Hikoki G 10SS2 Disc Grinder ユーザーマニュアル
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G12SS2
Disc Grinder
G 10SS2 • G 12SS2
G 13SS2
Handling instructions
Keep for future reference
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English
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GENERAL POWER TOOL SAFETY WARNINGS
WARNING
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may result in electric shock, fi re and/or serious
injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
1) Work area safety
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive atmospheres, such as in the presence
of fl ammable liquids, gases or dust.
Power tools create sparks which may ignite the dust or 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.
Unmodifi ed 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.
CONTENTS
GENERAL POWER TOOL SAFETY WARNINGS ........................................13
SAFETY WARNINGS COMMON FOR GRINDING OPERATIONS ..............15
KICKBACK AND RELATED WARNINGS .....................................................17
SAFETY WARNINGS SPECIFIC FOR GRINDING OPERATIONS ...............17
GENERAL SAFETY INSTRUCTIONS FOR GRINDERS ..............................18
SYMBOLS ....................................................................................................19
SPECIFICATIONS ........................................................................................ 19
STANDARD ACCESSORIES .......................................................................20
APPLICATIONS ............................................................................................20
PRIOR TO OPERATION ...............................................................................20
PRACTICAL GRINDER APPLICATION ........................................................22
ASSEMBLING AND DISASSEMBLING THE DEPRESSED CENTER
WHEEL (Fig. 5) ............................................................................................. 23
MAINTENANCE AND INSPECTION ............................................................ 24
SELECTING ACCESSORIES .......................................................................25
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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.
f) If operating a power tool in a damp location is unavoidable, use a residual
current device (RCD) protected supply.
Use of an RCD 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 infl uence of drugs,
alcohol or medication.
A moment of inattention while operating power tools may result in serious personal
injury.
b) Use personal protective equipment. Always wear eye protection.
Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing
protection used for appropriate conditions will reduce personal injuries.
c) Prevent unintentional starting. Ensure the switch is in the off position before
connecting to power source and/or battery pack, picking up or carrying the
tool.
Carrying power tools with your fi nger on the switch or energising 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 dust collection 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.
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c) Disconnect the plug from the power source and/or the battery pack from the
power tool 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 aff ect the power toolʼs
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, taking into account the working conditions and the work to be
performed.
Use of the power tool for operations diff erent from those intended could result in a
hazardous situation.
5) Service
a) Have your power tool serviced by a qualifi ed repair person using only identical
replacement parts.
This will ensure that the safety of the power tool is maintained.
PRECAUTION
Keep children and infi rm persons away.
When not in use, tools should be stored out of reach of children and infi rm persons.
SAFETY WARNINGS COMMON FOR GRINDING
OPERATIONS
a) This power tool is intended to function as a grinder. Read all safety warnings,
instructions, illustrations and specifi cations provided with this power tool.
Failure to follow all instructions listed below may result in electric shock, fi re and/or serious
injury.
b) Operations such as sanding, wire brushing, polishing or cutting-off are not
recommended to be performed with this power tool.
Operations for which the power tool was not designed may create a hazard and cause
personal injury.
c) Do not use accessories which are not specifi cally designed and recommended by
the tool manufacturer.
Just because the accessory can be attached to your power tool, it does not assure safe
operation.
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d) The rated speed of the accessory must be at least equal to the maximum speed
marked on the power tool.
Accessories running faster than their rated speed can break and fl y apart.
e) The outside diameter and the thickness of your accessory must be within the
capacity rating of your power tool.
Incorrectly sized accessories cannot be adequately guarded or controlled.
f) Threaded mounting of accessories must match the grinder spindle thread. For
accessories mounted by fl anges, the arbour hole of accessory must fi t the locating
diameter of the fl ange.
Accessories that do not match the mounting hardware of the power tool will run out of
balance, vibrate excessively and may cause loss of control.
g) Do not use a damaged accessory. Before each use inspect the accessory such
as abrasive wheels for chips and cracks, backing pad for cracks, tear or excess
wear, wire brush for loose or cracked wires. If power tool or accessory is dropped,
inspect for damage or install an undamaged accessory. After inspecting and
installing an accessory, position yourself and bystanders away from the plane of
the rotating accessory and run the power tool at maximum no-load speed for one
minute.
