Bosch GWS 7-115 Professional Original Instructions Manual page 29

OBJ_BUCH-952-002.book Page 30 Wednesday, October 14, 2009 1:34 PM
30 | English
Approved Grinding Tools
All grinding tools mentioned in these operating
instructions can be used.
The permissible speed [min
ential speed [m/s] of the grinding tools used
must at least match the values given in the table.
Therefore, observe the permissible rotation-
al/circumferential speed on the label of the
grinding tool.
max.
[mm] [mm]
D b
100 6 16.0
d
115 6 22.2
D
125 6 22.2
b
100 –
D
115 –
125 –
d
70 30 M 10
b 75 30 M 14
D
Rotating the Machine Head
Before any work on the machine itself, pull
the mains plug.
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.
1 619 P07 577 | (14.10.09)
Dust/Chip Extraction
-1
] or the circumfer-
-1
d [min ] [m/s]
11000 80
11000 80
11000 80
– 11000 80
– 11000 80
– 11000 80
Operation
11000 45
11000 45
Starting Operation
The machine head
can be rotated with
respect to the ma-
chine housing in
90° steps. In this
manner, the On/Off
switch can be
brought into a more
When operating the machine with power from
convenient posi-
mobile generators that do not have sufficient re-
tion for special
serve capacity or are not equipped with suitable
working situations,
voltage control with starting current amplifica-
e.g. for left-handed
tion, loss of performance or untypical behavior
persons.
can occur upon switching on.
Please observe the suitability of the power gen-
erator being used, particularly with regard to
the mains voltage and frequency.
Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one's health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in
connection with wood-treatment additives
(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
country for the materials to be worked.
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.
Hold power tool by insulated gripping sur-
faces 22 and auxiliary handle 5 only. The ac-
cessory 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.
Bosch Power Tools