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7820A
Agilent Technologies 7820A User Manual
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287
Agilent 7820A Gas Chromatograph
Maintaining Your GC
Agilent T
echnologies
A
Swagelok Connections
Making Swagelok Connections
288
Using a Swagelok T
ee
292
The gas supply tubing is attached with Swagelok f
ittings. If you
are not familiar with Swagelok connections, review the
f
ollo
wing procedures.
286
288
Table of Contents
Default Chapter
2
Safety Notices
2
Table of Contents
3
1 About Maintaining the GC
10
Overview of Maintenance
10
Tools and Materials Required for Maintenance
11
Maintenance Methods for the 7820A GC
13
Safety Information
15
Finding a Replacement Part Number
16
2 Removing Covers
18
To Remove the Detector Top Cover
18
To Remove the Pneumatics Cover
19
To Remove the Side Cover
20
To Remove the Electronics Cover
21
3 Maintaining Capillary Columns
24
Consumables and Parts for Columns
24
To Install a Capillary Column Hanger
26
To Install Capillary Column Clips
27
To Condition a Capillary Column
28
To Cut a Loop from a Column
31
To Reverse a Column and Bakeout Contaminants
32
4 Maintaining the Split/Splitless Inlet
36
Consumables and Parts for the Split/Splitless Inlet
36
Exploded Parts View of the Split/Splitless Inlet
39
To Install a Capillary Column with the Split/Splitless Inlet
40
To Change the Septum on the Split/Splitless Inlet
44
To Clean the Septum Seat in the Insert Assembly of the Split/Splitless Inlet
46
To Change the Liner and O-Ring on the Split/Splitless Inlet
48
To Replace the Gold Seal on the Split/Splitless Inlet
50
Check for Leaks
51
To Replace the Filter in the Split Vent Line
52
To Clean the Split/Splitless Inlet
55
To Bakeout Contaminants from the Split/Splitless Inlet
57
5 Maintaining the Purged Packed Inlet
59
Consumables and Parts for the Purged Packed Inlet
60
Exploded Parts View of the Purged Packed Inlet
63
To Install a Capillary Column with the Purged Packed Inlet
64
To Change the Septum on the Purged Packed Inlet
68
To Clean the Septum Seat in the Purged Packed Inlet
70
To Install an Adapter on the Purged Packed Inlet
72
To Change the O-Ring on the Purged Packed Inlet
74
To Change the Glass Liner on the Purged Packed Inlet
75
To Install an Insulation Cup on the Purged Packed Inlet
77
To Clean the Purged Packed Inlet
78
To Bakeout Contaminants from the Purged Packed Inlet
80
To Install a Packed Metal Column
81
To Install a Packed Column Adapter on a Detector Fitting
83
To Install a Packed Glass Column
85
To Condition a Packed Column
88
To Install Ferrules on a Packed Metal Column
90
6 Maintaining the Packed Column Inlet
91
Consumables and Parts for the Packed Column Inlet
92
Exploded Parts View of the Packed Column Inlet
94
To Change the Septum on the Packed Column Inlet
95
To Clean the Septum Seat in the Packed Column Inlet
97
To Install an Adapter on the Packed Column Inlet
99
To Change the O-Ring on the Packed Column Inlet
101
To Change the Glass Liner on the Packed Column Inlet
102
To Install an Insulation Cup on the Packed Column Inlet
104
To Clean the Packed Column Inlet
105
To Bakeout Contaminants from the Packed Column Inlet
107
To Install a Packed Metal Column
108
To Install a Packed Column Adapter on a Detector Fitting
110
To Install a Packed Glass Column
112
To Condition a Packed Column
115
To Install Ferrules on a Packed Metal Column
117
7 Maintaining the COC Inlet
120
Consumables and Parts for the COC Inlet
120
Exploded Parts View of the COC Inlet
124
To Install a Capillary Column with the COC Inlet
125
To Check the Needle-To-Column Size on the COC Inlet
128
