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OBJ_BUCH-2766-002.book Page 5 Friday, April 15, 2016 12:42 PM
Safety Warnings for Drills
Wear ear protectors when impact drilling. Exposure to
noise can cause hearing loss.
Use auxiliary handle(s), if supplied with the tool. Loss
of control can cause personal injury.
Hold power tool by insulated gripping surfaces, when
performing an operation where the cutting accessory
may contact hidden wiring or its own cord. Cutting ac-
cessory contacting a "live" wire may make exposed metal
parts of the power tool "live" and could give the operator an
electric shock.
Use suitable detectors to determine if utility lines are
hidden in the work area or call the local utility company
for assistance. Contact with electric lines can lead to fire
and electric shock. Damaging a gas line can lead to explo-
sion. Penetrating a water line causes property damage or
may cause an electric shock.
Switch off the power tool immediately when the tool in-
sert jams. Be prepared for high reaction torque that
can cause kickback. The tool insert jams when:
— the power tool is subject to overload or
— it becomes wedged in the workpiece.
Hold the machine with a firm grip. High reaction torque
can briefly occur while driving in and loosening screws.
When working with the machine, always hold it firmly
with both hands and provide for a secure stance. The
power tool is guided more secure with both hands.
Secure the workpiece. A workpiece clamped with clamp-
ing devices or in a vice is held more secure than by hand.
Always wait until the machine has come to a complete
stop before placing it down. The tool insert can jam and
lead to loss of control over the power tool.
Products sold in GB only: Your product is fitted with a
BS 1363/A approved electric plug with internal fuse
(ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets, it should
be cut off and an appropriate plug fitted in its place by an
authorised customer service agent. The replacement plug
should have the same fuse rating as the original plug.
The severed plug must be disposed of to avoid a possible
shock hazard and should never be inserted into a mains
socket elsewhere.
Products sold in AUS and NZ only: Use a residual current
device (RCD) with a rated residual current of 30 mA or
less.
Product Description and Specifica-
tions
Read all safety warnings and all instruc-
tions. Failure to follow the warnings and in-
structions may result in electric shock, fire
and/or serious injury.
Bosch Power Tools
Intended Use
The machine is intended for impact driving in brick, concrete
and stone, as well as for drilling in wood, metal, ceramics and
plastic.
Product Features
The numbering of the product features refers to the illustra-
tion of the machine on the graphics page.
1 Key type drill chuck
2 "Drilling/Impact Drilling" selector switch
3 Handle (insulated gripping surface)
4 Lock-on button for On/Off switch
5 On/Off switch
6 Chuck key
Accessories shown or described are not part of the standard deliv-
ery scope of the product. A complete overview of accessories can
be found in our accessories program.
Technical Data
Impact Drill
Article number
Rated power input
Output power
No-load speed
Impact rate
Rated torque
Spindle collar dia.
Max. drilling dia.
– Concrete
– Steel
– Wood
Chuck clamping range
Weight according to
EPTA-Procedure 01:2014
Protection class
The values given are valid for a nominal voltage [U] of 230 V. For differ-
ent voltages and models for specific countries, these values can vary.
Assembly
Before any work on the machine itself, pull the mains
plug.
Changing the Tool
Wear protective gloves when changing the tool. The
drill chuck can become very hot during longer work peri-
ods.
Key Type Drill Chuck (see figure A)
– Open the key type drill chuck 1 by turning until the tool can
be inserted. Insert the tool.
– Insert the chuck key 6 into the corresponding holes of the
key type drill chuck 1 and clamp the tool uniformly.
English | 5
GSB 451
3 601 B16 0..
W
450
W
250
-1
min
2600
-1
min
25700
Nm
1.5
mm
43
mm
10
mm
8
mm
20
mm
1.5 – 10
kg
1.5
/II
1 609 92A 2UL | (15.4.16)
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