12
4
6
8
3
5
7
Dust Collection Circular Saw
Sierra circular con toma de aspiración
C 5YC
Handling instructions
Instrucciones de manejo
Read through carefully and understand these instructions before use.
Leer cuidadosamente y comprender estas instrucciones antes del uso.
1
612
Code No. C99120631 N
Printed in Japan
Hitachi Koki Co., Ltd.
1
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6
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6
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2 0
A
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( G )
8
9
H
I
J
2
5
7
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( C )
( E )
12
4
6
8
3
5
7
Dust Collection Circular Saw
Sierra circular con toma de aspiración
C 5YC
Handling instructions
Instrucciones de manejo
Read through carefully and understand these instructions before use.
Leer cuidadosamente y comprender estas instrucciones antes del uso.
1
612
Code No. C99120631 N
Printed in Japan
Hitachi Koki Co., Ltd.
1
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2
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6
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8
6
9
2 0
A
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C
3
D
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I
J
2
5
7
8
( C )
( E )
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910
12
11
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13
20
K
L
7
8
M
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English
Espanol
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A
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F
G
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J
K
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N
O
P
Q
R
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V
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X
Y
Z
Workpiece Pieza de trabajo
Base Base
Workbench Banco de trabajo
Saw blade Cuchilla de sierra
Clamp lever Palanca de la abrazadera
Link Enlace
Loosen Aflojar
Tighten Apretar
Scale link Enlace de escala
Guide Guía
Wing bolt Perno de mariposa
Premarked line Línea predefinida
When not inclined
Cuando no está inclinado
Large guide slot Ranura guía grande
When inclined 45°
Cuando está inclinado 45
°
Small guide slot Ranura guía pequeña
It is the figure seen Es la figura vista desde
from the top. arriba.
Inclination scale Escala de inclinación
Wing bolt Perno de mariposa
Cutting position Posición de corte
Slide cover Tapa deslizante
Projection part Parte saliente
A lock lever is pushed in
Una palanca de bloqueo
está pulsada
A hexagonal flange bolt is
Los pernos de reborde hexagonal
turned with a box spanner.
se giran con una llave de cazoleta.
Lever Palanca
Lower guard Protector inferior
Hexagonal flange bolt
Perno de reborde hexagonal
Washer (A) Arandela (A)
Washer (B) Arandela (B)
Spindle Husilio
Dust bag Bolsa para polvos
Clasp Presilla
Adapting mouth Boquilla adaptadora
Fastener Cierre
Slotted set screw
Tornillo de fijación ranurado
Square Escuadra
2
3
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English
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9
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A
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K
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M
N
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Q
R
S
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V
V
X
Y
Z
Workpiece Pieza de trabajo
Base Base
Workbench Banco de trabajo
Saw blade Cuchilla de sierra
Clamp lever Palanca de la abrazadera
Link Enlace
Loosen Aflojar
Tighten Apretar
Scale link Enlace de escala
Guide Guía
Wing bolt Perno de mariposa
Premarked line Línea predefinida
When not inclined
Cuando no está inclinado
Large guide slot Ranura guía grande
When inclined 45°
Cuando está inclinado 45
°
Small guide slot Ranura guía pequeña
It is the figure seen Es la figura vista desde
from the top. arriba.
Inclination scale Escala de inclinación
Wing bolt Perno de mariposa
Cutting position Posición de corte
Slide cover Tapa deslizante
Projection part Parte saliente
A lock lever is pushed in
Una palanca de bloqueo
está pulsada
A hexagonal flange bolt is
Los pernos de reborde hexagonal
turned with a box spanner.
se giran con una llave de cazoleta.
Lever Palanca
Lower guard Protector inferior
Hexagonal flange bolt
Perno de reborde hexagonal
Washer (A) Arandela (A)
Washer (B) Arandela (B)
Spindle Husilio
Dust bag Bolsa para polvos
Clasp Presilla
Adapting mouth Boquilla adaptadora
Fastener Cierre
Slotted set screw
Tornillo de fijación ranurado
Square Escuadra
4
English
GENERAL SAFETY RULES
WARNING!
Read all instructions
Failure to follow all instructions listed below may result in
electric shock, fire and/or serious injury.
