Re: [Healeys] Overdrive accumulator piston with rings

[Michael Salter <michaelsalter@gmail.com>]

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Years ago I made an accumulator piston to use an O ring.
The result was an abject failure as tiny chunks of the O ring were sliced
off each time it passed over the pressure relief drillings in the housing.
Any clue as to how that has been overcome?

M

On Thu., Jun. 22, 2023, 9:41 a.m. Bob Spidell, <bspidell@comcast.net> wrote=
:

> I have the DWM 'uprated' accumulator set; the housing has an O-ring and
> the piston has four equally-sized metal rings. Don't recall any others, b=
ut
> don't think it was any different than the OEM one I took out.
>
> Too late now, but had I known of it I might have bought the AH Spares
> version with O-ring(s?) on the piston instead of metal rings. The metal
> rings will score the accumulator bore eventually.
>
>
>
> On 6/21/2023 7:35 PM, John Spaur via Healeys wrote:
>
> I am replacing the accumulator housing, piston and rings. When I opened
> the piston box, there was only one wide ring with two narrow rings.
> Shouldn=E2=80=99t there be two wide rings and four narrow to make up two =
ring sets
> for the piston?
>
>
>
> John Spaur
>
> =E2=80=9962 BT7
>
>
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<div dir=3D"auto">Years ago I made an accumulator piston to use an O ring.=
=C2=A0<div dir=3D"auto">The result was an abject failure as tiny chunks of =
the O ring were sliced off each time it passed over the pressure relief dri=
llings in the housing.</div><div dir=3D"auto">Any clue as to how that has b=
een overcome?</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Thu., Jun. 22, 2023, 9:41 a.m. Bob Spidell, &lt;<a href=3D"mailto:bspidell@=
comcast.net">bspidell@comcast.net</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">
 =20
   =20
 =20
  <div>
    I have the DWM &#39;uprated&#39; accumulator set; the housing has an O-=
ring
    and the piston has four equally-sized metal rings. Don&#39;t recall any
    others, but don&#39;t think it was any different than the OEM one I too=
k
    out.<br>
    <br>
    Too late now, but had I known of it I might have bought the AH
    Spares version with O-ring(s?) on the piston instead of metal rings.
    The metal rings will score the accumulator bore eventually.<br>
    <br>
    <br>
    <br>
    <div>On 6/21/2023 7:35 PM, John Spaur via
      Healeys wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
     =20
     =20
      <div>
        <p class=3D"MsoNormal">I am replacing the accumulator housing,
          piston and rings. When I opened the piston box, there was only
          one wide ring with two narrow rings. Shouldn=E2=80=99t there be t=
wo
          wide rings and four narrow to make up two ring sets for the
          piston?<u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">John Spaur<u></u><u></u></p>
        <p class=3D"MsoNormal">=E2=80=9962 BT7 <u></u><u></u></p>
      </div>
      <br>
    </blockquote>
    <br>
  </div>

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