Fein KBE 50-2M Series Setup guide

Kernbohren Metall
Repair instructions
Applies to:
KBE 50-2M (A), KBE 50-2M (B), KBE 50-2M (C), KBE 65-2M, KBE 65-2M (A)

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Contents
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Contents
Contents...................................................................................................................................................2
1Models described..............................................................................................................................5
2Technical data...................................................................................................................................6
3Symbols used....................................................................................................................................7
4Notes and requirements....................................................................................................................8
5Safety instructions.............................................................................................................................9
6Tools, lubricants and auxiliary substances required.........................................................................11
6.1 Standard tools..........................................................................................................................11
6.2 Special tools.............................................................................................................................12
6.3 Lubricants and auxiliary substances required...........................................................................12
7Test and diagnostics options...........................................................................................................13
8Disassembly....................................................................................................................................14
8.1 Removing the container............................................................................................................14
8.2 Removing the motor housing....................................................................................................15
8.2.1 Removing the connecting cable ........................................................................................15
8.2.2 Removing the drill motor ...................................................................................................16
8.2.3 Removing the carbon brushes...........................................................................................17
8.2.4 Removing the motor housing.............................................................................................18
8.2.5 Removing the intermediate gear box.................................................................................19
8.2.6 Disassembling the intermediate gear box..........................................................................20
8.2.7 Disassembling the armature..............................................................................................21
8.2.8 Removing the motor housing.............................................................................................23
8.3 Disassembling the gearbox housing.........................................................................................24
8.3.1 Removing the gearbox parts .............................................................................................24
8.3.2 Removing the shaft ...........................................................................................................27
8.3.3 Disassembling the shaft ....................................................................................................29
8.3.4 Disassembling the gearbox parts ......................................................................................30
8.4 Disassembling the drill chuck ...................................................................................................33
8.4.1 Disassembling the mounting shaft.....................................................................................33
8.4.2 Disassembling the shaft ....................................................................................................35
8.5 Disassembling the drill jig.........................................................................................................37
8.5.1 Removing the control panel...............................................................................................37
8.5.2 Disassembling the control panel........................................................................................38

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8.5.3 Removing the electronics..................................................................................................39
8.5.4 Disassembling the electronics...........................................................................................40
8.5.5 Disassembling the mains cable.........................................................................................41
8.5.6 Removing the magnetic base............................................................................................42
8.5.7 Disassembling the magnetic base.....................................................................................43
8.5.8 Removing the protective hose...........................................................................................44
8.5.9 Disassembling the protective hose....................................................................................45
8.5.10 Removing the guide ..........................................................................................................46
8.5.11 Removing the spider .........................................................................................................49
8.5.12 Disassembling the spider ..................................................................................................50
9Assembly.........................................................................................................................................51
9.1 Assembling the drill jig..............................................................................................................51
9.1.1 Assembling the spider.......................................................................................................51
9.1.2 Positioning the spider........................................................................................................52
9.1.3 Positioning the guide.........................................................................................................53
9.1.4 Assembling the protective hose.........................................................................................56
9.1.5 Positioning the protective hose..........................................................................................57
9.1.6 Assembling the magnetic base..........................................................................................58
9.1.7 Positioning the magnetic base...........................................................................................59
9.1.8 Assembling the electronics................................................................................................60
9.1.9 Positioning the electronics.................................................................................................61
9.1.10 Assembling the control panel ............................................................................................63
9.1.11 Positioning the control panel .............................................................................................64
9.2 Assembling the drill chuck........................................................................................................65
9.2.1 Assembling the shaft.........................................................................................................65
9.2.2 Assembling the mounting shaft..........................................................................................67
9.3 Assembling the gearbox housing..............................................................................................68
9.3.1 Assembling the gearbox parts...........................................................................................68
9.3.2 Assembling the shaft.........................................................................................................71
9.3.3 Positioning the shaft..........................................................................................................72
9.3.4 Positioning the gearbox parts............................................................................................73
9.4 Assembling the motor housing .................................................................................................75
9.4.1 Assembling the motor housing ..........................................................................................75
9.4.2 Assembling the armature...................................................................................................76

