- Pump Markers
- - Cup Seal break-in
|ironnerd88 ||12-05-2012 10:31 AM |
Cup Seal break-in
My old nelson pump has a leak down the barrel, I know it's the cup seal. Mine is new, one of the nicer units made from brass and having a plastic insert on the sealing surface. It's the first new seal I have added in about 15 years on this gun, so I may have forgotten a step somewhere.
Anybody have an idea on how long it takes to wear onna these things in? Or is there a method for "lapping" the seal into shape quickly?
It's a pretty minor leak, but is still annoying.
|ironnerd88 ||12-07-2012 06:06 PM |
Uhmmm... fixed... looks like it was just a bad seal - I put on a cheap plastic seal and was rewarded with silence.
|TouchofGrey ||12-08-2012 07:27 PM |
|ironnerd88 ||12-08-2012 08:25 PM |
Now I just need to get the springs right - see... this is what I get for messing with the dang thing. It WAS working just fine, then I HAD to mess with it.
|toymachine ||12-09-2012 02:06 AM |
In terms of getting springs, are you gonna go with the Maddman kit? Or do you have secret nelson specific spring supplier out there you've been keeping from us (cci doesn't count)?!?
|ironnerd88 ||12-09-2012 09:51 AM |
I have a set of Nelson springs - I WAS missing a couple, but I got a full set from BACCI.
But there are spring companies out there that will make the spring you specify, if you ask nicely and can afford them... They are just music-wire, but of differing wire diameters and coils-per-inch, and since Bacci had them, I didn't feel the need to go down the road of re-inventing the nelson spring.
I do, however, have a CCI Phantom power tube in the old Reb - so who knows if my spring setup will work on any other guns. I mat have a phantom PT, but I have a much heavier hammer, so this should be mostly interesting to get set up.
|toymachine ||12-09-2012 03:17 PM |
Nice! I always forget to look at nelson parts on dan's site, but I'm going to correct that now :)
|ironnerd88 ||12-09-2012 03:54 PM |
Hide your wallet first!
|toymachine ||12-09-2012 07:47 PM |
lol I know, I already learned that the hard way (looking for a lone star bottom line adapter, 5$ you know? end up getting that and a nice AGD CA-II for 130 or so more... :rolleyes: regret? no waaaay) :D
|heinous ||12-11-2012 09:59 PM |
original nelson seals are solid brass. if it has plastic insert it's probably from elsewhere, and those do unscrew (they're multiple pieces)
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