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OBJ_BUCH-721-005.book Page 10 Tuesday, August 30, 2011 2:58 PM
10 | English
Provide for sufficient dust extraction when cutting
stone.
The protection guard for cutting 12 is mounted in the same
manner as the protection guard for grinding 5.
Cutting Guide with Dust Extraction Protection Guard
The cutting guide with dust extraction protection guard 22 is
mounted in the same manner as the protection guard for
grinding 5.
Auxiliary Handle
Operate your machine only with the auxiliary handle 3.
Screw the auxiliary handle 3 on the right or left of the machine
head depending on the working method.
Hand Guard
For operations with the rubber sanding plate 18 or with
the cup brush/wheel brush/flap disc, always mount the
hand guard 16.
The hand guard 16 is fastened with the auxiliary handle 3.
Mounting the Grinding Tools
Before any work on the machine itself, pull the mains
plug.
Grinding and cutting discs become very hot while
working; do not touch until they have cooled.
Clean the grinder spindle 4 and all parts to be mounted.
For clamping and loosening the grinding tools, lock the grind-
er spindle with the spindle lock button 1.
Actuate the spindle lock button only when the grinder
spindle is at a standstill. Otherwise, the machine may be-
come damaged.
Grinding/Cutting Disc
Pay attention to the dimensions of the grinding tools. The
mounting hole diameter must fit the mounting flange without
play. Do not use reducers or adapters.
When using diamond cutting discs, pay attention that the di-
rection-of-rotation arrow on the diamond cutting disc and the
direction of rotation of the machine (see direction-of-rotation
arrow on the machine head) agree.
See graphics page for the mounting sequence.
To fasten the grinding/cutting disc, screw on the clamping nut
9 and tighten with the two-pin spanner; see Section "Quick-
clamping Nut ".
After mounting the grinding tool and before switching
on, check that the grinding tool is correctly mounted
and that it can turn freely. Make sure that the grinding
tool does not graze against the protection guard or oth-
er parts.
A plastic part (O-ring) is fitted around
the centring collar of mounting flange 7.
If the O-ring is missing or damaged,
the mounting flange 7 must be replaced
before resuming operation.
1 619 P09 125 | (30.8.11)
Flap Disc
For operations with the flap disc, always mount the
hand guard 16.
Rubber Sanding Plate
For operations with the rubber sanding plate 18, al-
ways mount the hand guard 16.
See graphics page for the mounting sequence.
Before mounting the rubber sanding plate 18, put the 2 spac-
er discs 17 onto the grinder spindle 4.
Screw on the round nut 20 and tighten with the two-pin span-
ner.
Cup Brush/Disc Brush
For operations with the cup brush/wheel brush, always
mount the hand guard 16.
See graphics page for the mounting sequence.
The cup brush/disc brush must be able to be screwed onto
the grinder spindle until it rests firmly against the grinder
spindle flange at the end of the grinder spindle threads. Tight-
en the cup brush/disc brush with an open-end spanner.
Grinding Cup
When working with the grinding cup, mount the special
protection guard 14.
The grinding cup 15 should never project further out of the
protection guard 14 than necessary for the respective grind-
ing application. Adjust the protection guard 14 accordingly to
this dimension.
See graphics page for the mounting sequence.
Screw on the clamping nut 9 and tighten with the correspond-
ing offset two-pin spanner.
Quick-clamping Nut
For convenient changing of grinding tools without the use of
additional tools, you can use the quick-clamping nut 10 in-
stead of the clamping nut 9.
The quick-clamping nut 10 may be used only for grind-
ing or cutting discs.
Use only a flawless, undamaged quick-clamping nut 10.
When screwing on, pay attention that the side of the
quick-clamping nut 10 with printing does not face the
grinding disc; the arrow must point to the index mark 25.
Lock the grinder spindle with
the spindle lock button 1. To
25
tighten the quick-clamping
nut, firmly turn the grinding
disc in clockwise direction.
Bosch Power Tools
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