[PSUBS-MAILIST] Fwd: Help

[Alec Smyth]

Or just turn a plastic cylindrical spacer and epoxy it in?


On Wed, Sep 11, 2013 at 8:30 AM, hank pronk <hanker_20032000 at yahoo.ca>wrote:

> Scott,
> Can you weld a plug in the seat opening and then machine it to the right
> size.  You can also lay some weld in the opening and machine that to the
> right size.  It sucks but it is a quick fix.
> Hank
>
>   *From:* swaters <swaters at waters-ks.com>
>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Tuesday, September 10, 2013 8:10:11 PM
>
> *Subject:* Re: [PSUBS-MAILIST] Fwd: Help
>
>  Jon,
> I currently have thre of those US seals. The problem is it is a OD of 1.5"
> and is to small to fit the collar. I am thinking of some how building a
> insert that will make the US seal fit. Other than that, I believe I am out
> of options.
> Thanks,
> Scott Waters
>
>
>
>
>  Sent from my U.S. Cellular© Smartphone
>
> Jon Wallace <jonw at psubs.org> wrote:
>
> Yes, that one plan in particular is pretty nasty.  It's a Crane 8B3, not
> 883.  The exact wording is as follows:
>
> Crane 8B3 Seal (see Crane DWG CF-SP-44204)
> or US Seal PS 309 (see DWG K350-025-3)
>
> The 600 required the same seal (8B3) but they are not manufactured
> anymore.  I contacted Crane back when I removed the K600 motors because it
> was pretty obvious they were going to have to be replaced and they were
> more than willing to manufacture an exact duplicate for $1800 per seal.
> The replacement is an 8-1 which was going to cost $1000 per seal.  That's
> one reason I scrapped the existing motor configuration and decided on fixed
> minn-kota thrusters.  I purchased four 101# thrust minn-kotas for less than
> the price of one Crane mechanical seal.
>
> You have another option with the K350 however, US Seal PS-309 (150psi) and
> they are cheap, between $50-100.
> http://www.*usseal*mfg.com/pdfs/*US*_*Seal*_Mfg_Catalog_2012.pdf
> I couldn't use the 309 because I needed a rating of 300+ psi but the 309
> at 150psi will theoretically get you close to max dive depth.
>
> Jon
>
>
> On 9/10/2013 2:33 PM, swaters wrote:
>
> It is a type 883, .875 shaft seal -J CRANE Packing Co.
> I think that is right but the kitteredge blue prints are so hard to read
> after being copied over and over.
> Thanks,
> Scott Waters
>
>
>
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