Metrohm 792 Basic IC User Manual Page 158
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5.2 Maintenance and servicing
792 Basic IC
149
6 Mounting the pump head
x
Reassemble the components of the pump head
34
3434
34
as shown
in
Fig. 16
. Tighten the screw
81
8181
81
by hand. First screw in piston
cartridge
85
8585
85
manually until the stop is reached and then use
a wrench to turn it through a further 15°. Firmly tighten the two
valve screw holders
92
9292
92
with a wrench.
x
Reattach pump head
34
3434
34
to the pump with the help of the 4
fixing screws
33
3333
33
. Firmly tighten them with the 6.2621.030 Al-
len key.
To ensure that the pump head is not positioned wrongly, the holes at
the rear for the clamping bolts have different depths, i.e. 1 clamping
bolt is longer than the rest. The deepest hole must naturally accom-
modate the longest bolt. If this is not the case, the pump will not
function properly.
x
Screw connection capillary
35
3535
35
to pump head
34
3434
34
(see
Fig. 3
).
x
Connect aspirating tubing to aspirating capillary
32
3232
32
at the
pump head
34
3434
34
.
Inlet valve Outlet valve
6.2824.090 6.2824.080
95
9595
95
96
9696
96
97
9797
97
98
9898
98
99
9999
99
100
100100
100
101
101101
101
95
9595
95
96
9696
96
97
9797
97
100
100100
100
99
9999
99
98
9898
98
101
101101
101
Fig. 18
: Components of inlet valve
90 and
outlet valve
91
95
9595
95 Valve housing
96
9696
96 Sealing ring
(black)
97
9797
97
Sleeve
98
9898
98
Sapphire sleeve
The bright side must point towards
the sapphire sphere
99
9999
99
Sapphire sphere
100
100100
100
Ceramic holder for sapphire
sphere
The large recess must point in the
direction of the sapphire sphere
101
101101
101
Seal
The larger opening must point
outwards
- BasicBasic 1
- Table of contents 2
- Notes – Maintenance – Faults 5
- Appendix 6
- List of figures 7
- 1 Introduction 10
- 1 Introduction 15
- 1.733.0110 Detector block) 15
- 1.3.1 Organization 17
- SYSTEM STATE 18
- <OK> 18
- 1.4 Safety notes 19
- 2 Installation 20
- 2.2.1 Packaging 22
- 2.2.2 Check 22
- 2.2.3 Location 22
- 2.3.5 Filter unit PEEK 25
- 2.4 Mains connection 26
- 2.4.2 Fuses 27
- 2.5 Connection to the PC 28
- 2.5.3 Basic settings 29
- Hardware 31
- Hardware settings 31
- Cell constant 31
- 2.6 High-pressure pump 32
- File / Open / System 34
- Default.smt 34
- <Open> 34
- 2 mL/min 35
- <Send to unit> 35
- Injector 38
- Flow rate 39
- <On> 39
- <Off> 39
- 2.8 Suppressor module 44
- 2.9 Putting into operation 50
- Suppressed anion 51
- Prep MSM.smt 51
- Startup determination 52
- 2 Installation 53
- 3 Operating tutorial 54
- 3.2 Preparations 55
- 3.3 Calibration 56
- <Concentrations> 61
- <Calibrate> 61
- 3.4 Sample determination 63
- 4 Operation 66
- 4.1.2 Glossary 67
- 4.1.4 Main window elements 69
- 4.1.9 Help 72
- 4.2.1 Fonts 73
- 4.2.2 Security system 73
- 4.2.3 Global settings 74
- 4.2.4 COM port 76
- 4.3 Systems 77
- 4.3.3 System functions 78
- 4.3.4 PC icon 80
- 4.3.5 Watch window 80
- 4.3.6 Instrument icon 81
- 4.3.7 System state window 87
- 4.3 Systems 88
- Error messages 88
- 4.4 Methods 89
- Data Log 95
- <Add new> 95
- New comment 95
- 4.4.3 Method setup 96
- 4.4.4 Integration 99
- 792 Basic IC 100
- 792 Basic IC 101
- Component table 103
- Components table 105
- 4.4.6 Report output 115
- 4.5 Chromatograms 127
- 4.5.4 Peak editor 136
- 4.5.5 Printing 138
- 4.6 Batch reprocessing 141
- REPROCESS / 145
- <Merge> 145
- Appearance 145
- File / Save / Chroma 145
- 5.1.1 Separating columns 148
- 5.1.2 High-pressure pump 149
- 5.1.3 Eluents 150
- 5.1.4 Peristaltic pump 150
- 5.1.5 Suppressor module 151
- 5.1.6 Connections 151
- 5.2.1 General information 152
- 5.2.2 Passivation 152
- 5.2.3 Recycling 153
- 5.2.4 Shutdown 153
- 90 and 158
- 5.3 Faults and malfunctions 165
- 6 Appendix 168
- 6.1.3 Injection valve 169
- 6.1.4 High-pressure pump 169
- 6.1.5 Peristaltic pump 170
- 6.1.6 Suppressor module 170
- 6.1.7 RS232 interface 170
- 6.1.8 Mains connection 171
- 6.1.9 Safety specifications 171
- 6.1.11 Ambient temperature 172
- 6.1.12 Housing 172
- 6.2 Standard equipment 173
- 6.3 Optional accessories 176
- 6.3 Optional accessories 178
- 6 Appendix 179
- 6.4 Warranty and conformity 185
- EU Declaration of Conformity 186
- 6.5 Index 188
- 6.5 Index 190
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