Fein kbb38x Setup guide

KBB 38 X
Repair instructions
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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KBB 38 X
Contents
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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1. Models described
2. Technical data
3. Notes and requirements
4. Tools required
5. Lubricants and auxiliary substances required
6. Removal
7. Fitting
8. Troubleshooting
9. Connection diagram

KBB 38 X
1. Models described
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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These repair instructions describe how to repair the following models:
Model Order number
KBB 38 X 7 272 12 .. .. .

KBB 38 X
2. Technical data
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FEIN retains all rights of disposal, such as copying and circulation.
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Technical data
All the 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

KBB 38 X
3. Notes and requirements
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FEIN retains all rights of disposal, such as copying and circulation.
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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.
The provisions set out in DIN VDE 0701-0702 should be observed after repairs.
The relevant accident prevention regulations of the employer’s liability insurance associations are to be observed when
commissioning.
The German Equipment and Product Safety Act [ProdSG] applies for correct use.
Outside Germany, the regulations applicable in the relevant country must be observed.

KBB 38 X
4. Tools required
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FEIN retains all rights of disposal, such as copying and circulation.
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Standard tools Special tools
Arbor press Chuck cone 22 mm 6 41 07 022 00 1
Cross-tip screwdriver PH2 Chuck cone 28 mm 6 41 07 028 00 2
Socket head wrenches 2.5 mm/3 mm/4 mm/5 mm Drawing-off socket cap 6 41 04 150 00 8
Open-ended spanner WAF 10/14
Circlip pliers
Slotted screwdriver
Flat-nose pliers
Plastic hammer
Sleeve 38 mm inner diameter
25 mm outer diameter
15 mm inner diameter
40 mm outer diameter
18 mm inner diameter
35 mm outer diameter
28 mm inner diameter

KBB 38 X
4. Tools required
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FEIN retains all rights of disposal, such as copying and circulation.
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Standard tools
Press-in bolt 10 mm diameter/25 mm diameter/28 mm diameter
Ball bearing support 22 mm

KBB 38 X
5. Lubricants and auxiliary substances required
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Lubricants
Grease 0 40 127 0100 0 80 g Housing

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the swarf guard and coolant tank
1. Open the protective grille (1).
2. Loosen the set screw (2).
3. Remove the protective grille.
4. Unscrew the two screws (3).
5. Remove the guide (4).
Tools:
- Socket head
wrench 2.5 mm
- PH2 cross-tip
screwdriver
3
1
2

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the swarf guard and coolant tank
1. Remove the hose (1).
Empty the tank and pipe first.
2. Remove the tank (2).
1
2

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the electronics
1. Unscrew the six screws (1) and remove the plate.
2. Unscrew the screw (2).
3. Pull off the two plugs (3).
4. Pull off the two plugs (4).
5. Pull the electronics (5) out of the cover.
6. Unscrew the two screws (6).
7. Remove the cover (7).
Tools:
- PH2 cross-tip
screwdriver
- Socket head wrench
2.5 mm
1
2
4
3
5
6
7

KBB 38 X
6. Removal
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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Removing the electronics
1. Pull the cables (1) off the switch.
2. Unscrew the pushbutton (2).
3. Unscrew the pushbutton (3).
4. Remove the switch module (4).
Tools:
- Open-ended spanner
WAF 14
1
4
2
3

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the switch
1. Press the lock (1) on both sides with the screwdriver.
2. Remove the switch.
Tools:
- Slotted screwdriver
1

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the shaft
1. Unscrew the holder (1).
2. Unscrew the two screws (2).
3. Remove the intermediate gearbox (3).
4. Unscrew the two screws (4).
5. Remove the shaft (5).
Tools:
- Socket head wrench
5 mm
- Socket head wrench
4 mm
- Socket head wrench
3 mm
1
2
3
4
5

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the guide
1. Unscrew the screw (1).
2. Use the spider to turn the drill motor (2) upward.
3. Unscrew the guide (4).
4. Remove the connecting cable (3).
Tools:
- Socket head wrench
5 mm
1
2
4
3

KBB 38 X
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the shaft
1. Remove the circlip (1) from the shaft.
2. Remove the shaft (2).
Tools:
- Open-ended spanner
WAF 10
- Circlip pliers
1
2

KBB 38 X
6. Removal
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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Removing the magnetic foot
1. Unscrew the four screws (1).
2. Remove the magnetic foot and the tension belt.
Tools:
- Socket head
wrench 4 mm
1

KBB 38 X
6. Removal
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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Removing the guide plate
1. Unscrew the four screws (1).
2. Remove the guide (2).
3. Remove the terminals (3).
4. Unscrew the earthing conductor (4) from the guide.
Tools:
- Socket head
wrench 4 mm
- Socket head
wrench 3 mm
- PH2 cross-tip
screwdriver
2
4
3
1

KBB 38 X
6. Removal
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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Removing the guide plate
1. Remove the cable (1).
2. Unscrew the two screws (2).
3. Remove the gear rack (3).
Tools:
- Socket head
wrench 4 mm
1
2
3

KBB 38 X
6. Removal
C-SC_CSSM Version 1.0 2015-08-25 All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
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Removing the motor housing
1. Remove the covers for the carbon brushes (1) on both sides.
2. Take out the carbon brushes (2).
3. Unscrew the four screws (3).
Tools:
- Slotted screwdriver
- Socket head
wrench 5 mm
1
2
3