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OBJ_BUCH-1020-003.book Page 43 Wednesday, July 22, 2015 1:32 PM
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 direction-of-rotation arrow on the diamond
cutting disc and the direction of rotation of the ma-
chine (see direction-of-rotation arrow on the ma-
chine head) agree.
See graphics page for the mounting sequence.
To fasten the grinding/cutting disc, screw on the
clamping nut 12 and tighten with the two-pin span-
ner; 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 other
parts.
A plastic part (O-ring) is fitted
around the centring collar of
mounting flange 10. If the O-ring
is missing or damaged, the
mounting flange 10 must be re-
placed before resuming opera-
tion.
Flap Disc
For operations with the flap disc, always
mount the hand guard 14.
Rubber Sanding Plate
For operations with the rubber sanding plate
16, always mount the hand guard 14.
See graphics page for the mounting sequence.
WKS 230 E:
Before mounting the rubber sanding plate 16, put
the 2 spacer discs 15 onto the grinder spindle 4.
Screw on the round nut 18 and tighten with the
two-pin spanner.
Note for WKS 230 SE: When loosening the round
nut 18, an increased expenditure of force must be
taken into account.
Cup Brush/Disc Brush
For operations with the cup brush/wheel
brush, always mount the hand guard 14.
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. Tighten the cup brush/
disc brush with an open-end spanner.
Note for WKS 230 SE: When loosening the grind-
ing tool, an increased expenditure of force must be
taken into account.
1 609 92A 1DS • 22.7.15
Approved Grinding Tools
All grinding tools mentioned in these operating in-
structions can be used.
The permissible speed [min
tial speed [m/s] of the grinding tools used must at
least match the values given in the table.
Therefore, observe the permissible rotational/cir-
cumferential speed on the label of the grinding
tool.
max.
[mm]
[mm]
D
b
180
8
22.2
230
8
22.2
180
–
230
100
30
M 14
Rotating the Main Handle
Before any work on the machine itself, pull the
mains plug.
The main handle 23 can be rotated with respect to
the machine housing toward the left or right in
steps of 90°. In this manner, the On/Off switch can
be brought into a more convenient position for spe-
cial working situations, e.g., for cutting operations
using the cutting guide with dust extraction protec-
tion guard 20 or for left-handed persons.
Press the handle unlocking button 24 in the direc-
tion of the arrow and at the same time turn the main
handle 23 to the requested position until it latches.
-1
] or the circumferen-
-1
d
[min
]
[m/s]
8500
80
6500
80
8500
80
–
6500
80
8500
45
23
24
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