Manual Bosch GWS 20-230 JH Professional (page 15 of 284) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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16 | English

1 609 92A 0MJ | (23.4.14) Bosch Power Tools

Power tool use and care

 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.

 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.

 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.

 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.

 Maintain power tools. Check for misalignment or bind-

ing of moving parts, breakage of parts and any other

condition that may affect the power tool’s operation. If

damaged, have the power tool repaired before use.

Many accidents are caused by poorly maintained power

tools.

 Keep cutting tools sharp and clean. Properly maintained

cutting tools with sharp cutting edges are less likely to bind

and are easier to control.

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

cordance with these instructions, taking into account

the working conditions and the work to be performed.

Use of the power tool for operations different from those

intended could result in a hazardous situation.

Service

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

son using only identical replacement parts. This will en-

sure that the safety of the power tool is maintained.

Safety Warnings for Angle Grinder

Safety Warnings common for Grinding, Sanding, Wire

Brushing or Abrasive Cutting Off Operations

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

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

ings, instructions, illustrations and specifications pro-

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

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

serious injury.

 Operations such as 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.

 Do not use accessories which are not specifically de-

signed and recommended by the tool manufacturer.

Just because the accessory can be attached to your power

tool, it does not assure safe operation.

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

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

cessories running faster than their rated speed can break

and fly apart.

 The outside diameter and the thickness of your acces-

sory must be within the capacity rating of your power

tool. Incorrectly sized accessories cannot be adequately

guarded or controlled.

 Threaded mounting of accessories must match the

grinder spindle thread. For accessories mounted by

flanges, the arbour hole of the accessory must fit the

locating diameter of the flange. Accessories that do not

match the mounting hardware of the power tool will run out

of balance, vibrate excessively and may cause loss of con-

trol.

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

spect 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 in-

stall an undamaged accessory. After inspecting and in-

stalling 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 min-

ute. Damaged accessories will normally break apart during

this test time.

 Wear personal protective equipment. Depending on

application, use face shield, safety goggles or safety

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

tectors, gloves and shop apron capable of stopping

small abrasive or workpiece fragments. The eye protec-

tion must be capable of stopping flying debris generated

by various operations. The dust mask or respirator must be

capable of filtrating particles generated by your operation.

Prolonged exposure to high intensity noise may cause

hearing loss.

 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 fly away and cause injury beyond

immediate area of operation.

 Hold the power tool by insulated gripping surfaces on-

ly, when performing an operation where the cutting ac-

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

ting accessory contacting a “live” wire may make exposed

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

erator an electric shock.

 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 wheel.

 Never lay the power tool down until the accessory has

come to a complete stop. The spinning wheel may grab

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

 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.

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

fan will draw the dust inside the housing and excessive ac-

cumulation of powdered metal may cause electrical haz-

ards.

OBJ_BUCH-1686-003.book Page 16 Wednesday, April 23, 2014 3:36 PM

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Bosch GWS 20-230 JH Professional Manual

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