Bedienungsanleitung Bosch GBG 60-20 (Seite 14 von 167) (Alle Sprachen)

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14 | English

The noise emission value given in these instructions has

been measured in accordance with a standardised measur-

ing procedure and may be used to compare power tools. It

may also be used for a preliminary estimation of noise emis-

sions.

The noise emission value given represents the main applica-

tions of the power tool. However, if the power tool is used

for other applications, with different application tools or is

poorly maintained, the noise emission value may differ. This

may significantly increase noise emissions over the total

working period.

To estimate noise emissions accurately, the times when the

tool is switched off, or when it is running but not actually be-

ing used, should also be taken into account. This may signi-

ficantly reduce noise emissions over the total working

period.

Assembly

uPull the plug out of the socket before carrying out any

work on the power tool.

– Use suitable screws to fix the power tool to the work-

bench/worktop with the four holes (7) provided for this

purpose.

Fitting the spark arrestor/workpiece support

(see figuresA−D)

– Mount the spark arrestor holder (10) with the two

screws.

– Screw the spark arrestor (11) to the spark arrestor

holder (10).

– Mount the workpiece support (12) as shown in the figure.

uRegularly check the distance between the workpiece

support (12) or spark arrestor holder (11) and the

grinding wheel, and readjust as required. The distance

from the grinding wheel must not exceed 2mm. If the

distance is too great, you are not sufficiently protected

against sparking. The workpiece can be drawn in by the

rotational motion of the grinding wheel and can cause in-

juries.

uUse the power tool only with the spark arrestor (11)

fitted and swivel the spark arrestor down as far as

possible. Escaping sparks can injure your eyes or set fire

to surrounding objects.

uUse the power tool only with the workpiece support.

Do not mix up the right and left workpiece supports

(12). If you do, the distance between the workpiece sup-

port (12) and the grinding wheel will be too great. If the

distance is too great, you are not sufficiently protected

against sparking. The workpiece can be drawn in by the

rotational motion of the grinding wheel and can cause in-

juries.

Changing the grinding wheel

uThe 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 fly apart.

uGrinding wheels with a diameter that exceeds the spe-

cification on the power tool are not permitted.

uUse the power tool only with application tools that are

mounted on both spindles. This will prevent contact

with the rotating spindle.

Replace the grinding wheel when the spark arrestor holder

(10) can no longer be set to the required distance of max.

2mm from the grinding wheel.

– Loosen the three screws from the cover (1) and remove

the cover. Hold the grinding spindle (5) with an open-

ended spanner (9) and unscrew the clamping nut (2)

from the grinding spindle (5).

Note: The grinding spindle (5) on the left side of the power

tool has a left-hand thread.

– Remove the clamping flange (3) and the grinding wheel

from the grinding spindle (5).

– Reverse the process to mount the new grinding wheel.

Firmly replace the cover (1) and tighten with the three

screws.

Dress used and non-circular grinding wheels with a whet-

stone (accessory) before continuing to use them.

uPull the plug out of the socket before carrying out any

work on the power tool.

Dust/Chip Extraction

Dust from materials such as lead-containing coatings, some

wood types, minerals and metal can be harmful to one’s

health. Touching or breathing-in the dust can cause allergic

reactions and/or lead to respiratory infections of the user or

bystanders.

Certain dust, such as oak or beech dust, is considered carci-

nogenic, especially in connection with wood-treatment ad-

ditives (chromate, wood preservative). Materials containing

asbestos may only be worked by specialists.

– Provide for good ventilation of the working place.

– It is recommended to wear a P2 filter-class respirator.

Observe the relevant regulations in your country for the ma-

terials to be worked.

uAvoid dust accumulation at the workplace. Dust can

easily ignite.

Operation

Starting Operation

uPay attention to the mains voltage. The voltage of the

power source must match the voltage specified on the

rating plate of the power tool. Power tools marked

with 230V can also be operated with 220V.

uAlways check abrasive tools before using them. The

abrasive tool must be fitted properly and be able to

move freely. Carry out a test run for at least one

minute with no load. Do not use abrasive tools that

1 609 92A 7Y3 | (02.06.2022) Bosch Power Tools

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