Bosch 7-115 Betriebsanleitung PDF herunterladen (Seite 40)

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Operating instructions

1 619 P07 579 | 10.2009 Robert Bosch Ltda.

Approved grinding tools

All grinding tools mentioned in these operating

instructions can be used.

The permissible speed [/min] or the circumfer-

ential speed [m/s] of the grinding tools used

must at least match the values given in the

table.

Therefore, observe the permissible

rota-

tional/circumferential speed

on the label of

the grinding tool.

Rotating the machine head

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Before any work on the machine itself,

pull the mains plug.

The machine head

can be rotated with

respect to the

machine housing in

90° steps. In this

manner, the

On/Off switch can

be brought into a

more convenient

position for spe-

cial working situa-

tions, e.g. for left-handed persons.

Completely unscrew the four screws. Rotate

the machine head carefully,

without removing

it from the housing,

to the new position. Screw

in and tighten the four screws again.

Dust/chip extraction

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Dusts from materials such as lead-contain-

ing coatings, some wood types, minerals

and metal can be harmful to one’s health.

Touching or breathing-in the dusts can

cause allergic reactions and/or lead to

respiratory infections of the user or

bystanders.

Certain dusts, such as oak or beech dust,

are considered as carcinogenic, especially

in connection with wood-treatment addi-

tives (chromate, wood preservative).

Materials containing asbestos may only be

worked by specialists.

—

Use dust extraction whenever possible.

—

Provide for good ventilation of the work-

ing place.

—

It is recommended to wear a P2 filter-

class respirator.

Observe the relevant regulations in your coun-

try for the materials to be worked.

Operation

Starting operation

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Observe correct mains voltage! The voltage

of the power source must agree with the

voltage specified on the nameplate of the

machine. Power tools marked with 230 V

can also be operated with 220 V.

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Hold power tool by insulated gripping sur-

faces 21 and auxiliary handle 4 only. The

accessory may contact hidden wiring or its

own cord.

Accessory contacting a “live” wire

may make exposed metal parts of the power

tool “live” and shock the operator.

Speed preselection (GWS 7-115ET)

The required speed can be preselected with

the thumbwheel

22

(also while running).

The data in the following table are recom-

mended values.

máx.

[mm]

[mm]

D b d [/min] [m/s]

115 6 22,2 11000 80

115 ––11000 80

75 30 M 14 11000 45

b

d

D

D

D

b

d

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