Rotating The Machine Head; Dust/Chip Extraction; Starting Operation - Bosch GWS 22-180 H Professional Manual Original

OBJ_BUCH-812-001.book Page 30 Wednesday, July 23, 2008 4:02 PM
30 | English

Rotating the Machine Head

Before any work on the machine itself, pull
the mains plug.
working situations, e.g., for cutting operations
using the cutting guide with dust extraction pro-
tection guard 20/cut off stand or 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

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.
1 609 929 L91 | (23.7.08)
Operation

Starting Operation

The machine head
can be rotated with
respect to the ma-
chine housing in
90° steps. In this
manner, the On/Off
When operating the machine with power from
switch can be
mobile generators that do not have sufficient re-
brought into a more
serve capacity or are not equipped with suitable
convenient posi-
voltage control with starting current amplifica-
tion for special
tion, loss of performance or untypical behavior
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.
Switching On and Off
To start the power tool, press the On/Off switch
2 forward and then down.
To lock-on the pressed On/Off switch 2, push
the On/Off switch 2 further forward.
To switch off the power tool, release the On/Off
switch 2, or when it is locked, briefly press the
On/Off switch 2 and then release it.
Switch Version without Lock-on
(country-specific):
To start the power tool, press the On/Off switch
2 forward and then down.
To switch off the machine, release the On/Off
switch 2.
Reduced starting current (GWS 22-230 JH)
The electronic reduced starting current limits
the power consumption when switching the tool
on and enables operation from a 13 ampere
fuse.
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.
Check grinding tools before using. The
grinding tool must be mounted properly
and be able to move freely. Carry out a test
run for at least one minute with no load. Do
not use damaged, out-of-centre or vibrating
grinding tools. Damaged grinding tools can
burst and cause injuries.
Bosch Power Tools