Retsch Cryomill User Manual
Page 4
4
5.7
Programs ......................................................................................................................................... 38
5.7.1
Grinding without program ............................................................................................................ 38
5.7.2
Grinding with program ................................................................................................................. 39
5.7.2.1
Selection of a program ......................................................................................................... 39
5.7.2.2
Display of the program grinding parameters ....................................................................... 39
5.7.2.3
Create/change a program .................................................................................................... 39
5.7.2.4
Delete program .................................................................................................................... 40
5.8
Setting grinding cycles ..................................................................................................................... 40
5.9
Setting the precooling time .............................................................................................................. 41
5.9.1
Precooling with definable precooling time ................................................................................... 41
5.9.2
Automatic precooling ................................................................................................................... 41
5.10
Setting the grinding time .................................................................................................................. 42
5.11
Setting the duration of intermediate cooling .................................................................................... 42
5.12
Setting the grinding frequency ......................................................................................................... 43
5.13
Starting the grinding process ........................................................................................................... 43
5.14
Interrupting and continuing the grinding process ............................................................................ 44
5.14.1
Pausing grinding ...................................................................................................................... 44
5.14.2
Cancelling grinding .................................................................................................................. 44
5.15
Stopping the grinding process ......................................................................................................... 44
5.16
Operating hours display ................................................................................................................... 45
5.17
Operating software display .............................................................................................................. 46
5.18
Replacing the machine fuses........................................................................................................... 46
6
Working instructions............................................................................................................................ 48
6.1
General ............................................................................................................................................ 48
6.2
The grinding process ....................................................................................................................... 48
6.3
Quantities of sample material and feed sizes .................................................................................. 48
6.4
Working instructions ........................................................................................................................ 49
7
Safety functions and fault display ...................................................................................................... 50
7.1
Fault messages ............................................................................................................................... 50
8
Cleaning, wear and service ................................................................................................................. 51
8.1
Cleaning ........................................................................................................................................... 51
8.2
Wear ................................................................................................................................................ 51
8.3
Wearing parts .................................................................................................................................. 51
8.4
Service ............................................................................................................................................. 51
8.5
Checks ............................................................................................................................................. 52
9
Safety and occupational health instructions ..................................................................................... 52
9.1
General ............................................................................................................................................ 52
9.2
Safety instructions on the handling of liquid nitrogen ...................................................................... 54
9.3
Oxygen deficiency ........................................................................................................................... 54