What regulator brands can I get my own parts for?

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Do you feel it or hear it?

BTW, we came in 2nd again.:depressed:

Oh well, who needs more of these things anyways.

I notice the difference in air delivery; not so much cracking effort, but maybe relative effortlessness in sustaining the air flow. It's pretty subtle, and honestly there can be as much difference just between two of the balanced as there is between a balanced and unbalanced. I suspect that's due to differences in the levers, maybe some differences in the way the poppet fits in the barrel, or condition of the orifice, or any number of things.

One thing I do like is that the seat wear is quite a bit less with the lighter balanced spring, and it usually seems I can tune the balanced poppets a little more precisely. They're all good, though, and I also suspect that if you could get a new unbalanced spring, it would improve the performance of the unbalanced 109s.
 
Thanks all, I think I will leave them as is. I have too many projects in the fire as it is anyway.
 
Update:

I worked a deal with Couv through pm's. He sent me a gorgeous MK5/109 in trade for a Freedom Plate.
He also enclosed an extra rebuild kit for each component and printed diagrams.
I feel really lucky.

My prayers have been answered and I'm officially indoctrinated into the exclusive and elite DIY group.
 
Update:

I worked a deal with Couv through pm's. He sent me a gorgeous MK5/109 in trade for a Freedom Plate.
He also enclosed an extra rebuild kit for each component and printed diagrams.
I feel really lucky.

My prayers have been answered and I'm officially indoctrinated into the exclusive and elite DIY group.






Nice.
 
Now that you have a Mk5, you'd better head over to the Mk5 retainer group buy as mentioned earlier in this thread. :D
 
Padudle,
In my experience, the Sherwood teflon HP seat is pretty tough and lasts for hundreds of dives. Then it can be reversed and used for hundreds more.

Some years ago on a caribbean island I heard some of the divemasters talking about a "Sherwood tool". When I asked, they showed me the famous item. It is a straighened paper clip held in a pair of pliers, and is used to pop out the HP seat. They use a sewing needle for the LP seat. They also said that when they had used both sides of the seats, and no new ones were available, they rubbed the seat on fine abrasive cloth to remove the groove. I have never used the abrasive cloth, but the Sherwood tool does work.
 
Padudle,
In my experience, the Sherwood teflon HP seat is pretty tough and lasts for hundreds of dives. Then it can be reversed and used for hundreds more.

Some years ago on a caribbean island I heard some of the divemasters talking about a "Sherwood tool". When I asked, they showed me the famous item. It is a straighened paper clip held in a pair of pliers, and is used to pop out the HP seat. They use a sewing needle for the LP seat. They also said that when they had used both sides of the seats, and no new ones were available, they rubbed the seat on fine abrasive cloth to remove the groove. I have never used the abrasive cloth, but the Sherwood tool does work.

That's funny! I was always told that a "Sherwood tool" was an extra large crescent wrench that is used to loosen Sherwood tank valves.
 
That's funny! I was always told that a "Sherwood tool" was an extra large crescent wrench that is used to loosen Sherwood tank valves.

Sounds like it must be the same as the "Scubapro tool" for their unbalanced pistons except it is probably half the price.:D

The Scubatools pick set (blue plastic handles) includes a blunt tip straigh pick that does the job nicely.
 
Just did a seat on a 45 year plus, balanced flow through reg, seat, not much bigger than a piston head, with 1000 then 1500 wet on a bit of gauge steel.

Holding it, and square, was difficult and I twisted often changing my grip
not rubbing sideways.

Did the rounded brass piston as well. The sealing edge is on the inside.

Yuck.

Beauuuutiful.
 

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