Auxiliary Handle; Hand Guard - Bosch GWS 20-180 Professional Operating Instructions Manual

Pay attention to the dimensions of the grinding
disc. The mounting hole diameter must fit the
mounting flange 9 without play. Do not use re-
ducers or adapters.
Never use cutting discs for rough grinding. Do
not exert any lateral pressure on the cutting
discs.
Observe the manufacturer's instructions for
mounting and using grinding tools.
Caution! The grinding tool runs on after the
machine is switched off.
Do not clamp the machine in a vice.
Never allow children to use the machine.
Bosch is only able to ensure perfect operation
of the machine if the original accessories in-
tended for it are used.
Intended Use
The machine is intended for cutting, roughing and
brushing metal and stone materials without using
water. For cutting stone, a cutting guide is re-
quired.
Information on Structures
Slots in structural walls are subject to the Stand-
ard DIN 1053, Part 1 or country-specific regula-
tions.
These regulations are to be observed under all
circumstances. Before beginning work, consult
the responsible structural engineer, architects or
the construction supervisor.
9 • 1 609 929 F75 • 04.03
Before any work on the machine itself, pull
the mains plug.
For work with grinding or cutting discs, the
protection guard 6 must be mounted.
Protection Guard with Locking Screw
The coded projection 14 on the protection
guard 6 ensures that only a guard that fits the
machine type can be mounted.
Loosen the clamping screw 13, if necessary.
Place the protection guard 6 with coded projec-
tion 14 into the coded groove on the spindle col-
lar of the machine head and rotate to the required
position (working position).
The closed side of the protection guard 6
must always point to the operator.
Tighten clamping screw 13.
Protection Guard with Quick Clamp
The protection guard is preadjusted to the
diameter of the spindle collar. If required,
the tightening tension of the clamping
bracket can be changed by tightening or
loosening the adjustment screw 7. Always
ensure that the protection guard 6 is
seated tightly on the spindle collar.
Open the clamping lever 8.
Place the protection guard 6 on the spindle collar
of the machine head and turn to the required po-
sition (working position).
To fasten the protection guard 6, close the
clamping lever 8.
The closed side of the protection guard 6
must always point to the operator.

Auxiliary Handle

For all work with the machine, the auxiliary
handle must be mounted.
Screw the auxiliary handle 4 into the head of the
machine according to the working method.
Do not continue to use an auxiliary handle if it is
damaged.

Hand Guard

For work with the rubber sanding plate 20 or with
the cup brush 23/disc brush/flap disc, the hand
guard 18 (accessory) is to be mounted. The hand
guard 18 is fastened with the auxiliary handle 4.
English - 4
Mounting the
Protective Devices