Agilent Technologies G4319A Installation Manual Download Page 1

Agilent Technologies

TCD-to-FID Series Connection on a 
6820 GC, Accessory G4319A

Installation Guide

The TCD-to-FID Series Connector connects output flow from a 
Thermal Conductivity Detector (TCD) to the column inlet of a 
Flame Ionization Detector (FID) to perform a second analysis of 
the same injected sample. Before following this procedure, refer 
to safety information at the end of this document.

Both a TCD and a FID are required to use this accessory. If 
an ECD is present, or in a dual FID or TCD situation, the 
unneeded detector must be removed and replaced. To 
achieve a standard factory configuration, the TCD must be 
located in the 

front

 detector position.

If you are installing a new FID at this time, refer to its 
installation document.

If you are installing a new TCD at this time, it is important to 
read this document before doing so. Instructions here modify 
some TCD installation steps described in its installation 
document.

Complete TCD hardware installation through all wiring 
connections. Then, when ready to insert the TCD block 
assembly into the oven, see 

“Adjusting Vent Tubing and 

Reinstalling the TCD Block"

on page 6. 

Do not restore power and gases to the GC, or test its 
detectors, until after the TCD-to-FID series connector is 
installed.

≾ࠊো

Summary of Contents for G4319A

Page 1: ...ector must be removed and replaced To achieve a standard factory configuration the TCD must be located in the front detector position If you are installing a new FID at this time refer to its installa...

Page 2: ...or assembly Swage nuts and ferrules Tools Electrostatic protection such as a grounded wrist strap T 20 Torx screwdriver 7 16 inch wrench Steps 1 Preparing the GC 2 Raising the TCD Block 3 Adjusting Ve...

Page 3: ...and then sliding the cover to the left to free its right hinge pin Perform this procedure only if necessary to add a new detector or to remove and replace an existing detector Remove the panels indic...

Page 4: ...off 3 Remove the back panel by removing two screws at its bottom edge loosening two screws at its top edge and the lifting off the two top screws 4 Finally remove the rear top cover by removing four s...

Page 5: ...ion Guide TCD to FID Series Connection 5 3 Cap the vent tube at the top of the detector Thermal cover Insulation Delta PRT sensor Vent tube Heater and PRT Vent tube support Retaining screw Detector ba...

Page 6: ...installed into the top of the oven remove the retaining screw securing the vent tube support and remove the support 2 Carefully bend the vent tube downwards to be alongside the detector column make up...

Page 7: ...to pack around the bottom and sides of the detector The goal is to fill all voids around the detector body as it is placed into the cavity 6 Remove caps from the detector base and from the vent tube...

Page 8: ...t and Vespel ferrule to install the 1 4 to 1 8 inch adapter into the FID 3 Again following proper swaging procedures use the 1 8 inch brass tubing nut back ferrule and front ferrule to connect the TCD...

Page 9: ...tion Guide TCD to FID Series Connection 9 4 Restore gas supplies and following leak test procedures described in the Maintenance and Troubleshooting manual check for leaks particularly at all new conn...

Page 10: ...hai 200131 P R China Safety Notices CAUTION A CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could resu...

Reviews: