Dacor Extreme Plus

[pelagic_one]

Rsinger, thanks for information about the Extreme regulators. Could you suggest where to get the silicone sheet and proper thickness? Thanks!

 

[rsingler]

McMaster Carr 8525T41

You'll also need two hand punches:
1/16" for the center rivet hole and a second of whatever diameter the seat is - I can't recall.

Finally the RTV can vary a lot.
I've used this successfully in several scuba applications:
Momentive RTV102

 

[pelagic_one]

Hi Rslinger, I completed the seat repair. Air still leaks despite adjustment. Perhaps it is the tiny o-ring on the seat carrier, do you know the size? It looks bigger or different than an 003. It's coming together. Thanks!

 

[rsingler]

Hi Rslinger, I completed the seat repair. Air still leaks despite adjustment. Perhaps it is the tiny o-ring on the seat carrier, do you know the size? It looks bigger or different than an 003. It's coming together. Thanks!

Drop your pressurized reg in the sink with the faceplate and diaphragm off. Tilt it with the hose end slightly up. If you're leaking due to that oring, you should see tiny bubbles coming from the balance chamber side of the hole in the mouth tube.
Typically these leaks are very tiny.
I'm away from the shop, so I can't measure mine, but if you have a caliper, try a 1mm C/S oring that is ~7% smaller ID than the diameter of the sealing groove at the top of the shaft. A 2-003 is way too fat. I'm guessing 2.5 x 1.0, but that guess is worth what you paid for it.

 

[pelagic_one]

It seems to be a 3x1mm o-ring. I notice the seat carrier does not have constant drag, like it slips. I ordered some replacements. I could not tell much by the bubbles, they all come out from the prong holes.

 

[rsingler]

Gas coming out of the lever holes really points to the interface between volcano and your new seat.
Get a $15-40 USB microscope and look at the volcano under magnification. I'll bet your problem is there.
DM me, and I'll show you how to polish the nick out of the volcano that's causing your leak.