Buchi B-820, Manual

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BÜCHI Fat Determination B-820/B-821 Contents
Contents
5 Operation 28
5.1 Control, operating and display elements 28
5.2 Operating the unit 31
5.2.1 User configuration 34
5.2.2 Printer configuration 35
5.2.3 System configuration 36
5.2.4 Autosampler configuration 37
5.2.5 Preheating/Separation column conditioning 38
5.2.6 Gas flow rate setup 39
5.2.7 Sample weight and mode adjustment 43
5.2.8 Determination 45
5.2.9 Data output 49
5.2.10 Statistics 51
5.2.11 Clearing data 54
6 Maintenance 55
6.1 Control checks 55
6.2 Replacing the septum in the injection head 55
6.3 Cleaning the FID 56
6.4 Replacing the ignition coil 56
6.5 Checking the formic acid 57
6.6 Installing a new separation column 57
6.7 Changing the printer paper roll 57
6.8 Changing the ribbon 58
6.9 Checking for fractures and cracks 58
6.10 Customer service 58
6.11 Maintenance of the Autosampler 59
6.11.1 General 59
6.11.2 Syringe and syringe needle 59
6.11.3 Replacing the main power fuse 59
7 Taking out of operation 60
7.1 Switching off the unit 60
7.2 Storage/Transport 60
7.3 Disposal 60
8 Replacement parts 61
9 Appendix 62
9.1 Technical data 62
9.2 Error messages 63
9.3 Materials used 64
9.4 FCC requirements (for USA and Canada) 65
9.5 Declaration of conformity 66
1 Scope of delivery 3
2 Safety 7
2.1 Symbols 7
2.2 Requirements for the customer 7
2.3 Proper use 7
2.4 Improper use 8
2.5 General hazards 8
2.6 Safety measures 9
2.7 Handling of gas cylinders in the laboratory 10
2.8 Modifications 10
2.9 Responsibility of the operator 10
3 Function 11
3.1 Operational principles 12
3.2 System description Autosampler B-821 14
3.2.1 Introduction 14
3.2.2 Carousel support 14
3.2.3 Carousel 14
3.2.4 Turntable 14
4 Putting into operation 15
4.1 Accessories 15
4.2 Location of unit 15
4.3 Power connections 16
4.4 Connecting periphery devices 16
4.5 Filling the formic acid 18
4.6 Gas connections 18
4.7 Checking supply lines for leaks 20
4.8 Installing the separation column 21
4.9 Setting the correct gas flow rate 22
4.10 FID ignition 22
4.11 Installation of Autosampler B-821 22
4.11.1 Unpacking and inspection 22
4.11.2 Retrofitting a manual basic system with
an Autosampler
23
4.11.3 Installing the mounting plate 23
4.11.4 Mounting the Autosampler on the B-820 unit 23
4.11.5 Removing the transportation belt 23
4.11.6 Installing the syringe/needle assembly 24
4.11.7 Connecting the signal cable to the B-820 unit 24
4.11.8 Connecting power to the Autosampler B-821 24
4.11.9 Aligning the syringe needle with the injection
head of the B-820 unit
25
4.11.10 Connecting the pneumatics to the Autosampler 26
4.11.11 Installing the solvent reservoir bracket
26
4.11.12 Routing and securing the solvent lines and
the waste line 26
en, Version H (66 pages) Order no.
B-820/B-821 Instructions 96571