Fein BSS 2.0 E Setup guide

BSS 2.0E
Repair instructions
C-SC_CSSM
Version 1.0
2013-07-18
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FEIN retains all rights of disposal, such as copying and circulation.
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BSS 2.0E
Contents
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1. Models described
2. Technical data
3. Notes and requirements
4. Tools required
5. Lubricants and auxiliary substances required
6. Disassembly
7. Assembly
8. Troubleshooting
9. Connection diagram

BSS 2.0E
1. Models described
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These instructions describe how to repair the following models:
Model Order number
BSS 2.0E 7 230 33 00 23 0

BSS 2.0E
2. Technical data
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Technical data
The complete technical data can be found in the operating instructions for the specific 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

BSS 2.0E
3. Notes and requirements
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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 employers’ liability insurance associations are to be observed when
commissioning.
The German Equipment and Product Safety Act applies for correct use.
Outside Germany, the regulations applicable in the relevant country must be observed!

BSS 2.0E
4. Tools required
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Standard tools Special tool
Hex key 2mm; 2.5mm; 3mm; 4mm Assembly aid 6 41 22 108 00 0
Plastic mallet Drawing-off socket cap 6 41 04 150 00 8
Torx screwdriver T10; T15; T20 19mm chuck cone 6 41 07 019 00 7
Slotted screwdriver 26mm chuck cone 6 41 07 026 00 0
Phillips head screwdriver
Circlip pliers
Punch 2.8mm; 4.5mm; 5.7mm; 5.9mm
Arbor press
Cable hooks
Sleeves 4.5mm internal Ø
7mm internal Ø
12mm internal Ø
55mm internal Ø
Ball bearing support 19mm; 26mm
Internal puller 8-12mm
Puller 60x50mm
Feeler gauge 0.1-0.15mm
Pressure piece Ø 6.8mm; Ø 11mm

BSS 2.0E
5. Lubricants and auxiliary substances required
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Lubricants
Grease 0 40 101 0100 4 8 g Gearbox

BSS 2.0E
6. Disassembly
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Disassembling the motor
1. Pull the plug.
2. Remove the three screws (1) and take off the cover (2).
3. Unscrew the brush holder (3).
4. Unscrew the cable clamping piece (4).
5. Unplug the screw connections between motor and electronics.
6. Remove electronics (5).
7. Disconnect the supply cable (6).
Tool:
- Phillips head
screwdriver
- Torx T15
5
4
3
6
1
2

BSS 2.0E
6. Disassembly
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Separating motor and gearbox
1. Remove the two cylinder head screws (1).
2. Remove the housing (2) together with the adapter (3).
3. Remove the four screws (4) on the intermediate flange.
4. Remove the armature with intermediate flange (5).
5. Remove the air guide ring (6).
Tool:
- 4mm hex key
- Torx T15
1
4
2
5
6
3

BSS 2.0E
6. Disassembly
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Disassembling the stator
1. Lift up slide switch (1) with a slotted screwdriver.
2. Unscrew the two screws (2).
3. Drive field coil out of the motor housing by tapping it gently with the mallet.
Tool:
- Slotted screwdriver
- Torx T15
- Plastic mallet
1
2

BSS 2.0E
6. Disassembly
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Disassembling the stator
1. Remove the contact spring (1).
2. Remove the control rod (2).
3. Disconnect the four cables (3) from the stator.
1
2
3

BSS 2.0E
6. Disassembly
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Disassembling the armature and Intermediate bearing
1. Push the armature (1) out of the intermediate bearing.
2. Remove the gearbox shaft (2) from the intermediate bearing using a mallet.
3. Remove the grooved ball bearing (3) from the intermediate bearing.
4. Pull off grooved ball bearing (4).
5. Remove the grooved ball bearing (5) with the sealing ring (6).
Tool:
- Arbor press
- ø 5.9mm punch
- Sleeve with ø 55mm
interior
- Plastic mallet
- Slide hammer
- 8-12mm internal puller
- 26mm, 19mm chuck
cone
- Drawing-off socket cap
1
2
3
4
5
6

BSS 2.0E
6. Disassembly
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Disassembling the gear-wheel
1. Press the gear-wheel (1) and the grooved ball bearing (2) together from the shaft. Tool:
- ø 4.5mm punch
- Sleeve with ø18mm
interior
1
2

BSS 2.0E
6. Disassembly
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2013-07-18
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FEIN retains all rights of disposal, such as copying and circulation.
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Disassembling the gearbox
1. Unscrew the three screws (1) and remove the adapter (2).
2. Press out the needle bearing (3).
CAUTION!
Risk of injury due to tensioned spiral spring.
Hold the plate (5) when loosening the screws (4).
3. Remove the four screws (3).
4. Remove the plate (5) and the spiral spring.
5. Remove the set screws (6) on both sides.
Tool:
- 2mm; 3mm hex key
- Pressure piece ø 11mm
- Torx T10
- Plastic mallet
1
2
6
4
5
3

BSS 2.0E
6. Disassembly
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2013-07-18
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FEIN retains all rights of disposal, such as copying and circulation.
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Disassembling the gearbox
1. Remove the eccentric shaft (1).
2. Press the needle bearing (2) out of the housing. Tool:
- Plastic mallet
- Punch ø 2.8mm
1
2

BSS 2.0E
6. Disassembly
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2013-07-18
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Disassembling the tool head
1. Remove the circlips (1) on both sides.
2. Remove the washers (2) on both sides.
3. Remove the bolt (3).
4. Remove the cutter blades (4) with the compensating discs.
Tool:
- Circlip pliers
- Arbor press
- Punch ø 5.7mm
1
2
3
4

BSS 2.0E
6. Disassembly
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2013-07-18
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Disassembling the tool head
1. Remove the four screws (1).
2. Remove two cutting jaws (2).
Tool:
- Torx T20
1
2

BSS 2.0E
6. Disassembly
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Disassembling the tool head
1. Unscrew the cylinder head screws (1).
2. Unscrew the set screw (2).
3. Remove the hand guard (3).
Tool:
- 3mm; 2.5mm hex key
3
1
2

BSS 2.0E
6. Disassembly
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Disassembling the eccentric shaft
1. Remove the circlip (1).
2. Using a pull-off tool, remove the gear-wheel (2).
3. Remove the cover (3).
4. Remove the feather key (4).
5. Remove the grooved ball bearings (5) from the eccentric shaft together with the sleeve (6).
Tool:
- Circlip pliers
- 60x50mm puller
- Arbor press
- ø6.8mm pressure piece
4
5
1
2
3
6

BSS 2.0E
7. Assembly
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Assembling the eccentric shaft
1. Press the ball bearing (2) onto the eccentric shaft (1).
2. Press the bush (3) onto the eccentric shaft using the gear-wheel (4).
3. Remove the gear-wheel (4) by hand.
4. Place the feather key (5) onto the eccentric shaft.
5. Slide the cover (6) onto the eccentric shaft, as shown in the image.
6. Press the gear-wheel (5) onto the eccentric shaft.
Tool:
- Arbor press
- Sleeve with ø12mm
interior
2
1
5
6
3
5
4