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9.4.3 Assembling the intermediate gear box...............................................................................79
9.4.4 Positioning the intermediate gear box ...............................................................................80
9.4.5 Positioning the motor housing...........................................................................................81
9.4.6 Positioning the carbon brushes.........................................................................................82
9.4.7 Positioning the drill motor..................................................................................................83
9.4.8 Positioning the connecting cable.......................................................................................85
9.5 Setting the guide......................................................................................................................87
9.6 Positioning the container..........................................................................................................88
10 Inspection following repairs .............................................................................................................89

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Models described
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1 Models described
These repair instructions describe how to repair the following models:
Model
Material number
KBE 50-2 M (A)
7 270 64 .. .. .
KBE 50-2 M (B)
7 270 68 .. .. .
KBE 50-2 M (C)
7 270 82 .. .. .
KBE 65-2 M
7 270 61 .. .. .
KBE 65-2 M (A)
7 270 83 .. .. .

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Technical data
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2 Technical data
Technical data
The complete technical data can be found in the operating instructions for the model.
Troubleshooting
Troubleshooting for all devices can be found in the FEIN electronic information system.
Specific test specifications and measured values
Up-to-date test data for all devices can be found in the FEIN electronic information system.
Special tools, lubricants and auxiliary substances
The special tools catalogue and the lubricants and container sizes available from FEIN can be found in the
FEIN electronic information system.
Lists of spare parts
Lists of spare parts and exploded views are available online in our spare parts catalogue, which can be
accessed via the FEIN website.
Connection diagram
Lists of spare parts and exploded views can be found in the FEIN electronic information system.

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Symbols used
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3 Symbols used
Refers to measures for avoiding the risk of injuries.
Caution: Crushing hazard
Refers to information or instructions that should be followed. Non-observance can result in
damage or malfunctions.
Read the operating instructions.
Indicates notes that provide information or instructions that may provide a better understanding
and contribute to the more effective use of the product.
Part of the navigation interface.

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Notes and requirements
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4 Notes and requirements
Please note
These instructions are only intended for persons with suitable technical training. It is assumed that the
reader has mechanical and electrical training.
Only use original FEIN spare parts!
Provisions
Please note that power tools may only be repaired, maintained and checked by a trained electrician, as
improper repair can result in serious risks to the user.
Outside Germany, the regulations applicable in the relevant country must be observed.
The provisions set out in DIN VDE 0701-0702 should be observed after repairs.
The relevant accident prevention regulations are to be observed during commissioning.
The German Equipment and Product Safety Act [ProdSG] applies for correct use.
Disclaimer
The content of this documentation has been carefully reviewed and produced to the best of our knowledge.
C. & E. Fein GmbH assumes no responsibility for the completeness, relevance, quality or correctness of the
information provided.
Liability claims against C. & E. Fein GmbH that relate to material or immaterial damage caused by the use
or failure to use the information provided or by the use of incorrect or incomplete information are excluded.
Claims relating to acts committed intentionally or through gross negligence are categorically excluded.
PLEASE NOTE:
Read the operating instructions for the product before
carrying out the repair work.

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Safety instructions
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5 Safety instructions
5.1 Structure
5.2 Danger classification
Warning
This warning refers to a dangerous situation. If the situation is not avoided, this may result in severe injuries
or death.
Caution
This warning refers to a potentially dangerous situation. If the situation is not avoided, this may result in
slight or minor injuries. This may also be used as a warning against material damage.
Please note
Indicates a potentially harmful situation. If this situation is not avoided, the product or an object in its
environment could be damaged.
SIGNAL WORD FOR THE DANGER
CLASSIFICATION.
Type and source of the danger.
Possible consequences.
Measure that must be taken in order to avoid this danger.
WARNING!
Type and source of the danger.
Possible consequences.
Measure that must be taken in order to avoid this danger.
CAUTION!
Type and source of the danger.
Possible consequences.
Measure that must be taken in order to avoid this danger.
PLEASE NOTE:
Type and source of the danger.
Damage to the product or its environment.
Measure that must be taken in order to avoid this danger.

