04475) Pan Head Screw 5×10 3
83 (TQ12819) Label Caution Dust Box 1
84 TQ04642 Plain Washer M5 12×5.5×0.8 1
85 TQ04775 TQ04776
TQ04777
Spacer t0.1 (for Lock Plate)
Spacer t0.2 (for Lock Plate)
Spacer t0.05 (for Lock Plate)
86 TB08530 Gear Ass’y 1set
41 (TQ12502) Gear 1.25×41 1
52 (TQ12503) Pinion 1.25×12 1
51 (TQ12944) Pinion Nut 1
Accessories
No. Part No. Description Qty Price
Indexeble Insert with Hole 12.7 1
TQ01629 Indexeble Insert Set Screw 4×71
TB03219 Carbon Brush Ass’y 1set
TP01939 Hex. Socket Screw Key 4 1
TQ01683 Spanner T-15D 1
TP08584 Hex. Nut M8 2
TP17133 Hex. SocketSet Screw 8×25 2
TQ12820 Instruction Manual 1
TQ12821 Declaration of Conformity 1
The part numbers with ( ) are included in the Ass’y parts written above them.

عOverseas Affiliates / Offices
NITTO KOHKI U.S.A ., Inc.
4525 Turnberry Drive, Hanover Park, IL 60133, U.S.A
Tel: [phone] Fax:[phone]
http://www.nittokohki.com/index.html
NITTO KOHKI EUROPE Co., Ltd.
Unit 21, Empire Centre, Imperial Way,
Watford Hertfordshire, WD24 4TS, United Kingdom
Tel: [phone] Fax:[phone]
http://www.nitto.co.uk/
NITTO KOHKI DEUTSCHLAND GmbH
Lerchenstr. 47, D-71144 Steinenbronn, Germany
Tel: [phone] Fax:[phone]
http://www.nitto-kohki.de/
NITTO KOHKI AUSTRALIA Pty. Ltd.
77 Brandl Street, Eight Mile Plains QLD 4113,
Australia
Tel: [phone] Fax:[phone]
http://www.nitto-australia.com.au/
NITTO KOHKI Co., Ltd. Singapore Branch
10 Ubi Crescent #01-62, Ubi Techpark Lobby D,
Singapore 408564
Tel: [phone] Fax:[phone]
http://www.nitto-kohki.co.jp/e/nksb/
NITTO KOHKI Co., Ltd. Shanghai Representative Office
#1117 Ruijing Building, Maoming South Road,
Shanghai 200020 China
Tel: [phone] Fax:[phone]
http://www.nitto-kohki.cn/
NITTO KOHKI Co., Ltd. Shenzhen Representative Office
#0726 International Culture Building, 3039, Shennan
Zhong Rd., FutianDistrict, Shenzhen, 518003 China
Tel: ( 86)-755-8375-2185 Fax:[phone]
http://www.nitto-kohki.cn/
NITTO KOHKI Co., Ltd. Bangkok Representative Office
38Q, House Convent Bldg, 7th Floor, Unit 7A,
Convent Rd, Silom, Bangkok,10500 Thailand
Tel: ( 6 6 ) - 2 -632-0307 Fax:[phone]
http://www.nittobkk.com/eng_index.htm
EC DECLARATION OF CONFORMITY
We hereby declare that the following our product conforms with the essential health and safety requirements of
EEC Directives.
Product䋺ELECTRIC CHAMFERING TOOL
Model䋺MINI BEVELER: EMB-0307B
Serial No䋺X
X X X X X
Consecutive numbers (00001䌾99999)
Christian era’s last digit (0䌾9)
Manufacturer䋺NITTO KOHKI Co., Ltd.
2-9-4, Nakaikegami, Ohta-ku, Tokyo, 146-8555, Japan
Authorised Compiler in the Community䋺
Masatoshi Ogue
President
NITTO KOHKI EUROPE Co., Ltd.
Unit21, Empire Centre, Imperial Way, Watford Hertfordshire, WD24 4TS, UK
Tel:[phone] Fax:[phone]
Directive㧦98/37/EC and 2006/42/EC Machinery Directive
2006/95/ECLowVoltageDirective
2004/108/EC EMC Directive
The above product has been evaluated for conformity with above directives using the following European standards.
The technical construction file (TCF) for this product is retained at the above manufacturer’s location.
Machinery Directive䋺EN ISO12100-1:2003, EN ISO12100-2:2003,
EN ISO14121-1:2007, EN60745-1:2006, others
Name䋺K.Kishi
Title: GENERAL MANAGER MACHINE TOOLS DIV.
Being the responsible person appointed and employed the manufacturer.
Printed in JAPAN TQ12820-2