Product Description And Specifications; Intended Use; Product Features; Technical Data - Bosch GBH Professional 3-28 DFR Bedienungsanleitung

OBJ_BUCH-770-005.book Page 15 Wednesday, March 23, 2011 2:38 PM
The severed plug must be disposed of to avoid a possible
shock hazard and should never be inserted into a mains sock-
et elsewhere.
Products sold in AUS and NZ only: Use a residual current de-
vice (RCD) with a rated residual current of 30 mA or less.
Product Description and
Specifications
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.
While reading the operating instructions, unfold the graphics
page for the machine and leave it open.

Intended Use

The machine is intended for hammer drilling in concrete,
brick and stone, as well as for light chiselling work. It is also
suitable for drilling without impact in wood, metal, ceramic
and plastic. Machines with electronic control and right/left ro-
tation are also suitable for screwdriving.

Product Features

The numbering of the product features refers to the illustra-
tion of the machine on the graphics page.
1 Quick change keyless chuck(GBH 3-28 DFR)
2 SDS-plus quick change chuck (GBH 3-28 DFR)
3 SDS-plus tool holder
4 Dust protection cap

Technical Data

Rotary Hammer
Article number
Speed control
Stop rotation
Right/left rotation
Quick change chuck
Rated power input
Impact frequency at rated speed
Impact energy per stroke according to EPTA-Procedure 05/2009
Rated speed
Tool holder
Spindle collar diameter
* not suitable with core bit
The values given are valid for a nominal voltage [U] of 230 V. For different voltages and models for specific countries, these values can vary.
Please observe the article number on the type plate of your machine. The trade names of the individual machines may vary.
Bosch Power Tools
5 Locking sleeve
6 Lock ring for rapid-change chuck (GBH 3-28 DFR)
7 On/Off switch
8 Release button for mode selector switch
9 Mode selector switch
10 Button for depth stop adjustment
11 Depth stop
12 Auxiliary handle (insulated gripping surface)
13 Rotational direction switch
14 Handle (insulated gripping surface)
15 Securing screw for key type drill chuck*
16 Key type drill chuck*
17 SDS-plus adapter shank for drill chuck*
18 Drill chuck mounting (GBH 3-28 DFR)
19 Identification grooves
20 Front sleeve of the quick change keyless chuck
(GBH 3-28 DFR)
21 Retaining ring of the quick change keyless chuck
(GBH 3-28 DFR)
22 Extraction sleeve of the dust extraction attachment*
23 Clamping screw for the dust extraction attachment*
24 Depth stop of the dust extraction attachment*
25 Telescopic pipe of the dust extraction attachment*
26 Wing bolt of the dust extraction attachment*
27 Guide pipe of the dust extraction attachment*
28 Universal bit holder with SDS-plus shank*
*Accessories shown or described are not part of the standard de-
livery scope of the product. A complete overview of accessories
can be found in our accessories program.
GBH 3-28 DRE
Professional
3 611 B3A 0..
W 800
-1
min 0–4000
J 3.1
-1
min 0–900
SDS-plus
mm 50
English | 15
GBH 3-28 DFR
Professional
3 611 B4A 0..
–
800
0–4000
3.1
0–900
SDS-plus
50
1 609 929 Y58 | (23.3.11)