Name: Agilent Technologies 6850 Series
Brand: Agilent Technologies
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Oven

6850

Released: April 2004 6850 Series Gas Chromatograph Service Procedures 229

Part identification

Cryo chassis

Cryo cover

Tubing coil

Coil bracket

Restrictor tube

Nuts

Screws

Filter

Connector

Vespel ferrules

Flanged column hanger

Mounting screws and washers

Flange

Introduction2
- About this manual3
- About this edition3
- Safety information3
- Tools and test equipment8
Covers9
Replacement parts10
- External covers10
- Internal covers12
- Detector electronic cover and column hanger14
- Connector cover plates (in lid)15
Replacement procedures16
- Back cover16
- Raising the lid to the service position17
- Electronics cover18
- Front cover (with keyboard and display)20
  - To remove the front cover:21
  - To install the front cover:22
- Lid top cover23
Inlets and valves25
Replacement parts26
- Split/Splitless inlet26
  - Split/Splitless inlet flow module30
- Purged packed inlet31
- Cool on-column inlet33
  - Cool on-column EPC pneumatic module35
- Programmable temperature vaporization inlet (PTV)36
- Inlet flow modules41
  - Purged packed inlet41
- Any inlet flow module42
- Fans44
- Valves45
Replacement Procedures60
- Injection port cooling fan60
- Split/Splitless inlet61
  - Inlet insert weldment61
  - Shell weldment63
- Purged packed inlet service66
- Cool on-column inlet77
- PTV inlet89
- Diagnostics114
- Leak testing the PTV module only119
- Valves126
Detectors139
Replacement parts140
- Thermal conductivity detector140
- Flame ionization detector142
- Microcell electron capture detector145
- Flame photometric detector147
- Auxiliary flow block155
- Flow module156
- Electronics board157
Replacement procedures158
- Thermal conductivity detector158
  - TCD cell158
- Microcell electron capture detector161
- Flame photometric detector172
Oven207
Replacement parts208
- Fans208
- Heater duct, flap, and flap motor209
- Oven fan motor and heater shroud210
- Column hanger and oven fan blade211
Replacement procedures212
- Oven flap/motor212
  - To remove the oven flap and motor212
  - To install the oven flap and motor215
- Oven heater shroud217
  - To remove the oven heater shroud217
  - To install the oven heater shroud219
- Oven motor and fan220
  - To remove the oven motor and fan220
  - To install the oven fan motor and fan223
- Oven intake fan223
- Injection port cooling fan225
- CO2 cryogenic cooling kit227
Electronics237
Replacement Parts238
- Main board (G2630-60010)238
- Main board (G2630-66015)239
- AC board (G2630-60040)240
- AC board (G2630-60045)241
- Display board242
- Transformer and AC power switch243
- Cables244
Replacement procedures245
- Main boards245
  - To remove the main board245
  - To install the main board247
- AC boards249
  - To remove the AC board assembly249
  - To install the AC board252
- Keyboard/Display254
- Transformer255
  - Replace the transformer and pad255
G2629A Control Module259
- A typical SERVICE method260
- Update firmware260
- Change GC serial number262
- Change oven type262
Manuals and other parts264
Troubleshooting265
Inlets266
- Split/Splitless inlet266
  - Actual pressure is higher than the setpoint (GC is “not ready”)266
  - Cannot achieve setpoint pressure275
- Purged packed inlet291
- Programmable temperature vaporization inlet292
- Cool on-column inlet293
Detectors294
- Flame ionization detector294
- Thermal conductivity detector308
  - Ringing on tail of TCD peaks308
- Flame photometric detector315
- Microcell electron capture detector319
Other320
- Electronic failures320
  - Blown fuses (dead instrument)320
  - Root Cause(s)325
- Valves331

Brand	Agilent Technologies
Model	6850 Series
Category	Laboratory Equipment
Language	English

Agilent Technologies 6850 Series User Manual

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Agilent Technologies 6850 Series Specifications

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