Bosch 7-115 Operations Instructions download pdf (Page 11)

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Flap Disc

With the flap disc (accessory), curved surfaces

and profiles (contour sanding) can be worked.

Flap discs have a considerably higher service life

than sanding sheets, lower noise level and lower

sanding temperatures.

Cutting

When cutting, do not press, tilt or

oscillate the machine. Work with

moderate feed, adapted to the ma-

terial being cut.

Do not reduce the speed of running

down cutting discs by applying

sideward pressure.

The direction in

which the cutting is

performed is impor-

tant.

The machine must

always work in an

up-grinding motion.

Therefore, never

move the machine in

the other direction!

Otherwise, the dan-

ger exists of it being

pushed uncon-

trolled out of the cut.

When cutting profiles and square pipes, it is best

to start with the smallest cross section.

Cutting Stone

■ The machine must be used only for dry

cutting/grinding.

It is best to use a diamond cutting disc. As a

safety measure against jamming, use the cutting

guide 17 with the special dust extraction protec-

tion guard.

Operate the machine with dust extraction only. In

addition, wear a dust mask.

The vacuum cleaner

must be approved for

the extraction of ma-

sonry dust.

Bosch provides suit-

able vacuum clean-

ers.

Switch on the ma-

chine and place the

front part of the cut-

ting guide on the

workpiece.

Slide the machine with moderate feed, adapted

to the material to be worked (Figure).

For cutting especially hard material, e. g., con-

crete with high pebble content, the diamond cut-

ting disc can overheat and become damaged as

a result. This is clearly indicated by circular

sparking, rotating with the diamond cutting disc.

In this case, interrupt the cutting process and al-

low the diamond cutting disc to cool by running

freely at no-load speed for a short time.

Noticeable decreasing work progress and circu-

lar sparking are indications of a diamond cutting

disc that has become dull. Briefly cutting into

abrasive material (e. g., lime-sand brick) can re-

sharpen the disc.

■ Before any work on the machine itself, pull the

mains plug.

■ For safe and proper working, always keep the

machine and the ventilation slots clean.

In extreme working conditions, conductive

dust can accumulate in the interior of the

machine when working with metal. The

protective insulation of the machine can be

degraded. The use of a stationary extrac-

tion system is recommended in such cases

as well as frequently blowing out the venti-

lation slots and installing a residual current

device (RCD).

If the machine should fail despite the care taken

in manufacturing and testing procedures, repair

should be carried out by an authorized after-sales

service centre for Bosch power tools.

In all correspondence and spare parts orders,

please always include the 10-digit article number

given on the nameplate of the machine.

WARNING! Important instructions for con-

necting a new 3-pin plug to the 2-wire cable.

The wires in the cable are coloured according to

the following code:

Do not

connect the blue or brown wire to the

earth terminal of the plug.

Important: If for any reason the moulded plug is

removed from the cable of this machine, it must

be disposed of safely.

Maintenance and Cleaning

strain relief

live = brown

neutral = blue

To be fitted

by qualified

professional only

2 609 000 397.book Seite 7 Donnerstag, 26. August 2004 1:27 13

20 • 2 609 000 397 • TMS • 20.08.04

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Bosch 7-115 Operations Instructions Page 11

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