The one I'm using is a bit narrower, if I remember, than the one for the
stock hub.
WST
----- Original Message -----
From: Gerard Chateauvieux <pixelsmith@gerardsgarage.com>
To: Larry & Sandi Miller <millerls@ado13.com>; Wm. Severin Thompson
<wsthompson@thicko.com>; Thickos <team-thicko@autox.team.net>;
<spridgets@autox.team.net>; vintage race list <vintage-race@autox.team.net>
Sent: Sunday, October 03, 1999 8:38 PM
Subject: Re: Sprite rear hub seal solution tech tip
> Larry,
>
> I have a number for a Redi-Sleeve from National Oil seal of 99174. I'm not
> positive, but I think the number that WST gave would be OK too. I know
> that the other number 99174 is correct for stock. You should be able to
> find it locally, at least I can in SF.
>
> Gerard
>
> At 6:57 PM -0700 10/2/99, Larry & Sandi Miller wrote:
> >WST
> >
> >Thanks for the info. Would the Speedi-Sleeve number CR 99172 also be
> >correct when using a stock hub? I've developed an oil leak down the back
> >side of the backing plate after about 1500 miles on new seals. I'm
assuming
> >that when I tear it down I will discover that the axle is the problem and
> >will have to sleeve it.
> >
> >Larry Miller
> >
> >----- Original Message -----
> >From: Wm. Severin Thompson <wsthompson@thicko.com>
> >To: Thickos <team-thicko@autox.team.net>; <spridgets@autox.team.net>;
> >vintage race list <vintage-race@autox.team.net>
> >Sent: Saturday, October 02, 1999 4:59 PM
> >Subject: Sprite rear hub seal solution tech tip
> >
> >
> >> To all,
> >>
> >> The Red Rat Bastard #99 was the "test mule" for what turned out to be a
> >> great solution for the age old Sprite leaking double bearing hub
> >situation.
> >>
> >> The solution? Pretty simple really. First off, the outer bearing is
> >replaced
> >> with a sealed bearing. There are two styles available, a steel sided,
and
> >a
> >> rubber sided. You want the rubber sided bearing. These are sealed for
life
> >> and suitable for high speed applications. The inner bearing is hand
> >packed
> >> in hi-speed synthetic grease, and the inner seal rides on a
Speedi-Sleeve.
> >>
> >> So, the oil in the axle tube sloshes out to the axle cap under
cornering,
> >> bounces off the cap, hits the sealed bearing, and can go no further.
The
> >> bearing packed in synthetic grease seems to motor quite happily.
> >>
> >> Initial tests of this setup, using a double lip seal at Road America,
> >> revealed some minor seepage of grease past the seal. It turns out the
> >double
> >> lip seal is about 6 thousandths smaller than the single lip seal... so
the
> >> seal basically fell out of the double bearing hub. I have "peened" the
> >> inside of my hubs where the seal rides, and with the addition of the
> >proper
> >> Loctite, it should stay put. But, since it's not seeing any oil, only
> >> grease, I suggest using the single lip seal because of it's larger OD.
You
> >> should still glue them in.
> >>
> >> A word of caution... when you bend the washer behind the axle nut over
the
> >> nut, be sure not to damage the rubber on the sealed bearing face.
> >>
> >> The Speedi-Sleeve may be a different one than you're used to seeing,
but
> >> there's reason for that. It rides all the way in on the axle stub, so
that
> >> the only thing riding on it is the seal, not the inner bearing. The
double
> >> bearing hubs inner bearing won't fit over the sleeve. When installing
the
> >> Speedi-Sleeve, make sure you dress the existing axle stub surface with
> >> emery cloth. Also, take the installation tool that comes with it and
throw
> >> it away. Find a suitable piece of tailpipe, with the correct ID, and
> >gently
> >> tap the Speedi-Sleeve into place... all the way to the backing plate
area.
> >> The lip on the sleeve can stay in place, if it's seated against the
back.
> >>
> >> Another thing, take the paper axle gaskets and the O ring, and toss
them
> >out
> >> too. I have used the "Secret Schmoo" method successfully for about 7
years
> >> of hard racing, and never had any leak from the axle caps. I am running
> >> stock later model axles, not the overpriced "comp" axles being sold
these
> >> days.... more on this subject later. If you are running the comp axles,
> >you
> >> most likely have seepage from the splines. Careful assembley with a
> >gasket,
> >> some schmoo, and washer should slow the flow. This works absolutely
fine
> >on
> >> stock hubs as well. Use Brakeclean on the hub surface and the axle cap.
> >Use
> >> a razor blade if necessary to scrape the axle cap clean. Use RTV
sealant,
> >> (blue, black, copper... doesn't seem to matter) applied to the inner
> >surface
> >> of the axle cap. No gasket, no O ring. Install the axle. Use the
counter
> >> sunk screws (available from Winner's Circle) with the allen head rather
> >than
> >> slotted or Phillips. The reason is that the first one that goes on with
> >the
> >> axle, the short one, can be tightened again after the drum and
remaining
> >two
> >> screws are in place. It doesn't hurt to install and torque the wheels
> >right
> >> away, as it makes sure everything that's being glued together is snug.
> >>
> >> Also, remember the "driver's side" (on a left hand steering Sprite)
axle
> >nut
> >> is "reverse thread".
> >>
> >> The parts list is as follows...
> >>
> >> Sealed bearing SKF 6207-2RS1/C3HT51 available from Berry
bearing.
> >> or MRC 207-SZZ/H501 available from Winner's
> >> Circle
> >> There is a bearing available from NAPA that can be cross refenced to
the
> >> numbers above. I paid about $24-$26 from BB or WC, and about $32 from
> >Napa.
> >>
> >> The inner bearing is the one that came with the hub, just packed in
> >grease.
> >>
> >> The Speedi-Sleeve number is Chicago Rawhide CR 99172
> >>
> >> The single lip seal is Chicago Rawhide CR 17695
> >> This is also available through NAPA
> >>
> >> You mileage may vary, objects in the mirror may be closer than they
> >appear,
> >> I didn't know she was 16...
> >>
> >> WST
> >> Flounder
> >> Team Thicko
> >>
> >>
> >>
> >>
> >>
>
>
> G G Gerard Chateauvieux
> E A
> R R pixelsmith@gerardsgarage.com
> A A
> R G Pixelsmith on Duty
> D E
> S http://www.gerardsgarage.com
>
>
>
>
>
|