chemwipe,
You can remove the PID and use the flow controller from that for the ECD. I would cut the lines to the PID/ELCD about 1/2 way on the top plate and then use one of them for the make-up gas for the ECD. If you are using the purged anode, the other line and flow controller could be used for that otherwise cap it. Obviously, you also need to swap the cards as well but the PID should be using a standard FID card so the ECD card should be straight forward swap. If you need more info, please re-post but based on what I have see you do so far I should think it is within your ability. Remember to vent to a hood since the ECD in non-destructive.
Out of curiousity, what are you planning to use the ECD for? I am interested in ECD applications since I am working on my own version of one (non-radioactive.)
Best regards.
AICMM-
I'm going to use the ECD for PCB screens. I need another working GC.
I have an HP 5890 with an ECD and EPC - pressure problems made this instrument inoperable. Trust me, I've tried everything.
Changed main board
Changed EPC board
Changed proportional control valve
Cleaned line going into solenoid valve with solvent
Changed line after it broke during cleaning
Replaced solenoid valve after the prongs fell off
Replaced septa purge regulator
Leak checked all connections
The 5890 with the FID/PID is a spare instrument in our "graveyard" - thought I'd give it a try by installing an ECD in it.
but based on what I have see you do so far I should think it is within your ability.
By the way, thanks! I still consider myself a rookie at this. Where I used to work, anything more than trimming columns and cleaning injection ports meant we had to call a tech service company.
I'll keep you posted.
John