To Change a Septum on the COC Inlet
130
To Install an Insert on the COC Inlet
132
To Clean the COC Inlet
134
To Replace the 7693A Injector Needle Support Guide
136
To Replace the Needle Support Assembly in a 7683B Injector
137
To Replace a Needle in a Syringe
140
To Replace the Fused Silica Needle in a Syringe for the COC Inlet
141
To Bakeout Contaminants from the COC Inlet
143
8 Maintaining the FID
145
Consumables and Parts for the FID
146
Exploded Parts Views of the FID
149
Selecting an FID Jet
151
To Attach a Capillary Column Adapter on an Adaptable FID
153
To Install a Capillary Column in the FID
155
To Replace the FID Collector Assembly
158
To Replace an FID Jet
161
To Perform Maintenance on the FID Collector Assembly
165
To Check the FID Leakage Current
173
To Check the FID Baseline
174
To Install the FID Insulation Cup Assembly (Adaptable FID Only)
175
To Install the Optional FID PTFE Chimney Insert
177
To Bakeout the FID
178
9 Maintaining the TCD
181
Consumables and Parts for the TCD
182
To Install a Capillary Column in the TCD
184
To Install the Optional TCD Capillary Column Adapter
186
To Install a Capillary Column with the Optional TCD Capillary Column Adapter
187
To Bakeout Contaminants from the TCD
190
10 Maintaining the Μecd
192
Important Safety Information about the Μecd
192
Consumables and Parts for the Μecd
194
Exploded Parts View of the Μecd
196
To Replace the Μecd Fused Silica Indented Mixing Liner and Install the Makeup Gas Adapter
197
To Install a Capillary Column in the Μecd
200
To Install the Insulating Cup for the Μecd
203
To Bakeout the Μecd
205
11 Maintaining the NPD
207
Consumables and Parts for the NPD
208
Exploded Parts View of the NPD
211
Selecting an NPD Jet
212
To Attach a Capillary Column Adapter on an Adaptable NPD
214
To Install a Capillary Column in the NPD
216
To Replace the NPD Bead Assembly
219
To Maintain the NPD Collector, Ceramic Insulators, and Jet
224
To Check the NPD Leakage Current
230
To Bakeout the NPD
231
12 Maintaining the FPD
233
Consumables and Parts for the FPD
234
Exploded Parts View of the FPD
236
To Install a Packed Column Adapter in the FPD
237
To Attach a Capillary Column to the FPD
239
To Change the FPD + Wavelength Filter
241
To Remove the FPD + Cover
244
To Replace the FPD + Ignitor
246
To Install the FPD + Cover
248
Cleaning the FPD + Brazement
249
13 Maintaining the G3435A/G3436A FPD
252
Consumables and Parts for the FPD
252
Exploded Parts View of the FPD
254
To Install a Capillary Column Adapter in the FPD
255
To Attach a Capillary Column to the FPD
257
To Change the FPD Wavelength Filter
259
To Remove the FPD Vent Tube
262
To Replace the FPD Ignitor
264
To Install the FPD Vent Tube and Cover
266
14 Maintaining the PCM
267
Consumables and Parts for the PCM
268
Calibrating the PCM Interface
269
Installing or Replacing Frits in the PCM
270
15 Maintaining a Valve
273
Consumables and Parts for Valves
274
Exploded Parts View of GC Rotary Valves
275
To Replace a Gas Sampling Valve Loop
276
To Align a Rotary Valve Rotor
278
To Replace a Rotary Valve in the Valve Box
279
To Remove the Upper Valve Box
282
To Install the Upper Valve Box
284
A Swagelok Connections
287
Making Swagelok Connections
288
Using a Swagelok Tee
292
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Safety Manual
18 pages
Installation Guide
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Quick Start Guide
30 pages
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Agilent Technologies 7820A Specifications
General
Brand
Agilent Technologies
Model
7820A
Category
Laboratory Equipment
Language
English
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