Bosch PROFESSIONAL GPO 12 Instructions D'emploi page 10

1 609 929 392 -Buch Seite 3 Dienstag, 19. August 2003 4:49 16
Mounting the Grinding Tools
Before any work on the machine itself, pull
the mains plug.
Use only grinding tools with a permissi-
ble speed at least as high as the no-load
speed of the machine.
Clean the grinder spindle and all parts to be
mounted. For clamping and loosening the
grinding tools, lock the grinder spindle 18 with
the spindle lock button 19.
Actuate the spindle lock button 19 only when
the grinder spindle is at a standstill!
Rubber Sanding Plate 11
Place the rubber sanding plate 11 with sanding
disc onto the grinder spindle 18.
For mounting, see the illustration page.
Screw on the round nut 9 and tighten with the
two-pin spanner.
Cup Brush 5/Disc Brush
Screw the cup brush onto the grinder spindle 18
and tighten with a spanner.
The grinding tool must be able to be screwed
onto the grinding spindle 18 until it rests firmly
against the grinder spindle flange at the end of
the grinder spindle threads. Tighten with an
open-end spanner.
Polishing Sponge/
Lambskin Polishing Bonnet
Screw the polishing sponge 8 onto the grinder
spindle 18.
The lambskin polishing bonnet 7 can be pulled
over the polishing sponge 8.
For mounting, see the illustration page.
Buffing Disc
Screw the clamping mandrel 17 onto the grinder
spindle 18 and tighten by applying the spanner
against the flats.
Place on the clamping flange 16 and buffing
disc 15 and tighten with clamping nut 14.
Felt Polishing Disc
Screw the felt polishing disc 6 with flange onto
the grinder spindle 18.
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Initial Operation
Observe correct mains voltage: The voltage of
the power source must agree with the voltage
specified on the nameplate of the machine.
Equipment marked with 230 V can also be con-
nected to 220 V.
Speed Preselection (GPO 12 E)
The required speed can be preselected with the
thumbwheel 21 (also while running).
The required speed depends on the material and
is to be determined by practical testing (see ap-
plication table at the end of the operating instruc-
tions).
Switching On and Off
To start the machine, press the On/Off switch 1
forward and then down.
To lock-on, push the pressed On/Off switch 1
further forwards.
To switch off the machine, release the On/Off
switch 1 or push and release it then.
Switch version without lock
(country-specific):
To start the machine, press the On/Off switch 1.
To switch off the machine, release the On/Off
switch 1.
Test run!
Check the grinding tool before use. The
grinding tool must be properly mounted
and rotate freely. Perform a test run of at
least 30 seconds without load. Do not use
damaged, out-of-round or vibrating grind-
ing tools.
Operating Instructions
Do not strain the machine so heavily that it
comes to a standstill.
The machine is suitable for the universal treat-
ment of stone, metal and varnished surfaces.
For sanding applications on soft materials, e. g.
gypsum or paint, it is recommended to use the
rubber sanding plate 11 with sanding disc 10.
Cup brushes 5 and wheel brushes are suitable
for rust removal.
English - 3