Banged my PDWA on the workbench till it came out, last resort
would have been compressed air.
Mike L
60A,67E,59Bug,74TR6
----- Original Message -----
From: James Tabor <jattr6@hotmail.com>
To: <skip@pobox.com>
Cc: <6pack@autox.team.net>
Sent: June 20, 2002 5:04 PM
Subject: Re: PDWA shuttle needed: FollowUp
> hi skip, (and members)
>
> wow.
> so not only are there two different seal types used to match the
different
> shapes of the shuttle, but you are saying there is another
factor with the
> switch in the middle at the cross section?
> GREAT! :-(
>
> the reason i ask is because i am trying to find a shuttle for
you my friend.
> :-)
> I have dug up a PDWA and need to take it apart.
> but i am having trouble extracting the shuttle though to make an
inspection
> for you.
> any insights/advice?
>
> do you still need a good shuttle?
>
> james
>
>
> >From: Skip Montanaro <skip@pobox.com>
> >Reply-To: skip@pobox.com
> >To: "James Tabor" <jattr6@hotmail.com>
> >CC: 6pack@autox.team.net
> >Subject: Re: Late style PDWA shuttle needed: question
> >Date: Sat, 15 Jun 2002 00:43:51 -0500
> >
> >
> > James> Skip referenced the need for a late style, but then
calls the
> >cup
> > James> design the late style... the LATE model shuttle i
believe is
> >in
> > James> fact the one that skip has. (the one show on the
top in the
> > James> photo referenced below). So did skip mean to say
he needs an
> > James> EARLY shuttle?
> >
> >James,
> >
> >I think I just worded things badly. The picture I referenced
shows two
> >shuttles, an early version with cup seals, and a later version
with
> >o-rings.
> >Not knowing any better, I assumed there were only two styles of
shuttles.
> >I
> >bought a PDWA from (purportedly) a '72 or '73. The text from
Nelson's MC
> >rebuild article on the Buckeye Triumphs site says, in part:
> >
> > I have PDWAs from years '68,'70, '73 & '76 and all have
5/16"
> > cylinders. Three use O-Ring seals as the lower piston in
the
> > photo and one uses the more substantial seal as the upper
piston
> > in the photo.
> >
> >Knowing that I had a '68 PDWA with cup seals, I assumed that at
least from
> >'70 onwards o-ring style shuttles were used. I incorrectly
assumed the one
> >I was buying would have an o-ring shuttle. It had a cup seal
shuttle, but
> >it was slightly different in cross section in the center switch
activation
> >region than the shuttle from my TR-250. I then inferred
(perhaps also
> >incorrectly) that what I purchased was what I think of as a
"late" cup seal
> >PDWA.
> >
> >It's not obvious to me that you couldn't use o-rings on the cup
seal style
> >shuttle, but you'd have to find o-rings with much smaller
inside diameters
> >than the TRF rebuild kit provides. The pressure bears from the
ends of the
> >shuttle which would tend to press the o-rings up against the
inner
> >shoulder.
> >You might have to place two o-rings on each side. Has anyone
tried this
> >successfully?
> >
> >Moral of the story: Don't buy a pig in a poke like I did.
Check the
> >shuttle
> >before buying...
> >
> >Skip
>
>
>
>
>
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