Manuale Hitachi G 18UC Smerigliatrice angolare

Manuale

3

English

SAFETY WARNINGS COMMON FOR

GRINDING OR ABRASIVE CUTTING-

OFF OPERATIONS

a) This power tool is intended to function as a

grinder or cut-off tool. 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 or

polishing 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.

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.

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 AND ABRASIVE CUTTING-

OFF 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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