Location: Leonardtown, MD
Posts: 9,006
My VIN: 03572
Looking closely at my primary pressure regulator I see there is a third o-ring (inside the "nut cap"). It looks like you would need to remove a C clip on the needle side and then remove the cap on the nut side to replace that o-ring. I've never done that o-ring replacement. Have any of you replace that o-ring yet?
Location: Leonardtown, MD
Posts: 9,006
My VIN: 03572
I checked if I could take that end cap off (4mm allen cap) and it won't come off. I would think you would have to use heat to get it removed but that would damage that O-ring and maybe the spring so I decided not to chance it.
Location: North GA
Posts: 6,177
Club(s): (SEDOC) (DCUK)
A little late, but you can see how it is assembled here:
https://dmctalk.org/showthread.php?1...l=1#post262272
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Dave M vin 03572
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