Starting Operation; Practical Advice - Bosch GSS 23 AE Professional Manual Original

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Changing the sanding sheet
Remove dirt and dust from the sanding plate (6), e.g. with a
brush, before attaching a new sanding sheet.
To ensure optimum dust extraction, make sure that the
punched holes in the sanding sheet are aligned with the
drilled holes in the sanding plate.
Sanding sheets with hook-and-loop backing
(see figure A)
The sanding plate (6) is fitted with a hook-and-loop fasten-
ing, allowing sanding sheets with a similar backing to be se-
cured quickly and easily.
Tap the hook-and-loop fastening of the sanding plate (6) be-
fore fitting the sanding sheet (7) to facilitate maximum adhe-
sion.
Position the sanding sheet (7) so that it is flush with one side
of the sanding plate (6), then place the sanding sheet on the
sanding plate and press it on firmly.
To remove the sanding sheet (7), take hold of it by a corner
and pull it away from the sanding plate (6).
Sanding sheets without hook-and-loop backing (see
figures B–D)
❶ Press and hold down the release button (8).
❷ Guide the sanding sheet (7) underneath the open front
clamping bracket (9) to the stop and let go of the release
button (8) again. Make sure that the sanding sheet is
clamped in the centre.
❸ Press the clamp (5) inwards and swing it to the stop.
❹ Position the sanding sheet (7) so that it fits tightly
around the sanding plate. Guide the other end of the
sanding sheet (7) between the rear clamping bracket
and the red roller on the clamp (5).
❺ Hold on to the sanding sheet so that it is tensioned, then
push the clamp (5) towards the sanding plate to lock in
the sanding sheet.
Unperforated sanding sheets, e.g. from rolls or bulk stock
sold by the metre, can be perforated using the punch (10)
for the purpose of dust extraction. To do this, fit the sanding
sheet on the power tool and push the tool down onto the
punch (see figure E).
To remove the sanding sheet (7), unlock the clamp (5) and
pull the sanding sheet out of its rear bracket. Press the re-
lease button (8) and completely remove the sanding sheet.
Selecting a sanding sheet
Different sanding sheets are available, depending on the ma-
terial you are working with and the required surface removal
rate:
For processing all wood and wood-based ma-
terials
For pre-sanding, e.g. of rough and un-
even beams and boards
1 609 92A 7TH | (24.06.2022)
For surface sanding and levelling of
slight irregularities
For finish-sanding and fine sanding of
hardwoods
For processing paint and lacquer layers or
primers such as fillers and bodyfillers
For sanding down paint
For sanding undercoats
For final sanding of primers prior to
painting
Changing the sanding plate (see figure F)
If necessary, the sanding plate (6) can be replaced.
Unscrew the four screws (11) completely and remove the
sanding plate (6). Fit the new sanding plate (6) and
retighten the screws.
Operation

Starting Operation

Pay attention to the mains voltage. The voltage of the
u
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.
Products that are only sold in AUS and NZ: Use a resid-
u
ual current device (RCD) with a nominal residual current
of 30 mA or less.
Switching on/off
Make sure that you are able to press the On/Off switch
u
without releasing the handle.
To switch on the power tool, press and hold the on/off
switch (2).
To lock the on/off switch (2) press and hold it while also
pushing the lock-on button (3).
To switch off the power tool, release the on/off switch (2).
If the on/off switch (2) is locked, press the switch first and
then release it.
Preselecting the orbital stroke rate
You can even preselect the orbital stroke rate during opera-
tion using the necessary orbital stroke rate preselection
thumbwheel (1).
The required orbital stroke rate is dependent on the material
Grit
and the work conditions and can be determined using prac-
40–240
tical tests.

Practical advice

Pull the plug out of the socket before carrying out any
u
Coarse 40, 60
work on the power tool.
Grit
Medium 80, 100,
120
Fine
180, 240
40–320
Coarse 40, 60
Medium 80, 100,
120
Fine
180, 240,
320
Bosch Power Tools

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