The term “power tool” in all of the warnings listed below
refers to your mains operated (corded) power tool or battery
operated (cordless) power tool.
SAVE THESE INSTRUCTIONS
1) Work area
a) Keep work area clean and well lit.
Cluttered and dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of flammable
liquids, gases or dust.
Power tools create sparks which may ignite the
dust of fumes.
c) Keep children and bystanders away while operating
a power tool.
Distractions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet.
Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools.
Unmodified plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators.
There is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions.
Water entering a power tool will increase the risk
of electric shock.
d) Do not abuse the cord. Never use the cord for
carrying, pulling or unplugging the power tool.
Keep cord away from heat, oil, sharp edges or
moving parts.
Damaged or entangled cords increase the risk of
electric shock.
e) When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces
the risk of electric shock.
3) Personal safety
a) Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use a power tool while you are tired or
under the influence of drugs, alcohol or medication.
A moment of inattention while operating power
tools may result in serious personal injury.
b) Use safety equipment. Always wear eye protection.
Safety equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protection used
for appropriate conditions will reduce personal
injuries.
c) Avoid accidental starting. Ensure the switch is in
the off position before plugging in.
Carrying power tools with your finger on the
switch or plugging in power tools that have the
switch on invites accidents.
d) Remove any adjusting key or wrench before
turning the power tool on.
A wrench or a key left attached to a rotating part
of the power tool may result in personal injury.
e) Do not overreach. Keep proper footing and balance
at all times.
This enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing and gloves
away from moving parts.
Loose clothes, jewellery or long hair can be caught
in moving parts.
g) If devices are provided for the connection of dust
extraction and collection facilities, ensure these
are connected and properly used.
Use of these devices can reduce dust related hazards.
4) Power tool use and care
a) Do not force the power tool. Use the correct
power tool for your application.
The correct power tool will do the job better and
safer at the rate for which it was designed.
b) Do not use the power tool if the switch does not
turn it on and off.
Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
c) Disconnect the plug from the power source before
making any adjustments, changing accessories, or
storing power tools.
Such preventive safety measures reduce the risk
of starting the power tool accidentally.
d) Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the
power tool or these instructions to operate the
power tool.
Power tools are dangerous in the hands of
untrained users.
e) Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and
any other condition that may affect the power
tools operation.
If damaged, have the power tool repaired before
use.
Many accidents are caused by poorly maintained
power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to
control.
g) Use the power tool, accessories and tool bits etc.,
in accordance with these instructions and in the
manner intended for the particular type of power
tool, taking into account the working conditions
and the work to be performed.
Use of the power tool for operations different from
intended could result in a hazardous situation.
5) Service
a) Have your power tool serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety of the power tool
is maintained.
PRECAUTION
Keep children and infirm persons away.
When not in use, tools should be stored out of reach of
children and infirm persons.
01Eng_C5YC_ChT.P65E 10/18/06, 11:58 AM4
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5
SPECIFICATIONS
Voltage (by areas)* (110 V, 230 V, 240 V)
Cutting Depth 35 mm Max.
Power Input* 1010 W
Capacity 125 mm Max. Hole diam. 20 mm
Dimensions (Length
×
Height
×
Width) 284 mm
×
208 mm
×
320 mm
No Load Speed 9600 / min
Weight (without cord) 2.9 Kg
STANDARD ACCESSORIES
(1) Box wrench ............................................................... 1
(2) Guide .......................................................................... 1
(3) Dust bag .................................................................... 1
Standard accessories are subject to change without
notice.
OPTIONAL ACCESSORIES (sold separately)
䡬 Carbide Tipped Saw Blade (Dia. 125 mm) for the
gypsum board.
Optional accessories are subject to change without
notice.
APPLICATIONS
(1) Cutting the hard boards types T9 and T7.
(ex. harditex, hardiflex, etc.)
(2) Cutting the gypsum board.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a receptacle while the
power switch is in the ON position, the power tool
will start operating immediately, which could cause
a serious accident.
* Be sure to check the nameplate on product as it is subject to change by areas.
PRECAUTIONS ON USING CIRCULAR SAW
1. Do not use saw blades which are deformed or
cracked.
