Baumr-AG BMJK-22P User Manual Download Page 10

Bäumr-AG Electric Jackhammers 

E&OE 

©2017 Bäumr-AG 

10 

2.  Turn the tool over and drain the oil into a suitable container. It may help hold the tool at various angles to 

drain as much oil as possible. Dispose of used oil according to regulations and in an environmentally 

responsible manner. 

3.  Lay the tool flat so the oil sight glass is facing up. 

4.  Add oil to the tool. 

5.  Re-install the oil sight glass or plate and seals, then check oil level and adjust as necessary. 

Motor Brushes 

The electric motor uses 2 carbon "brushes" in order to function. The brushes wear as a result of use – this is 

normal, and some tools may come with replacement brushes. If the brushes are allowed to wear past the 

acceptable limit, the motor may produce less power, operate intermittently, or not operate at all. To check 

brushes: 
1.  Remove the screws (

A

) (rotate left) securing the motor brush cover (

B

) on both sides of the motor 

housing (

C

) and remove the covers. Ensure that any seals (O-rings etc) are retained. 

2.  Clean the tool in the area under the brush covers to help prevent any dirt or other material entering the 

motor housing. 

3.  Use a coin or wide flat blade screwdriver to remove the brush cap (

D

). 

4.  Pull the brush (

E

) from the cavity and check the length of the carbon section (

F

). If the brush length is 

close to the minimum acceptable limit (7mm), replace the brush – always replace both brushes at the 

same time. 

 

 

 

 

5.  Insert the brush into the cavity – the brush has 

2 prongs on the electrical conductor (

G

) – ensure 

these sit in the slots (

H

). 

6.  Re-install the brush cap (rotate right. Do not 

over-tighten). 

7.  Re-install any seals and the brush covers and 

secure using the screws (rotate right). 

 
 

Bits 

Regularly inspect bits for excessive wear, blunting, cracks or chips. Using a blunt bit will reduce tool 

efficiency, and may lead to other problems, such as premature wear in the gearbox or motor brushes etc. 
For limited wear or damage at the tip, remove the worn section using a suitable grinder – remove the minimal 

amount of material only and be sure to shape the tip correctly. If wear/damage is extensive – replace the bit. 

Fasteners 

The tool generates a lot of vibration, which may cause some fasteners to loosen over time. Regularly inspect 

all visible fasteners for tightness, and tighten as necessary using suitable tools. If the tool vibrates 

excessively during use, stop using the tool and check all fasteners before continuing 

Minimum 

= 7mm 

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

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BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

BAUMR-AG   BAUMR-AG   BAUMR-AG   BAU

MR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG   BAUMR-AG  

Summary of Contents for BMJK-22P

Page 1: ...2017 READ THIS MANUAL CAREFULLY BEFORE USE FAILURE TO DO SO MAY RESULT IN INJURY PROPERTY DAMAGE AND MAY VOID WARRANTY KEEP THIS MANUAL FOR FUTURE REFERENCE Products covered by this manual may vary in appearance assembly inclusions specifications description and packaging ...

Page 2: ...rry equipment with hands fingers touching any controls Remove any tools or other items that are not a part of the equipment from it before starting or switching on Stay alert and use common sense when operating equipment Do not overreach Keep proper footing and balance at all times Do not use equipment when tired or under the influence of drugs alcohol or medication This equipment is not intended ...

Page 3: ...this instruction manual After use the equipment and components may still be hot allow the equipment to cool and disconnect spark plugs and or electrical power sources and or batteries from it before making adjustments changing accessories or performing repair or maintenance Do not make adjustments while the equipment is running Perform all service related activities under suitable conditions such ...

Page 4: ...afety 2 Applicable Models 5 Parts Identification 6 Operation 7 Changing Bits 7 Adjusting the Secondary Handle 7 Using the Jackhammer 8 Maintenance 9 Maintenance Schedule 9 Hammer Case Lubrication 9 Motor Brushes 10 Bits 10 Fasteners 10 Troubleshooting 11 Specifications 11 ...

Page 5: ...R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A B A U M R A G B A U M R A G B A ...

Page 6: ...R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B G B A U M R A G B A U M R A G B A U M R A G B A U M R A G ...

Page 7: ...R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R ...

Page 8: ... A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M...

Page 9: ...ssary To change oil 1 Remove the oil sight glass or plate as described above A C B A U M R A G R A G B A U M R A G A G B A U M R A G B A U M R G B A U M R A G B A U M R A G B A U M R B A U M R A G B A U M R A G B A U M R A G B A U A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M...

Page 10: ...A B C D E F H G A U M R A G R A G B A U M R A G A G B A U M R A G B A U M R G B A U M R A G B A U M R A G B A U M R B A U M R A G B A U M R A G B A U M R A G B A U A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G R A G B A U M R A G B A U M R A ...

Page 11: ... A U M R A G B A U M R A G B A U M R A G M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A G B A U M R A...

Page 12: ...specific application or your description of the application Be sure to attain third party approval for your application from a qualified specialist before use regardless of prior assurances by the retailer or its representatives This product is not intended for use where fail safe operation is required As with any product take an automobile aircraft computer or ball point pen for example there is ...

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