Damaged accessories will normally break apart during this test time.
h) Wear personal protective equipment. Depending on application, use face shield,
safety goggles or safety glasses. As appropriate, wear dust mask, hearing
protectors, gloves and workshop apron capable of stopping small abrasive or
workpiece fragments.
The eye protection must be capable of stopping fl ying debris generated by various
operations. The dust mask or respirator must be capable of fi ltrating particles generated by
your operation. Prolonged exposure to high intensity noise may cause hearing loss.
i) Keep bystanders a safe distance away from work area. Anyone entering the work
area must wear personal protective equipment.
Fragments of workpiece or of a broken accessory may fl y away and cause injury beyond
immediate area of operation.
j) Hold the power tool by insulated gripping surfaces only, when performing an
operation where the cutting accessory may contact hidden wiring or its own cord.
Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool
“live” and could give the operator an electric shock.
k) Position the cord clear of the spinning accessory.
If you lose control, the cord may be cut or snagged and your hand or arm may be pulled
into the spinning accessory.
l) Never lay the power tool down until the accessory has come to a complete stop.
The spinning accessory may grab the surface and pull the power tool out of your control.
m) Do not run the power tool while carrying it at your side.
Accidental contact with the spinning accessory could snag your clothing, pulling the
accessory into your body.
n) Regularly clean the power tool’s air vents.
The motor’s fan will draw the dust inside the housing and excessive accumulation of
powdered metal may cause electrical hazards.
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o) Do not operate the power tool near fl ammable materials.
Sparks could ignite these materials.
p) Do not use accessories that require liquid coolants.
Using water or other liquid coolants may result in electrocution or shock.
KICKBACK AND RELATED WARNINGS
Kickback is a sudden reaction to a pinched or snagged rotating wheel, backing pad,
brush or any other accessory. Pinching or snagging causes rapid stalling of the rotating
accessory which in turn causes the uncontrolled power tool to be forced in the direction
opposite of the accessory’s rotation at the point of the binding.
For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of
the wheel that is entering into the pinch point can dig into the surface of the material
causing the wheel to climb out or kick out. The wheel may either jump toward or away
from the operator, depending on direction of the wheel’s movement at the point of
pinching.
Abrasive wheels may also break under these conditions.
Kickback is the result of power tool misuse and/or incorrect operating procedures or
conditions and can be avoided by taking proper precautions as given below.
a) Maintain a fi rm grip on the power tool and position your body and arm to allow you
to resist kickback forces. Always use auxiliary handle, if provided, for maximum
control over kickback or torque reaction during start-up.
The operator can control torque reactions or kickback forces, if proper precautions are
taken.
b) Never place your hand near the rotating accessory.
Accessory may kickback over your hand.
c) Do not position your body in the area where power tool will move if kickback
occurs.
Kickback will propel the tool in direction opposite to the wheel’s movement at the point of
snagging.
d) Use special care when working corners, sharp edges etc. Avoid bouncing and
snagging the accessory.
Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and
cause loss of control or kickback.
e) Do not attach a saw chain woodcarving blade or toothed saw blade.
Such blades create frequent kickback and loss of control.
SAFETY WARNINGS SPECIFIC FOR GRINDING
OPERATIONS
a) Use only wheel types that are recommended for your power tool and the specifi c
guard designed for the selected wheel.
Wheels for which the power tool was not designed cannot be adequately guarded and are
unsafe.
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b) The grinding surface of centre depressed wheels must be mounted below the
plane of the guard lip.
An improperly mounted wheel that projects through the plane of the guard lip cannot be
adequately protected.
c) The guard must be securely attached to the power tool and positioned for
maximum safety, so the least amount of wheel is exposed towards the operator.
The guard helps to protect the operator from broken wheel fragments, accidental contact
with wheel and sparks that could ignite clothing.
d) Wheels must be used only for recommended applications. For example: do not
grind with the side of cut-off wheel.
