Bosch GWS 24-230 JBX Professional Manual Original página 28

OBJ_BUCH-769-005.book Page 29 Wednesday, July 15, 2009 11:24 AM
Clean the grinder spindle 5 and all parts to be
mounted.
For clamping and loosening the grinding tools,
lock the grinder spindle with the spindle lock
button 1.
Actuate the spindle lock button only when
the grinder spindle is at a standstill. Other-
wise, the machine may become damaged.
Quick-clamping Nut
With the quick-clamping nut 14, grinding tools
can be mounted without additional tools.
Use only a flawless, undamaged quick-
clamping nut 14.
When screwing on, pay attention that the side
of the quick-clamping nut 14 with printing
does not face the grinding disc; the arrow must
point to the index mark 23.
Lock the grinder spin-
dle with the spindle
23
lock button 1. To tight-
en the quick-clamping
nut, firmly turn the
grinding disc in clock-
wise direction.
A properly attached,
undamaged quick-
clamping nut can be
loosened by hand
when turning the
knurled ring in anti-
clockwise direction.
Never loosen a tight
quick-clamping nut
with pliers. Always
use the two-pin span-
ner. Insert the two-pin
spanner as shown in the illustration.
Bosch Power Tools
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 reduc-
ers or adapters.
When using diamond cutting discs, pay atten-
tion that the direction-of-rotation arrow on the
diamond cutting disc and the direction of rota-
tion of the machine (see direction-of-rotation ar-
row on the machine head) agree.
See graphics page for the mounting sequence.
To fasten the grinding/cutting disc, screw on
the clamping nut 13 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 free-
ly. Make sure that the grinding tool does
not graze against the protection guard or
other parts.
An O-ring (plastic part) is in-
serted in the mounting flange
11 around the centring collar.
If the O-ring is missing or is
damaged, it must in all cases
be replaced (article number
1 600 210 039) before the
mounting flange 11 is mount-
ed.
Flap Disc
For operations with the flap disc, always
mount the hand guard 15.
Rubber Sanding Plate
For operations with the rubber sanding
plate 17, always mount the hand guard 15.
See graphics page for the mounting sequence.
3 601 H55.../3 601 H56...: Before mounting the
rubber sanding plate 17, put the 2 spacer discs
16 onto the grinder spindle 5.
Screw on the round nut 19 and tighten with the
two-pin spanner.
Note for GWS 24-230 JBX: When loosening the
round nut 19, an increased expenditure of force
must be taken into account.
1 609 929 R45 | (15.7.09)
English | 29