Fein Kbm 50 auto Setup guide

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

C-SC_CSSM 2013-09-01 1/103Version 1.0

Repair instructions

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

C-SC_CSSM 2013-09-01 2/103Version 1.0

1. Models described

2. Technical data

3. Notes / requirements

4. Tools required

5. Lubricants and auxiliary substances required

6. Disassembly

7. Assembly

8. Troubleshooting

9. Connection diagram

Contents

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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These instructions describe how to repair the following models:

Model Order no.

KBM 50 Auto 7 27 042 00 23 0

JCM 200 Auto 7 27 046 12 36 0

1. Models described

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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2. Technical data

Technical data

The complete technical data can be found in the operating instructions for the model.

Test data

Up-to-date test data for all models can be found on the FEIN Extranet (Customer Service → Repair Guides).

Lubricants

The lubricants and container sizes available from FEIN can be found on the FEIN Extranet

(Customer Service → Repair Guides).

Lists of spare parts

Lists of spare parts and exploded views are available online at www.fein.com

KBM 50 Auto

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3. Notes / requirements

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!

Requirements

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.

The provisions set out in DIN VDE 0701-0702 should be observed after repairs.

The relevant accident prevention regulations of the employers’ liability insurance associations are

to be observed when commissioning.

The German Equipment and Product SafetyAct applies for correct use.

Outside Germany, the regulations applicable in the relevant country must be observed!

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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4. Tools required

Standard tool Special tool Order number

- Torx 15 and 20 screwdrivers

- 2x cross screwdriver

- Slotted screwdriver

- Socket wrenches: sizes 2; 2.5; 3; 4;

5; 6

- Arbor press

- 2x plastic hammer

- Size 5 punch

- Rubber hammer

- Circlip pliers for

inner and outer rings

- Inner bearing puller, 6-10 mm

- Inner bearing puller, 12-16 mm

- Inner bearing puller, 18-22 mm

- Torque wrench with

hexagon socket fixture 2.5 mm

- Hammer

- Drift key 6 33 05 003 00 3

- Press-on fixture 6 41 01 019 00 8

- Drawing-off socket cap 6 41 04 150 00 8

- Chuck cone 19mm

26mm 6 41 07 019 00 7

6 41 07 026 00 0

- Hook 6 41 22 121 01 0

- Extractor

NOTE

You can only order special tools with an order number from FEIN.

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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4. Tools required

Standard tool

- Sleeve Outer diameter

Inner diameter ~65 mm

55 mm

Outer diameter

Inner diameter ~55 mm

40 mm

Outer diameter

Inner diameter ~53 mm

45 mm

Outer diameter

Inner diameter ~52 mm

38 mm

Outer diameter

Inner diameter 40 mm

~30mm

Outer diameter

Inner diameter ~35 mm

25 mm

Outer diameter

Inner diameter 30mm

~15mm

NOTE

You can only order special tools with an order number from FEIN.

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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4. Tools required

Standard tool

- Sleeve Outer diameter

Inner diameter 28mm

~21mm

Outer diameter

Inner diameter ~25mm

15mm

Outer diameter

Inner diameter 21mm

~10mm

- Ball bearing support 19 mm

26 mm

- Base Height

Width 66 mm

~20 mm

NOTE

You can only order special tools with an order number from FEIN.

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

C-SC_CSSM 2013-09-01 9/103Version 1.0

5. Lubricants and auxiliary substances

required

Lubricants

Grease 0 40 106 0100 1 5g NILOS ring, sealing rings, shaft (spider), guide,

Feed gearbox (three balls, worm, worm wheel)

Grease 0 40 118 0300 9 120g Gearbox

KBM 50 Auto

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1. Remove container (1).

6. Disassembly

Disassembling container

1

KBM 50 Auto

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1. Loosen nut (1) [left-handed thread].

2. Remove drill chuck with help of drift key (2).

3. Remove circlip (3).

4. Pull off nut (4).

6. Disassembly

Disassembling quick-release chuck

Tool:

- Circlip pliers

- Plastic hammer

- Drift key

4

3

1

2

KBM 50 Auto

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CAUTION! Risk of injury due to tensioned spiral spring.

When loosening circlip, hold washer with hand.

1. Push up sleeve (1) and hold.

2. Remove circlip (2).

3. Remove washer (3) and bolt (4).

4. Remove spiral spring (5).

6. Disassembly

Disassembling quick-release chuck

Tool:

- Circlip pliers

1

2

543

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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CAUTION! Risk of injury due to tensioned spiral spring.

When loosening circlip, hold cover with hand.

1. Remove circlip (1).

2. Remove cover (2).

6. Disassembly

Disassembling quick-release chuck

Tool:

- Circlip pliers

21

KBM 50 Auto

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1. Remove spiral spring (1).

2. Remove inner sleeve (2).

3. Remove outer sleeve (3).

4. Remove four balls (4).

6. Disassembly

3

Disassembling quick-release chuck

4

2

1

KBM 50 Auto

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1. Remove circlip (1).

2. Remove nut (2).

3. Push up outer sleeve (3) and hold.

CAUTION! Risk of injury due to tensioned spiral spring.

When loosening circlip, hold disc with hand.

4. Remove circlip (4).

6. Disassembly

3

Disassembling Weldon mounting shaft (accessory)

2

1

4

KBM 50 Auto

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1. Remove disc (1) and sleeve (2).

2. Remove spring (3).

3. Remove circlip (4).

CAUTION! Risk of injury due to tensioned spiral spring.

When loosening the circlip, hold sleeve (5) with hand.

4. Remove sleeve (5).

6. Disassembly

Disassembling Weldon mounting shaft (accessory)

4

1 2 5

3

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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1. Remove spiral spring (1).

2. Remove inner sleeve (2).

3. Remove outer sleeve (3).

4. Remove two pins (4).

5. Remove two sealing rings (5).

6. Disassembly

3

Disassembling Weldon mounting shaft (accessory)

2

1

4

5

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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1. Loosen two screws (1) and take off cover (2).

2. Remove switch insert (3).

6. Disassembly

Disassembling switch insert of drill unit

3

2

Tool:

- Torx T20

1

KBM 50 Auto

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1. Loosen two screws (1) and remove housing half (2).

2. Unlock plug (3) and pull off ribbon cable (4).

3. Remove plug (5).

4. Remove electronics PCB (6).

6. Disassembly

Disassembling PCB of drill unit

1

2

Tool:

- Torx T20

56

4

3

KBM 50 Auto

FEIN retains all rights of disposal, such as copying and circulation.

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1. Remove second housing half (1).

2. Disconnect and remove all cables which are connected on the PCB (2).

3. Use two screwdrivers to remove the electronics PCB (2).

4. Pull cable shoes off brush holders.

6. Disassembly

Disassembling PCB of drill unit

1

Tool:

- Two slotted screwdrivers

2

Fein KBM 50 auto Setup guide

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