2. Do not use saw blades made of high speed steel.
3. Do not use saw blades which do not comply with
the characteristics specified in these instructions.
4. Do not stop the saw blades by lateral pressure on
the side surface of disc.
5. Always keep the saw blade sharp.
6. Ensure that the lower guard moves smoothly and
freely.
7. Never use the circular saw with its lower guard
fixed in the open position.
8. Ensure that the retraction mechanism of the guard
system operates accurately.
9. Never operate the circular saw with grasping the
saw blade upside down or to the lateral direction.
10. Ensure that the material is free of foreign matters
such as nails.
11. For model C5YC, the saw blade’s diameters which
can be mounted are 125 mm or less.
12. Be careful of brake kickback.
This circular saw incorporates an electric brake that
functions when the switch is released. As there is
some kickback when the brake functions, be sure to
hold the main body securely.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
4. Prepare a wooden workbench (Fig. 1)
Since the saw blade will extend beyond the lower
surface of the lumber, place the lumber on the
workbench prior to cutting. If a square block is
utilized as the workbench, adjust leveling to ensure
that it is properly stabilized. An unstable workbench
will result in hazardous operation.
CAUTION
● To avoid possible accident, remains always ensure
that the portion of workpiece after cutting is securely
anchored or held in position.
ADJUSTING THE SAW PRIOR TO USE
1. Adjusting the cutting depth (Fig. 2)
CAUTION
If the clamp lever is loose, injury can result.
Tighten it securely after adjustment.
(1) To adjust cutting depth, loosen the clamp lever and,
while holding the base with one hand, move the
main body up and down to obtain the prescribed
cutting depth. After adjusting to the prescribed
cutting depth, tighten the clamp lever securely.
(2) When a base and saw blade are right-angled, it cuts
deeply using the scale of a link part, and the depth
can be adjusted (Fig. 3).
01Eng_C5YC_ChT.P65E 10/18/06, 11:58 AM5
6
English
3. Regulating the guide (Fig. 4)
The cutting position can be regulated by moving
the guide to the left or right after loosening its
wing-bolt. The guide may be mounted on either the
right or left side of the base.
CUTTING PROCEDURES
CAUTION
䡬 During use, when the body is out of condition or there
is unusual sound, please turn off a switch immediately.
䡬 During cutting, please do not pry the body or do not
push too much strongly. Please carry forward the
body calmly straightly.
It becomes the cause of an injury in response to
restitution. Moreover, while unreasonableness starts
a motor part, the life of saw blade is shortened.
䡬 Please do not carry out usage which made saw blade
facing up and sideways.
It becomes the cause of an injury.
䡬 Please use protection glasses.
䡬 Please use the protection implement of an ear.
䡬 Surely, the time of work discontinuation and after
work should turn off and put a switch, and should
pull out a lump plug from a power supply wall socket.
䡬 Be careful by rotating saw blade not to cut a code.
NOTE
䡬 Before beginning cutting, rotation of saw blade should
become the maximum high speed.
䡬 Extrusion fabrication cement building materials
should not cut 1 time of the cut depth with the speed
of 40 cm or less in 20 mm or less and 1 minute.
When using the cut depth, making it shallow, in order
that edge of a blade may open, dust-collecting power
declines.
1. The body (base) is carried on work piece and guide
slot of the base front part is united with a premarked
line.
When you do not incline, please follow large guide
slot as a guide, and when you incline (45°), follow
small guide slot as a guide (Fig. 5, Fig. 6, Fig. 7).
2. Saw blade turns on a switch in the state where work
piece cannot be touched.
This state is maintained until it carries forward the
body ahead slowly and finishes cutting it then.
For pulling and cleaning the skin, it advances straightly
with fixed speed.
MOUNTING AND DISMOUNTING THE SAW
BLADE
As for this body, saw blade is not attached to the body at
the time of factory shipments.
Please carry out attachment and removal of saw blade in
the following procedure in the case of use.
CAUTION
䡬 Surely, please turn off and put a switch in the case of
attachment and removal of saw blade, and pull out a
lump plug from a power supply wall socket.
It becomes the basis of the unexpected accident.
