Bosch Professional GBH 2-28 F Original Instructions Manual page 11

OBJ_BUCH-1232-007.book Page 11 Tuesday, June 21, 2016 10:57 AM
Symbol Meaning
Movement direction
Reaction direction
Prohibited action
Permitted action
Next step of action
Right/left rotation
Drilling without impact
Hammer Drilling
Chiselling
Screwdriving
Vario-Lock
Switching On
Switching Off
On/Off switch lock-on
Releasing the On/Off switch
Low speed/impact rate
High speed/impact rate
Extraction
Dust cup
Tool holder
P Rated power input
1
Bosch Power Tools
Symbol Meaning
E Impact energy per stroke according to
EPTA-Procedure 05/2009
n No-load speed
0
Ø Drilling diameter, max.
Concrete
Steel
Wood
Brickwork
Core bit
Weight according to
EPTA-Procedure 01:2014
Protection class
L Sound power level
wA
L Sound pressure level
pA
a Vibration total value
h
K Uncertainty
Delivery Scope
Rotary hammer, auxiliary handle and depth stop.
Application tools and other accessories shown or described
are not part of the standard delivery scope.
A complete overview of accessories can be found in our ac-
cessories program.
Intended Use
The machine is intended for hammer drilling in concrete,
bricks and masonry, as well as for light chiselling work. It is al-
so suitable for drilling without impact in wood, metal, ceram-
ics and plastic, as well as for screwdriving.
Technical Data
The technical data of the machine are listed in the table on
page 183.
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.
Noise/Vibration Information
The measured values of the machine are listed in the table on
page 183.
Sound emission values determined according to
EN 60745-2-6.
Vibration total values a (triax vector sum) and uncertainty K
h
determined according to EN 60745-2-6.
The vibration level given in this information sheet has been
measured in accordance with a standardised test given in
EN 60745 and may be used to compare one tool with anoth-
er. It may be used for a preliminary assessment of exposure.
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1 609 92A 2H6 | (21.6.16)