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K545 S 

.........................4427 77 03... 

.........................4422 05 03... 

 

   ...000001-999999

.......................... 1300 W

............................ 650 W

............................ 300 min

-1

............................ 300 min

-1

.......................... 2840 min

-1

............................. 8,5 J

.............................. 45 mm

.............................. 65 mm

............................ 100 mm

.............................. 66 mm

............................. 6,7 kg

........................... 98,5 dB (A)

......................... 109,5 dB (A)

............................11,5 m/s

2

............................. 1,5 m/s

2

................................ 9 m/s

2

............................. 1,9 m/s

2

ENGLISH

EC-DECLARATION OF CONFORMITY

We declare as the manufacturer under our sole responsibility that the 

product described under “Technical Data” fulfi lls all the relevant regulations 

and the directives 2011/65/EU (RoHS), 2014/30/EU, 2006/42/EC, and the 

following harmonized standards have been used: 
EN 60745-1:2009+A11:2010

EN 60745-2-6:2010

EN 55014-1:2017+A11:2020

EN 55014-2:2015

EN 61000-3-2:2014

EN 61000-3-3:2013

EN IEC 63000:2018
Winnenden, 2021-01-12

Alexander Krug

Managing Director 
Authorized to compile the technical fi le
Techtronic Industries GmbH

Max-Eyth-Straße 10

71364 Winnenden

Germany

GB-DECLARATION OF CONFORMITY

We declare as the manufacturer under our sole responsibility that the 

product described under “Technical Data” fulfi lls all the relevant provisions 

of the following Regulations S.I. 2008/1597 (as amended), S.I. 2016/1091 

(as amended), S.I. 2012/3032 (as amended) and  that the following 

designated standards have been used:
BS EN 60745-1:2009+A11:2010

BS EN 60745-2-6:2010

BS EN 55014-1:2017+A11:2020

BS EN 55014-2:2015

BS EN 61000-3-2:2014

BS EN 61000-3-3:2013

BS EN IEC 63000:2018
Winnenden, 2021-01-12

Alexander Krug 

Managing Director 
Authorized to compile the technical fi le.
Techtronic Industries GmbH

Max-Eyth-Straße 10

71364 Winnenden

Germany

MAINS CONNECTION

Appliances used at many diff erent locations including wet room and open 

air must be connected via a residual current device (FI, RCD, PRCD) of 

30mA or less.
Connect only to single-phase AC current and only to the system voltage 

indicated on the rating plate. It is also possible to connect to sockets 

without an earthing contact as the design conforms to safety class II.
Make sure the machine is switched off  before plugging in.
This is a device for professional use which may slightly exceed the guide 

values for current harmonics when it is connected to the public low voltage 

mains supply. You should therefore contact your energy supply company 

before you connect the device to the public low voltage mains supply.

WORK WHEN IT'S COLD

If the tool is stored for a long period of time or at cold temperatures, the 
lubrication may become stiff  and the tool may not working initially or the 
working may be weak. If this happens:
1.  Insert a bit or chisel into the tool.
2.  Run the tool against a scrap piece of concrete.
3.  Pull and release the trigger every few seconds.

After 15 seconds to 2 minutes, the tool will start hammering normally. The 

colder the tool is, the longer it will take to warm up.

MAINTENANCE

The ventilation slots of the machine must be kept clear at all times.
Important note! If the carbon brushes are worn, in addition to exchanging 

the brushes the tool should be sent to after-sales service. This will ensure 

long service life and top performance.
If the supply cord of this appliance is damaged, it must only be replaced by 

a repair shop appointed by the manufacturer, to avoid hazardous situations.
Use only Milwaukee accessories and spare parts. Should components 

need to be replaced which have not been described, please contact one of 

our Milwaukee service agents (see our list of guarantee/service addresses).
If needed, an exploded view of the tool can be ordered. Please state the 

Article No. as well as the machine type printed on the label and order the 

drawing at your local service agents or directly at: Techtronic Industries 

GmbH, Max-Eyth-Straße 10, 71364 Winnenden, Germany.

SYMBOLS

CAUTION! WARNING! DANGER!

Always disconnect the plug from the socket before 

carrying out any work on the machine.

Please read the instructions carefully before 

starting the machine.

Accessory - Not included in standard equipment, 

available as an accessory.

Do not dispose of electric tools together with 

household waste material.

Electric tools and electronic equipment that have 

reached the end of their life must be collected 

separately and returned to an environmentally 

compatible recycling facility.

Check with your local authority or retailer for 

recycling advice and collection point.

