Fein WSG 8-115 A Setup guide

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
Repair instructions
C-SC_CSSM
Version 1.1
2017-03-03
All rights reserved by FEIN, especially in case of industrial rights registration.
FEIN retains all rights of disposal, such as copying and circulation.
Page 1of 53

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
Contents
C-SC_CSSM
Version 1.1
2017-03-03
All rights reserved by FEIN, especially in case of industrial rights registration.
FEIN retains all rights of disposal, such as copying and circulation.
Page 2of 53
1. Models described
2. Technical data
3. Notes and requirements
4. Tools required
5. Lubricants and auxiliary substances required
6. Disassembly
7. Assembly
8. Connection diagram

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
1. Models described
C-SC_CSSM
Version 1.1
2017-03-03
All rights reserved by FEIN, especially in case of industrial rights registration.
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 number
WSG 8-115 (A) 7 222 01 .. .. .
WSG 8-125 (A) 7 222 02 .. .. .
WSG 11-125 (A) 7 222 03 .. .. .
WSG 11-150 (A) 7 222 04 .. .. .
WSG 12-125P (A) 7 222 05 .. .. .
WSG 17-125P 7 222 07 .. .. .
WSG 17-125PQ 7 222 08 .. .. .
WSG 17-125PS 7 222 09 .. .. .
WSG 17-125PSQ 7 222 10 .. .. .
WSG 17-150P 7 222 11 .. .. .
WSG 17-150PQ 7 222 12 .. .. .
WSG 17-70Inox 7 222 13 .. .. .
WSG 15-125P (A) 7 222 24 .. .. .

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
1. Models described
C-SC_CSSM
Version 1.1
2017-03-03
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FEIN retains all rights of disposal, such as copying and circulation.
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Model Order number
WSG 8-115 (B) 7 222 28 .. .. .
WSG 8-125 (B) 7 222 29 .. .. .
WSG 11-125 (B) 7 222 30 .. .. .

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
2. Technical data
C-SC_CSSM
Version 1.1
2017-03-03
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FEIN retains all rights of disposal, such as copying and circulation.
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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

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
3. Notes and requirements
C-SC_CSSM
Version 1.1
2017-03-03
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FEIN retains all rights of disposal, such as copying and circulation.
Page 6of 53
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 provisions applicable in the relevant country must be observed!

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
4. Tools required
C-SC_CSSM
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2017-03-03
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FEIN retains all rights of disposal, such as copying and circulation.
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Standard tools Special tools
Plastic hammer Drawing-off socket cap 6 41 04 150 00 8
Slotted screwdriver (small) Chuck cone, 19 mm 6 41 07 019 00 7
Torx screwdriver T15; T20 Chuck cone, 26 mm 6 41 07 026 00 0
Punch Drawing-off plate 6 41 02 069 00 7
Arbor press Pipe 6 41 01 002 00 4
Ball bearing support 19 mm; 26 mm Assembly aid 6 41 22 121 01 0
Sleeves
•35 mm inner diameter
•14 mm inner diameter
19 mm outer diameter
•30 mm inner diameter
42 mm outer diameter
•15 mm inner diameter
20 mm outer diameter
•15 mm inner diameter
27 mm outer diameter
Pressure piece 6 41 22 003 00 0
4x round material Diameter 20 mm;
length = 60 mm

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
5. Lubricants and auxiliary substances required
C-SC_CSSM
Version 1.1
2017-03-03
All rights reserved by FEIN, especially in case of industrial rights registration.
FEIN retains all rights of disposal, such as copying and circulation.
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Lubricants
WSG 8-115 (A); WSG 8-125 (A); WSG 11-125 (A); WSG 11-150 (A); WSG 12-125P (A); WSG 17-125P (A)
Grease 0 40 101 01 00 4 21 g Gearbox
WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
Grease 0 40 101 01 00 4 29 g Gearbox
Auxiliary substances
Loctite 573 Compensating disc

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
6. Disassembly
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2017-03-03
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FEIN retains all rights of disposal, such as copying and circulation.
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Disassembling housing cover
1. Unscrew two screws (1) and take off bottom part of cover (2). Tools:
- Torx T15
1
2

WSG 8-115 (A)/(B); WSG 8-125 (A)/(B); WSG 11-125 (A)/(B); WSG 11-150 (A)/(B); WSG 12-
125P (A)/(B); WSG 17-125P; WSG 17-125PS; WSG 17-150P; WSG 17-70Inox
6. Disassembly
C-SC_CSSM
Version 1.1
2017-03-03
All rights reserved by FEIN, especially in case of industrial rights registration.
FEIN retains all rights of disposal, such as copying and circulation.
Page 10 of 53
Speedy mains cable replacement
1. Unscrew screw (1) and remove cable clamp (2).
2. Pull off cover (3).
3. Slide hook (4) into opening (5).
4. Turn hook and take out cable (6).
5. Turn hook and take out cable (7).
6. Remove cable (8) with plug
Tools:
- Torx T15
- Assembly aid
3
4
6
7
1
2
8
5