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Safety instructions
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5.3 Information
Indicates notes that provide information or instructions that may provide a better understanding and
contribute to the more effective use of the product.
INFORMATION
Tip

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Tools, lubricants and auxiliary substances required
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6 Tools, lubricants and auxiliary substances required
6.1 Standard tools
Cross-head screwdriver
PH2
Torx
T20
Slotted screwdriver
125x7
Socket head wrench set
Circlip pliers
Plastic hammer
Arbor press
Drift key
Long-nosed pliers
Combination pliers
Socket wrench
7 mm
Bolt
18 mm
Sleeve
5 mm inner diameter
16 mm outer diameter
13 mm inner diameter
26 mm outer diameter
7 mm inner diameter
18 mm outer diameter
7 mm inner diameter
13 mm outer diameter
10 mm inner diameter
23 mm outer diameter
26 mm inner diameter
30 mm outer diameter
17 mm inner diameter
25 mm outer diameter
5 mm inner diameter
15 mm outer diameter
16 mm inner diameter
25 mm outer diameter
10 mm inner diameter
24 mm outer diameter
26 mm inner diameter
42 mm outer diameter
Torque wrench with hexagon socket
fixture
2.5 mm

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Tools, lubricants and auxiliary substances required
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6.2 Special tools
Assembly aid
64122121010
Drawing-off socket cap
64104150000
Chuck cone
19 mm
diameter
26 mm
diameter
64107019007
64107026000
6.3 Lubricants and auxiliary substances required
Grease
04013203000
130 g
Gearbox
Grease
04012803000
Guide, gear rack

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Test and diagnostics options
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7 Test and diagnostics options
Currently unavailable.

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Disassembly
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8 Disassembly
8.1 Removing the container
1. Remove the container (1).
2. Remove the hose (2) from the hose socket.
INFORMATION
The container may contain liquid.
Always drain the container (1) before disassembly.
2
1

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Disassembly
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8.2 Removing the motor housing
8.2.1 Removing the connecting cable
Tool(s):
- Torx T15
1. Unscrew the two screws (1).
2. Remove the cover (2).
3. Unscrew the screw (3).
4. Remove the cable clamp (4).
5. Unscrew the two screws (5).
6. Remove the cover (6).
7. Remove the two strands (7).
2
1
4
3
5
6
7

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Disassembly
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8.2.2 Removing the drill motor
Steps that must be completed:
- Removing the container
- Removing the connecting cable
Tool(s):
- Slotted screwdriver
- Socket head wrench, 6 mm
1. Unscrew the flat-head screw (1).
2. Unscrew the two screws (2).
CAUTION!
Crushing hazard around the drill motor
Crushing can occur.
Move the drill motor down using the spider before unscrewing
the two screws (2).
3. Slide the drill motor (3) out of the guide.
1
2
3

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Disassembly
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8.2.3 Removing the carbon brushes
Steps that must be completed:
- Removing the connecting cable
Tool(s):
- Assembly aid
- Long-nosed pliers
1. Lift up the spring (1).
2. Remove the carbon brush (2).
3. Pull off the plug (3).
4. Remove the carbon brush holder (4).
5. Disconnect the cable (5).
6. Repeat steps 1 to 5 on the opposite side of the machine.
1
2
3
4
5

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Disassembly
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8.2.4 Removing the motor housing
Steps that must be completed:
- Removing the connecting cable
- Removing the drill motor
Tool(s):
- Socket head wrench, 5 mm
1. Unscrew the four screws (1).
2. Remove the motor (2).
1
2

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Disassembly
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8.2.5 Removing the intermediate gear box
Steps that must be completed:
- Removing the connecting cable
- Removing the drill motor
- Removing the carbon brushes
- Removing the drill motor
Tool(s):
- Torx T20
1. Unscrew the four screws (1).
2. Remove the intermediate gear box (2).
1
2

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Disassembly
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8.2.6 Disassembling the intermediate gear box
Steps that must be completed:
- Removing the connecting cable
- Removing the drill motor
- Removing the carbon brushes
- Removing the drill motor
- Removing the intermediate gear box
Tool(s):
- Arbor press
- Inner puller
- Sleeve
60 mm inner diameter, 85 mm outer diameter
- Punch, 7 mm diameter
- Assembly aid
1. Press out the armature (1).
2. Remove the three deep groove ball bearings (2).
1
2