Fein WSB 20-180, Repair Instructions

Page: 2 / 73

Grinding
34130529060
Printed in Germany
Contents
C-SC_CSSM Version 1.0 10.03.2021 Page 2 of 73
All rights reserved by FEIN, especially in case of property rights applications.
FEIN retains all rights of disposal, such as copying and circulation.
Contents
1 Models described .............................................................................................................................. 4
2 Technical data ................................................................................................................................... 5
3 Symbols used .................................................................................................................................... 6
4 Notes and requirements .................................................................................................................... 7
5 Safety instructions ............................................................................................................................. 8
6 Tools, lubricants and auxiliary substances required ......................................................................... 10
6.1 Standard tools .......................................................................................................................... 10
6.2 Special tools ............................................................................................................................. 10
6.3 Lubricants and auxiliary substances required ........................................................................... 11
7 Test and diagnostics options ........................................................................................................... 12
8 Disassembly .................................................................................................................................... 13
8.1 Removing the handle and safety hood ..................................................................................... 13
8.2 Disassembling the housing ....................................................................................................... 14
8.2.1 Removing the handle ........................................................................................................ 14
8.2.2 Removing the network cable ............................................................................................. 15
8.2.3 Disassembling the switch WSG 20/25 ............................................................................... 16
8.2.4 Disassembling the switch WSB 20/25 ............................................................................... 18
8.2.5 Removing the carbon brushes ........................................................................................... 19
8.2.6 Removing the electronics WSG 20/25 ............................................................................... 20
8.2.7 Removing the electronics WSB 20/25 ............................................................................... 21
8.3 Disassembling the gearbox housing WSG 20/25-180/230 ........................................................ 22
8.3.1 Removing the threaded flange .......................................................................................... 22
8.3.2 Removing the bearing plate ............................................................................................... 23
8.3.3 Disassembling the bearing plate ........................................................................................ 24
8.3.4 Removing the gearbox housing ......................................................................................... 26
8.3.5 Removing the armature ..................................................................................................... 28
8.3.6 Removing the housing components .................................................................................. 29
8.4 Disassembling the gearbox housing WSB 20/25-180/230 ........................................................ 31
8.4.1 Remove the clamping unit ................................................................................................. 31
8.4.2 Removing the bearing plate ............................................................................................... 32
8.4.3 Disassembling the bearing plate ........................................................................................ 33
8.4.4 Disassembling the shaft .................................................................................................... 35
8.4.5 Removing the gearbox housing ......................................................................................... 36