<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Smacking the check ball will not make a new seat in the pump. You must cut a new seat with a special reamer. <br><br><div dir="ltr"><div>David Nock</div><div><br></div>Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Aug 29, 2021, at 11:36 AM, Henry G Leach via Healeys <healeys@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">Simon- two things...did some of that "Plastic Metal" (JB Weld) that you found, get into the plunger/pump body and "weld" it together? It (plunger) must move up and down with the action of the cam on the mainshaft to "pump" oil. (the wheel on the end should also be free to rotate)<div><br></div><div>Secondly, the new 1/4" ball you fitted to the pump body opening-did you smack it to seat with the body hole??...this is very important as if it does not seal perfectly, you will get "0" pressure. </div><div><br></div><div>Yes, you can engage/disengage the OD with the lever, sans the solenoid. Hank<br><br><div class="reply-new-signature"></div><p>-----------------------------------------</p>From: "Michael Salter" <michaelsalter@gmail.com><br>To: "Simon Lachlan"<br>Cc: "Healeys"<br>Sent: Sunday August 29 2021 5:58:01AM<br>Subject: Re: [Healeys] Overdrive pump queries<br><br>
<div>To your question in 3.
<div>No when you put a rod up through the hole in the
center of the pump body lower flange you will be pressing on the
end of the piston which will move up and down as the overdrive is
rotated.</div>
<div>The spring merely holds the piston roller against
the cam until pressure is established. </div>
<div>If the piston does not move up and down with no
influence from that "rod" it is jamming in the body and this must
be corrected.</div>
<div><br></div>
<div>M</div>
</div>
<br><div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun., Aug. 29, 2021, 8:46 a.m.
Simon Lachlan via Healeys, <<a>healeys@autox.team.net</a>>
wrote:<br></div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div lang="en-gb">
<div class="m_1156291302294497715WordSection1">
<p class="MsoNormal">Hi,</p>
<p class="MsoNormal">My overdrive is still driving me mad……</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">So, I’ve got it reassembled and have added the
oil. About 3.5 litres was all it required so there must have been a
fair bit still inside.</p>
<ol style="margin-top:0cm;" start="1" type="1"><li class="m_1156291302294497715MsoListParagraph" style="margin-left:0cm;">The solenoid is still in its box. Am I right in
assuming(!)that one can switch the OD on manually with the lever on
the RHS??</li>
</ol><p class="m_1156291302294497715MsoListParagraph"> </p>
<ol style="margin-top:0cm;" start="2" type="1"><li class="m_1156291302294497715MsoListParagraph" style="margin-left:0cm;">I ran the engine in 3<sup>rd</sup> for about 2
minutes whilst bringing that lever up, down, wherever. No pressure.
How long does it take for the OD to produce pressure after the
hydraulics have been reassembled?</li>
</ol><p class="m_1156291302294497715MsoListParagraph"> </p>
<ol style="margin-top:0cm;" start="3" type="1"><li class="m_1156291302294497715MsoListParagraph" style="margin-left:0cm;">With the pump in place and its two retaining
screws tightened up, should one be able to move the pump’s piston
up and down against the spring with a rod pushed up through that
bottom bolt? (The bolt into which the filter’s bolt screws). Mine
wouldn’t move at all. But wouldn’t that depend on the position of
the cam??</li>
</ol><p class="m_1156291302294497715MsoListParagraph"> </p>
<ol style="margin-top:0cm;" start="4" type="1"><li class="m_1156291302294497715MsoListParagraph" style="margin-left:0cm;">One observation: The piston in the AH Spares
accumulator wouldn’t move in/out with pressure from my thumb. The
supplier, OD Spares, said that it takes a lot of pressure and oil
to get that piston moving. Any thoughts on that??</li>
</ol><p class="m_1156291302294497715MsoListParagraph"> </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I suspect that I’ve not managed to line the
top of the piston up properly. Zero pressure.</p>
<p class="MsoNormal">I had pressure before this saga all started
but it dropped drastically once the engine/gearbox warmed up. Hence
the new AH Spares accumulator with bigger bore and new ball
bearings and little springs etcetc.</p>
<p class="MsoNormal">I don’t believe that I’ve got anything (else!)
wrong so I’m wondering about the pump……..</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Simon</p>
<p class="MsoNormal"> </p>
</div>
</div>
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