Bosch GBH 3-28 DRE - Инструкция по эксплуатации - Страница 14

14

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1 619 92A 06A | (2.10.13)

Bosch Power Tools

Hammer Safety Warnings



Wear ear protectors. 

Exposure to noise can cause hear-

ing loss.



Use auxiliary handle(s), if supplied with the tool. 

Loss 

of control can cause personal injury.



Hold the tool by the insulated gripping surfaces when 
performing operations where the application tool or 
the screw could contact hidden wiring or its own power 
cord. 

Contact with a “live” wire will also make exposed 

metal parts of the power tool “live” and shock the operator.



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.



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 an 

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 author-
ised 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 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

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.

OBJ_BUCH-770-007.book  Page 14  Wednesday, October 2, 2013  10:37 AM