Bosch GWS Professional 20-230 H Notice Originale page 12

OBJ_BUCH-827-008.book Page 13 Monday, October 24, 2016 2:46 PM
Assembly
Mounting the Protective Devices
 Before any work on the machine itself, pull the mains
plug.
Note: After breakage of the grinding disc during operation or
damage to the holding fixtures on the protection guard/power
tool, the machine must promptly be sent to an after-sales
service agent for maintenance. For addresses, see section
"After-sales Service and Application Service".
Protection Guard for Grinding (GWS 24-230 JVX)
Release the clamping lever 30. Place the protection guard
with the encoding key 29 engaging into the groove on the
spindle collar until the shoulder of the protection guard is
seated against the flange of the power tool, and turn the pro-
tection guard to the requested position. Lock the clamping le-
ver 30.
 Adjust the protection guard in such a manner that
sparking is prevented in the direction of the operator.
The tightening tension of the clamp from the protection guard
can be changed by loosening or tightening the adjustment
screw 31. Ensure that the protection guard is tightly seated
and check regularly.
Note: The encoding keys on the protection guard ensure that
only a protection guard that fits the machine type can be
mounted.
Protection Guard for Grinding (Clamping Screw)
(GWS 20-230 H/GWS 22-180 H/GWS 22-230 H/JH/
GWS 24-180 H/GWS 24-230 H/JH/GWS 26-180 H/
GWS 26-230 B/H)
Place the protection guard 21 on the spindle collar. Adapt the
position of the protection guard to the requirements of the
work step and lock the protection guard 21 with the locking
screw 22.
 Adjust the protection guard in such a manner that
sparking is prevented in the direction of the operator.
Protection Guard for Cutting
 For cutting with bonded abrasives, always use the pro-
tection guard for cutting 23/32.
 Provide for sufficient dust extraction when cutting
stone.
The protection guard for cutting 23/32 is mounted in the
same manner as the protection guard for grinding.
Cutting Guide with Dust Extraction Protection Guard
The cutting guide with dust extraction protection guard 18 is
mounted in the same manner as the protection guard for
grinding.
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.
Bosch Power Tools
Vibration Damper (GWS 24-230 JVX)
The integrated vibration damper reduces occurring vibra-
tions.
 Do not continue to use the power tool when the damp-
ing element is damaged.
Hand Guard
 For operations with the rubber sanding plate 14 or with
the cup brush/wheel brush/flap disc, always mount the
hand guard 12.
The hand guard 12 is fastened with the auxiliary handle 3.
Mounting the Grinding Tools
 Before any work on the machine itself, pull the mains
plug.
 Do not touch grinding and cutting discs before they
have cooled down. The discs can become very hot while
working.
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.
Quick-clamping Nut
With the quick-clamping nut 9, grinding tools can be mounted
without additional tools.
 The quick-clamping nut 9 may be used only for grinding
or cutting discs.
Use only a flawless, undamaged quick-clamping nut 9.
When screwing on, pay attention that the side of the
quick-clamping nut 9 with printing does not face the
grinding disc; the arrow must point to the index mark 33.
Lock the grinder spindle with
the spindle lock button 1. To
33 tighten the quick-clamping
nut, firmly turn the grinding
disc in clockwise direction.
1 609 92A 2C9 | (24.10.16)
English | 13