Bosch GWS 780 C Professional: English

OBJ_BUCH-161-007.book Page 12 Thursday, August 22, 2013 3:50 PM

12 | English

 Keep cutting tools sharp and clean. Properly maintained

 Wear personal protective equipment. Depending on

cutting tools with sharp cutting edges are less likely to bind

application, use face shield, safety goggles or safety

and are easier to control.

glasses. As appropriate, wear dust mask, hearing pro-

 Use the power tool, accessories and tool bits etc. in ac-

tectors, gloves and shop apron capable of stopping

cordance with these instructions, taking into account

small abrasive or workpiece fragments. The eye protec-

the working conditions and the work to be performed.

tion must be capable of stopping flying debris generated

Use of the power tool for operations different from those

by various operations. The dust mask or respirator must be

intended could result in a hazardous situation.

capable of filtrating particles generated by your operation.

Prolonged exposure to high intensity noise may cause

 To save energy, only switch the power tool on when using it.

hearing loss.

Service

 Keep bystanders a safe distance away from work area.

 Have your power tool serviced by a qualified repair per-

Anyone entering the work area must wear personal

son using only identical replacement parts. This will en-

protective equipment. Fragments of workpiece or of a

sure that the safety of the power tool is maintained.

broken accessory may fly away and cause injury beyond

immediate area of operation.

 Hold the power tool by insulated gripping surfaces on-

Safety Warnings for Angle Grinder

ly, when performing an operation where the cutting ac-

cessory may contact hidden wiring or its own cord. Cut-

Safety Warnings common for Grinding, Sanding,

ting accessory contacting a “live” wire may make exposed

Wire Brushing or Abrasive Cutting Off Operations

metal parts of the power tool “live” and could give the op-

 This power tool is intended to function as a grinder,

erator an electric shock.

sander, wire brush or cut-off tool. Read all safety warn-

 Position the cord clear of the spinning accessory. If you

ings, instructions, illustrations and specifications pro-

lose control, the cord may be cut or snagged and your hand

vided with this power tool. Failure to follow all instruc-

or arm may be pulled into the spinning wheel.

tions listed below may result in electric shock, fire and/or

 Never lay the power tool down until the accessory has

serious injury.

come to a complete stop. The spinning wheel may grab

 Operations such as polishing are not recommended to

the surface and pull the power tool out of your control.

be performed with this power tool. Operations for which

the power tool was not designed may create a hazard and

 Do not run the power tool while carrying it at your side.

cause personal injury.

Accidental contact with the spinning accessory could snag

your clothing, pulling the accessory into your body.

 Do not use accessories which are not specifically de-

signed and recommended by the tool manufacturer.

 Regularly clean the power tool’s air vents. The motor’s fan

Just because the accessory can be attached to your power

will draw the dust inside the housing and excessive accumu-

tool, it does not assure safe operation.

lation of powdered metal may cause electrical hazards.

 The rated speed of the accessory must be at least equal

 Do not operate the power tool near flammable materi-

to the maximum speed marked on the power tool. Ac-

als. Sparks could ignite these materials.

cessories running faster than their rated speed can break

 Do not use accessories that require liquid coolants. Us-

and fly apart.

ing water or other liquid coolants may result in electrocu-

 The outside diameter and the thickness of your acces-

tion or shock.

sory must be within the capacity rating of your power

tool. Incorrectly sized accessories cannot be adequately

Kickback and related warnings

guarded or controlled.

 Kickback is a sudden reaction to a pinched or snagged rotat-



Threaded mounting of accessories must match the grind-

ing wheel, backing pad, brush or any other accessory.

er spindle thread. For accessories mounted by flanges,

Pinching or snagging causes rapid stalling of the rotating ac-

the arbour hole of the accessory must fit the locating di-

cessory which in turn causes the uncontrolled power tool to

ameter of the flange.

Accessories that do not match the

be forced in the direction opposite of the accessory’s rota-

mounting hardware of the power tool will run out of balance,

tion at the point of the binding.

vibrate excessively and may cause loss of control.

For example, if an abrasive wheel is snagged or pinched by

 Do not use a damaged accessory. Before each use in-

the workpiece, the edge of the wheel that is entering into the

spect the accessory such as abrasive wheels for chips

pinch point can dig into the surface of the material causing

and cracks, backing pad for cracks, tear or excess

the wheel to climb out or kick out. The wheel may either

wear, wire brush for loose or cracked wires. If power

jump toward or away from the operator, depending on di-

tool or accessory is dropped, inspect for damage or in-

rection of the wheel’s movement at the point of pinching.

stall an undamaged accessory. After inspecting and in-

Abrasive wheels may also break under these conditions.

stalling an accessory, position yourself and bystanders

Kickback is the result of power tool misuse and/or incorrect

away from the plane of the rotating accessory and run

operating procedures or conditions and can be avoided by

the power tool at maximum no-load speed for one min-

taking proper precautions as given below.

ute. Damaged accessories will normally break apart during

this test time.

1 609 92A 0EK | (22.8.13) Bosch Power Tools