Class II tool, tool in which protection against 

electric shock does not rely on basic insulation 

only, but in which additional safety precautions, 

such as double insulation or reinforced insulation, 

are provided. 

There being no provision for protective earthing or 

reliance upon installation conditions.

European Conformity Mark

British Confomity Mark

Regulatory Compliance Mark (RCM). Product 

meets applicable regulatory requirements.

National mark of conformity Ukraine

EurAsian Conformity Mark.

ENGLISH

TECHNICAL DATA 

ROTARY HAMMER

Production code...............................................................................................

   .....................................................................................................................

 

Rated input ......................................................................................................

Output ..............................................................................................................

No-load speed .................................................................................................

Speed under load max. ...................................................................................

Rate of percussion under load max. ................................................................

Impact energy per stroke according to EPTA-Procedure 05/2009 

Drilling capacity in concrete .............................................................................

Tunnel bit in concrete, bricks and limestone ...................................................

Core cutter in concrete, bricks and limestone .................................................

Chuck neck diameter .......................................................................................

Weight according EPTA-Procedure 01/2003 ...................................................

Noise information

Measured values determined according to EN 60 745.

Typically, the A-weighted noise levels of the tool are:

Sound pressure level (Uncertainty K=3dB(A)) ................................................

Sound power level (Uncertainty K=3dB(A)) .....................................................

Wear ear protectors!
Vibration information

Vibration total values (triaxial vector sum) determined according to EN 

60745

Hammer-drilling in concrete: 

  Vibration emission value a

h

 ..........................................................................

  Uncertainty K= .............................................................................................

Chiselling

  Vibration emission value a

h

 ..........................................................................

  Uncertainty K= .............................................................................................

 WARNING! Read all safety warnings and all instructions. 

Failure to 

follow the warnings and instructions may result in electric shock, fi re and/or 

serious injury. 

Save all warnings and instructions for future reference. 

 

ROTARY HAMMER SAFETY WARNINGS

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 the power tool by insulated gripping surfaces only, when 

performing an operation where the cutting accessory may contact 

hidden wiring or its own cord.

 Cutting accessory contacting a "live" wire 

may make exposed metal parts of the power tool "live" and could give the 

operator an electric shock.

ADDITIONAL SAFETY AND WORKING INSTRUCTIONS

Use protective equipment. Always wear safety glasses when working with 

the machine. The use of protective clothing is recommended, such as dust 

mask, protective gloves, sturdy non-slip footwear, helmet and ear 

defenders.
The dust produced when using this tool may be harmful to health. Do not 

inhale the dust. Wear a suitable dust protection mask.
Do not machine any materials that present a danger to health (e.g. 

asbestos).
Switch the device off  immediately if the insertion tool stalls! Do not switch 

the device on again while the insertion tool is stalled, as doing so could 

trigger a sudden recoil with a high reactive force. Determine why the 

insertion tool stalled and rectify this, paying heed to the safety instructions.

The possible causes may be:

•  it is tilted in the workpiece to be machined

•  it has pierced through the material to be machined

•  the power tool is overloaded
Do not reach into the machine while it is running.
The insertion tool may become hot during use.

WARNING! 

Danger of burns

•  when changing tools

•  when setting the device down
Chips and splinters must not be removed while the machine is running.
Keep mains lead clear from working range of the machine. Always lead the 

cable away behind you.
When working in walls ceiling, or fl oor, take care to avoid electric cables 

and gas or waterpipes.
Clamp your workpiece with a clamping device. Unclamped workpieces can 

cause severe injury and damage.
Always disconnect the plug from the socket before carrying out any work 

on the machine.
When working with large drill diameters, the auxiliary handle must be 

fastened in a right angle with the main handle (see illustrations, section 

"Twisting the handle").

SPECIFIED CONDITIONS OF USE

The pneumatic hammer can be universally used for hammer drilling and 

chiselling in stone and concrete.
Do not use this product in any other way as stated for normal use.

WARNING

The vibration emission 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 another. It may be used for a preliminary assessment of exposure.
The declared vibration emission level represents the main applications of the tool. However if the tool is used for diff erent applications, with diff erent 

accessories or poorly maintained, the vibration emission may diff er. This may signifi cantly increase the exposure level over the total working period.
An estimation of the level of exposure to vibration should also take into account the times when the tool is switched off  or when it is running but not actually 

doing the job. This may signifi cantly reduce the exposure level over the total working period.
Identify additional safety measures to protect the operator from the eff ects of vibration such as: maintain the tool and the accessories, keep the hands warm, 

organisation of work patterns.

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