Retsch DM 400 User Manual
Page 4
Table of contents
4
1
Basic construction .................................................................................................................................. 7
2
Safety instructions and use ................................................................................................................... 9
2.1
Requirements for the user ................................................................................................................ 9
2.2
Intended use ................................................................................................................................... 10
2.2.1
Operating principle ..................................................................................................................... 10
2.3
Duties of the operating company.................................................................................................... 10
2.4
Hazard warnings and symbols used .............................................................................................. 11
2.5
Device safety instructions ............................................................................................................... 15
2.6
Safety equipment ........................................................................................................................... 17
2.7
Danger areas .................................................................................................................................. 18
2.8
Electrical safety .............................................................................................................................. 18
2.8.1
General information.................................................................................................................... 18
2.8.2
Protection against restarting ...................................................................................................... 19
3
Technical data ....................................................................................................................................... 21
3.1
Dimensions ..................................................................................................................................... 21
3.2
Weight ............................................................................................................................................ 21
3.3
Operating noise .............................................................................................................................. 21
3.4
Voltage, power consumption, power input ..................................................................................... 21
3.5
Fuse ................................................................................................................................................ 21
3.6
Material ........................................................................................................................................... 22
3.7
Final fineness ................................................................................................................................. 22
4
Installation ............................................................................................................................................. 23
4.1
Transport ........................................................................................................................................ 23
4.2
Unpacking ....................................................................................................................................... 23
4.3
Positioning ...................................................................................................................................... 24
4.4
Ambient conditions ......................................................................................................................... 25
4.5
Electrical connection ...................................................................................................................... 26
4.5.1
Adjusting the disc mill to the mains network .............................................................................. 26
4.6
Putting into service ......................................................................................................................... 26
4.7
Switching on for the first time / function test ................................................................................... 27
4.7.1
Switching on ............................................................................................................................... 27
4.7.2
Switching off ............................................................................................................................... 27
5
Working with the disc mill .................................................................................................................... 29
5.1
Display and control panel ............................................................................................................... 30
5.2
Menu navigation ............................................................................................................................. 30
5.3
Specifying the zero point ................................................................................................................ 31
5.4
Adjusting the gap width .................................................................................................................. 32
5.5
Reverse operation .......................................................................................................................... 33
5.6
Adjusting the grinding time ............................................................................................................. 34
5.7
Changing the language .................................................................................................................. 35
5.8
Grinding with zirconium oxide grinding discs ................................................................................. 35
5.9
Material feed ................................................................................................................................... 36
5.10
Sample removal.............................................................................................................................. 38
5.11
Final fineness ................................................................................................................................. 38
6
Cleaning ................................................................................................................................................. 39
6.1
Extracting dust after grinding .......................................................................................................... 39
6.2
Grinding chamber ........................................................................................................................... 39
6.3
Housing .......................................................................................................................................... 40
6.4
Cleaning the hopper ....................................................................................................................... 40