Abrasive cut-off wheels are intended for peripheral grinding, side forces applied to these
wheels may cause them to shatter.
e) Always use undamaged wheel fl anges that are of correct size and shape for your
selected wheel.
Proper wheel fl anges support the wheel thus reducing the possibility of wheel breakage.
Flanges for cut-off wheels may be diff erent from grinding wheel fl anges.
f) Do not use worn down wheels from larger power tools.
Wheel intended for larger power tool is not suitable for the higher speed of a smaller tool
and may burst.
GENERAL SAFETY INSTRUCTIONS FOR GRINDERS
— Check that speed marked on the wheel is equal to or greater than the rated speed
of the grinder;
— Ensure that the wheel dimensions are compatible with the grinder;
— Abrasive wheels shall be stored and handled with care in accordance with
manufacturer’s instructions;
— Inspect the grinding wheel before use, do not use chipped, cracked or otherwise
defective products;
— Ensure that mounted wheels and points are fitted in accordance with the
manufacturer’s instructions;
— Ensure that blotters are used when they are provided with the bonded abrasive
product and when they are required;
— Ensure that the abrasive product is correctly mounted and tightened before use
and run the tool at no-load for 30 seconds in a safe position, stop immediately if
there is considerable vibration or if other defects are detected. If this condition
occurs, check the machine to determine the cause;
— If a guard is equipped with the tool never use the tool without such a guard;
— Do not use separate reducing bushings or adapters to adapt large hole abrasive
wheels;
— For tools intended to be fitted with threaded hole wheel, ensure that the thread in
the wheel is long enough to accept the spindle length;
— Check that the work piece is properly supported;
— Do not use cutting off wheel for side grinding;
— Ensure that sparks resulting from use do not create a hazard e.g. do not hit
persons, or ignite flammable substances;
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— Ensure that ventilation openings are kept clear when working in dusty conditions, if
it should become necessary to clear dust, first disconnect the tool from the mains
supply (use non metallic objects) and avoid damaging internal parts;
— Always use eye and ear protection. Other personal protective equipment such as
dust mask, gloves, helmet and apron should be worn;
— Pay attention to the wheel that continues to rotate after the tool is switched off.
SYMBOLS
WARNING
The following show symbols used for the machine. Be sure that you understand their
meaning before use.
G10SS2 / G12SS2 / G13SS2: Disc Grinder
To reduce the risk of injury, user must read instruction manual.
Always wear eye protection.
Class II tool
SPECIFICATIONS
Model G10SS2 G12SS2 G13SS2
Voltage 220 V
Power Input 600 W
Rated speed 11500/min
Wheel
Outer dia. × thickness ×
hole dia. 100 × 4 × 16 mm 115 × 6 × 22.23 mm 125 × 6 × 22.23 mm
Peripheral speed 72 m/s 80 m/s
Weight (Only main body) 1.7 kg 1.8 kg 1.8 kg
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STANDARD ACCESSORIES
See the list below to check the accessories for G10SS2, G12SS2 and G13SS2.
G10SS2 G12SS2 G13SS2
Wrench 111
Side handle* 111
* Not included by areas.
APPLICATIONS
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Removal of casting fi n and fi nishing of various types of steel, bronze and aluminum
materials and castings.
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Grinding of welded sections or sections cut by means of a cutting torch.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms to the power requirements specifi ed
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.
3. Extension cord
When the work area is removed from the power source, use an extension cord of suffi cient
thickness and rated capacity. The extension cord should be kept as short as practicable.
4. Fitting and adjusting the wheel guard (Fig. 1)
The wheel guard is a protective
device to prevent injury should the
depressed center wheel shatter
during operation. Ensure that the
guard is properly fi tted and fastened
before commencing grinding operation.
By slightly loosening the setting screw,
the wheel guard can be turned and
set at any desired angle for maximum
operational eff ectiveness. Ensure
that the setting screw is thoroughly
tightened after adjusting the wheel
guard. Packing gland
Wheel guard
Fig. 1
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