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Contents
1 General ........................................................... 8
1.1 Symbol legend ...................................................................8
1.2 Information about the manual .............................................10
1.3 Liability and warranty .......................................................10
1.4 Copyright ........................................................................12
1.5 Warranty notice ...............................................................12
1.6 Spare parts ......................................................................12
1.7 Disposal ..........................................................................14
2 Safety ........................................................... 14
2.1 Intended use ....................................................................16
2.2 Manual contents ...............................................................16
2.3 Making changes and modifications to the machine ...............18
2.4 Responsibilities of the operator ...........................................18
2.5 Personnel requirements ......................................................20
2.6 Work safety .....................................................................20
2.7 Personal protective equipment.............................................22
2.8 Other risks .......................................................................22
2.9 Machine hazards ..............................................................24
3 Declaration of Conformity .............................. 26
4 Technical specifications ................................... 28
4.1 Dimensions and weight .....................................................28
4.2 Drive motor ......................................................................28
4.3 Data plate .......................................................................28
4.4 Operation and storage conditions .......................................30
4.5 Noise emission .................................................................30
5 Transport, packaging and storage .................. 32
5.1 Safety instructions .............................................................32
5.2 Transport inspection ..........................................................32
5.3 Packaging ........................................................................34
5.4 Storage ...........................................................................34
6 Setup and installation .................................... 36
6.1 Safety instructions .............................................................36
6.2 Setup ..............................................................................36
6.3 Assembly .........................................................................38
Remove the transport lock .............................................38
Mount the stone wheel .................................................38
Mount the water tank ...................................................40
Support arm and accessories ........................................40
7 Operation ..................................................... 44
7.1 Safety instructions .............................................................44
7.2 Making adjustments and preparations ......................................46
Stone wheel dressing ...................................................46
Sharpening jig setup ...................................................46
7.3 Working techniques ................................................................48
Tool grinding ..............................................................48
Tool honing ................................................................48
Maintenance and inspection ........................... 50
Tool grinding ....................................................................50
Changing the stone wheel .................................................50
Changing the honing wheel ..............................................52
8.4 Cleaning the machine .......................................................52
8.5
Inspecting the brushes .......................................................52
8.6 Faults, causes and repairs ..................................................54
8.7
Available accessories ........................................................54
10 Annex: Wiring diagram / Spare parts .......... 56
10.1 Spare part order .............................................................56
10.3 Spare parts ....................................................................58
10.4 Wiring diagram .............................................................59
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NS 250