䡬 Attachment and detachment of a hexagonal flange
bolt should work with an attached box spanner.
If tools other than attachment are used, it will become
past [a bundle] and the shortage of bolting, and will
become the cause of an injury.
1. How to attach (Fig. 8)
(1) The cut depth is made into the minimum.
A lever is loosened, a base is made into the minimum
cut depth, and a lever is fastened.
(2) Two projection parts of a slide cover are pressed
down with a finger, and it moves up (Fig. 9).
(3) A washer (A) is removed (Fig. 10).
Pushing in a lock lever, a hexagonal flange bolt is
loosened with an attached box spanner, and a washer
(A) is removed.
Since a hexagonal flange bolt is a left screw, it will
loosen, if it turns clockwise.
After removing, the garbage adhering to the spindle
or the washer (A) is often wiped off.
(4) Saw blade is attached (Fig. 11)
A lower guard is carried out to full open, and saw
blade is attached.
It is made in agreement [the direction of an arrow of
saw blade] with the direction of an arrow of saw
cover.
(5) A hexagonal flange bolt is tightened (Fig. 12).
A washer (A) and a hexagonal flange bolt are attached
in order of the left figure, and a hexagonal flange bolt
is fully bound tight using an attached box spanner,
pushing a lock lever.
USE OF DUST BAG
CAUTION
䡬 To avoid serious accident, ensure the switch is
in the OFF position, and disconnect the plug from
the receptacle.
䡬 Never attempt to saw any material like metal and
so on that give off sparks. Such action can lead
to fire or injury.
1. Mounting the dust bag
Hold the clasp of the dust bag and insert it into
the adapting mouth of the body while opening the
thrusting mouth (Fig. 13).
2. Dumping sawdust and cleaning the inside of dust
bag
NOTE
䡬 If too much sawdust is accumulated inside the
dust bag, the dust collector will run low on
power. Attempt to dump the sawdust as early
as you can and clean the dust bag thoroughly
so that you can enjoy your work with strong dust
collecting power.
(1) Hold the clasp, open the thrusting mouth of the
dust bag, and pull it off from the body.
(2) Open the fastener (Fig. 14) and dump the sawdust.
MAINTENANCE AND INSPECTION
1. Inspecting the saw blade
Since use of a dull saw blade will degrade efficiency
and cause possible motor malfunction. Resharpen and
replace the saw blade as soon as abrasion is noted.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure
that they are properly tightened. Should any of the
screws be loose, retighten them immediately. Failure
to do so could result in serious hazard.
01Eng_C5YC_ChT.P65E 10/18/06, 11:58 AM6
English
7
3. Maintenance of the motor
The motor unit winding is the very “heart” of the
power tool.
Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Inspecting the carbon brushes
For your continued safety and electrical shock
protection, carbon brush inspection and replacement
on this tool should ONLY be performed by a Hitachi
Authorized Service Center.
5. Replacing supply cord
If the supply cord of Tool is damaged, the Tool
must be returned to Hitachi Authorized Service
Center for the cord to be replaced.
6. Adjusting the base and saw blade to maintain
perpendicularity
The angle between the base and the saw blade has
been adjusted to 90°, however should this
perpendicularity be lost for some reason, adjust in
the following manner:
(1) Placing a square against the base of the tool,
determine the angle desired and lightly tighten the
M4 screw (See Fig. 15).
(2) Turn the angle adjustment screw until the end of
the screw touches the bevel plate.
(3) After all adjustments have been made, firmly tighten
the M4 screw.
7. Service parts list
CAUTION
Repair, modification and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
This Parts List will be helpful if presented with the
tool to the Hitachi Authorized Service Center when
requesting repair or other maintenance.
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
MODIFICATIONS
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without
prior notice.
NOTE
Due to HITACHI’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
01Eng_C5YC_ChT.P65E 10/18/06, 11:58 AM7
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ITEM
NO.
