Noise/Vibration Information; Battery Charging - Bosch GBH 18V-28 DC Professional Manual Original

Cordless rotary hammer
– Anticlockwise min
Tool holder
Spindle collar diameter mm
Max. drilling diameter
– Concrete mm
– Masonry (with hollow mm
core bit)
– Steel mm
– Wood mm
Weight according to
EPTA-Proced-
ure 01:2014
Recommended ambient
temperature during char-
ging
Permitted ambient tem-
perature during opera-
tion B) and during storage
Compatible rechargeable
batteries
Recommended re-
chargeable batteries
Recommended chargers
A) Measured at 20–25 °C with rechargeable battery ProCORE18V
4.0Ah.
B) Limited performance at temperatures < 0 °C

Noise/Vibration Information

Noise emission values determined according
to EN 62841-2-6.
Typically, the A-weighted noise level of the power tool is:
Sound pressure level 92 dB(A); sound power
level 103 dB(A). Uncertainty K = 3 dB.
Wear hearing protection!
Vibration total values a (triax vector sum) and uncertainty K
h
determined according to EN 62841-2-6:
Hammer drilling into concrete: a
h
Chiselling: a =7.2 m/s , K=1.5 m/s
2
h
Drilling into metal: a =2.5 m/s 2 , K=1.5 m/s
h
Screwdriving: a =2.5 m/s , K=1.5 m/s
2
h
The vibration level and noise emission value given in these
instructions have been measured in accordance with a
standardised measuring procedure and may be used to com-
pare power tools. They may also be used for a preliminary
estimation of vibration and noise emissions.
The stated vibration level and noise emission value repres-
ent the main applications of the power tool. However, if the
power tool is used for other applications, with different ap-
plication tools or is poorly maintained, the vibration level
and noise emission value may differ. This may significantly
Bosch Power Tools
GBH 18V-28 DC
-1 0–950
SDS–plus
50
28
68
13
30
kg 3.3−4.3
°C 0 to +35
°C –20 to +50
GBA 18V...
ProCORE18V...
GBA 18V... ≥4.0 Ah
ProCORE18V...
GAL 18...
GAX 18...
GAL 36...
=10.1 m/s 2 , K=1.5 m/s 2 ,
,
2
2 ,
,
2
increase the vibration and noise emissions over the total
working period.
To estimate vibration and noise emissions accurately, the
times when the tool is switched off or when it is running but
not actually being used should also be taken into account.
This may significantly reduce vibration and noise emissions
over the total working period.
Implement additional safety measures to protect the oper-
ator from the effects of vibration, such as servicing the
power tool and application tools, keeping their hands warm,
and organising workflows correctly.
Dust emission information: with Bosch GDE 28 D
Professional
Dust emission values determined according
to EN 50632-2-6:
Respirable dust: <0.50 mg/m 3 , K = 0 mg/m
Inhalable dust: 0.80 mg/m 3 , K = 0.2 mg/m
Quarz dust: <0.05 mg/m 3
The indicated dust emission value was determined under the
following operating conditions:
Operating mode: Hammer drilling
Application tool: SDS–plus drill bit, diameter 16 mm
Note: If the power tool is used in another operating mode,
with other application tools or is poorly maintained, the dust
emission value may differ. This may significantly increase
dust emissions over the total working period.
If necessary, establish additional safety measures to protect
the operator from the effects of dust emissions, for example:
Wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
Assembly
Remove the battery from the power tool before carry-
u
ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.

Battery Charging

Use only the chargers listed in the technical data. Only
u
these chargers are matched to the lithium-ion battery of
your power tool.
Note: The battery is supplied partially charged. To ensure
full battery capacity, fully charge the battery in the charger
before using your power tool for the first time.
The lithium-ion battery can be charged at any time without
reducing its service life. Interrupting the charging process
does not damage the battery.
The lithium-ion battery is protected against deep discharge
by the "Electronic Cell Protection (ECP)". When the battery
is discharged, the power tool is switched off by means of a
protective circuit: The application tool no longer rotates.
English | 19
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1 609 92A 5SL | (26.11.2021)