PART NAME
1SAW COVER
2 BOLT (LEFT HAND) W/WASHER M7 × 17.5
3WASHER (A)
4WASHER (B)
5 DUST WASHER
6 O-RING (1AP-20)
7 MACHINE SCREW (W/WASHER) M4 × 14
8 RETAINING RING FOR D30 SHAFT
9 LEVER
10 RETURN SPRING
11 LOWER GUARD
12 SEAL LOCK FLAT HD. SCREW M4 × 14
13 BEARING HOLDER
14 SLEEVE
15 BALL BEARING 6094DDPS2L
16 SPINDLE AND GEAR SET
17 BALL BEARING 606ZZC2PS2L
18 MACHINE SCREW M4 × 8
19 GEAR COVER
20 SPACER
21 MACHINE SCREW M4 × 10
22 LED CASE (D)
23 MACHINE SCREW (W/SP. WASHERS) M4 × 20
24 PINION
25 BALL BEARING 629VVC2PS2L
26 RUBBER RING
27 LOCK LEVER
28 ARMATURE
29 FAN GUIDE
30 HEX. HD. TAPPING SCREW D5 × 65
31 STATOR ASSAY
32 BRUSH TERMINAL
33 FLAT HD. SCREW M5 × 20
34 CUSHION
35 DEPTH LIMITED
36 CLEAR COVER
37 WASHER (A)
38 BALL BEARING 608VVC2PS2L
39 HOUSING ASSAY
40 TAPPING SCREW (W/FLANGE) D4 × 20
41 NAME PLATE
42 MACHINE SCREW (W/SP. WASHERS) M5 × 35
43 BASE ASSAY
44 ROLL PIN D& × 45
45 WING BOLT M6 × 16.5
46 LOCK SPRING
ITEM
NO.
PART NAME
47 SUPER LOCK WASHER M6
48 WING BOLT (A)
49 HANDLE COVER
50 SWITCH
51 SLOTTED HD. SET SCREW (SEAL LOCK) M6 × 6
52 BOLT WASHER M8
53 LOCK BOLT M8
54 LOCK LEVER
55 MACHINE SCREW (W/SP.WASHERS) M4 × 12
56 TAPPING SCREW (W/WASHER) D4 × 16
57 CORD CLIP
58 CORD
59 CORD ARMOR
60 BRUSH CAP
61 CARBON BRUSH
62 BRUSH HOLDER
63 HEX. SOCKET SET SCREW M5 × 8
501 GUIDE
502 BOX WRENCH 10MM
503 DUST BAG
504 SPACER
04Back_C5YC_ChT.P65E 10/18/06, 11:57 AM18
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04Back_C5YC_ChT.P65E 10/18/06, 11:57 AM19
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Workpiece Pieza de trabajo
Base Base
Workbench Banco de trabajo
Saw blade Cuchilla de sierra
Clamp lever Palanca de la abrazadera
Link Enlace
Loosen Aflojar
Tighten Apretar
Scale link Enlace de escala
Guide Guía
Wing bolt Perno de mariposa
Premarked line Línea predefinida
When not inclined
Cuando no está inclinado
Large guide slot Ranura guía grande
When inclined 45°
Cuando está inclinado 45
°
Small guide slot Ranura guía pequeña
It is the figure seen Es la figura vista desde
from the top. arriba.
Inclination scale Escala de inclinación
Wing bolt Perno de mariposa
Cutting position Posición de corte
Slide cover Tapa deslizante
Projection part Parte saliente
A lock lever is pushed in
Una palanca de bloqueo
está pulsada
A hexagonal flange bolt is
Los pernos de reborde hexagonal
turned with a box spanner.
se giran con una llave de cazoleta.
Lever Palanca
Lower guard Protector inferior
Hexagonal flange bolt
Perno de reborde hexagonal
Washer (A) Arandela (A)
Washer (B) Arandela (B)
Spindle Husilio
Dust bag Bolsa para polvos
Clasp Presilla
Adapting mouth Boquilla adaptadora
Fastener Cierre
Slotted set screw
Tornillo de fijación ranurado
Square Escuadra
12
4
6
8
3
5
7
Dust Collection Circular Saw
Sierra circular con toma de aspiración
C 5YC
Handling instructions
Instrucciones de manejo
Read through carefully and understand these instructions before use.
Leer cuidadosamente y comprender estas instrucciones antes del uso.
1
612
Code No. C99120631 N
Printed in Japan
Hitachi Koki Co., Ltd.
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