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To your question in 3.
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.
The spring merely holds the piston roller against the cam until pressure is
established.
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.
M
On Sun., Aug. 29, 2021, 8:46 a.m. Simon Lachlan via Healeys, <
healeys@autox.team.net> wrote:
> Hi,
>
> My overdrive is still driving me mad=E2=80=A6=E2=80=A6
>
>
>
> So, I=E2=80=99ve got it reassembled and have added the oil. About 3.5 lit=
res was
> all it required so there must have been a fair bit still inside.
>
> 1. 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??
>
>
>
> 1. I ran the engine in 3rd for about 2 minutes whilst bringing that
> lever up, down, wherever. No pressure. How long does it take for the O=
D to
> produce pressure after the hydraulics have been reassembled?
>
>
>
> 1. With the pump in place and its two retaining screws tightened up,
> should one be able to move the pump=E2=80=99s piston up and down again=
st the spring
> with a rod pushed up through that bottom bolt? (The bolt into which th=
e
> filter=E2=80=99s bolt screws). Mine wouldn=E2=80=99t move at all. But =
wouldn=E2=80=99t that depend
> on the position of the cam??
>
>
>
> 1. One observation: The piston in the AH Spares accumulator wouldn=E2=
=80=99t
> 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 thou=
ghts
> on that??
>
>
>
>
>
> I suspect that I=E2=80=99ve not managed to line the top of the piston up =
properly.
> Zero pressure.
>
> I had pressure before this saga all started but it dropped drastically
> once the engine/gearbox warmed up. Hence the new AH Spares accumulator wi=
th
> bigger bore and new ball bearings and little springs etcetc.
>
> I don=E2=80=99t believe that I=E2=80=99ve got anything (else!) wrong so I=
=E2=80=99m wondering
> about the pump=E2=80=A6=E2=80=A6..
>
>
>
> Simon
>
>
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<div dir=3D"auto">To your question in 3.<div dir=3D"auto">No when you put a=
rod up through the hole in the center of the pump body lower flange you wi=
ll be pressing on the end of the piston which will move up and down as the =
overdrive is rotated.</div><div dir=3D"auto">The spring merely holds the pi=
ston roller against the cam until pressure is established.=C2=A0</div><div =
dir=3D"auto">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 dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div c=
lass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun., Aug. 29=
, 2021, 8:46 a.m. Simon Lachlan via Healeys, <<a href=3D"mailto:healeys@=
autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div lang=3D"EN-GB" link=3D"#0563C1" vlink=3D"#954F72"><=
div class=3D"m_1156291302294497715WordSection1"><p class=3D"MsoNormal">Hi,<=
u></u><u></u></p><p class=3D"MsoNormal">My overdrive is still driving me ma=
d=E2=80=A6=E2=80=A6<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u=
></u></p><p class=3D"MsoNormal">So, I=E2=80=99ve got it reassembled and hav=
e added the oil. About 3.5 litres was all it required so there must have be=
en a fair bit still inside.<u></u><u></u></p><ol style=3D"margin-top:0cm" s=
tart=3D"1" type=3D"1"><li class=3D"m_1156291302294497715MsoListParagraph" s=
tyle=3D"margin-left:0cm">The solenoid is still in its box. Am I right in as=
suming(!)that one can switch the OD on manually with the lever on the RHS??=
<u></u><u></u></li></ol><p class=3D"m_1156291302294497715MsoListParagraph">=
<u></u>=C2=A0<u></u></p><ol style=3D"margin-top:0cm" start=3D"2" type=3D"1"=
><li class=3D"m_1156291302294497715MsoListParagraph" style=3D"margin-left:0=
cm">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 O=
D to produce pressure after the hydraulics have been reassembled? <u></u><u=
></u></li></ol><p class=3D"m_1156291302294497715MsoListParagraph"><u></u>=
=C2=A0<u></u></p><ol style=3D"margin-top:0cm" start=3D"3" type=3D"1"><li cl=
ass=3D"m_1156291302294497715MsoListParagraph" style=3D"margin-left:0cm">Wit=
h the pump in place and its two retaining screws tightened up, should one b=
e able to move the pump=E2=80=99s piston up and down against the spring wit=
h a rod pushed up through that bottom bolt? (The bolt into which the filter=
=E2=80=99s bolt screws). Mine wouldn=E2=80=99t move at all. But wouldn=E2=
=80=99t that depend on the position of the cam??<u></u><u></u></li></ol><p =
class=3D"m_1156291302294497715MsoListParagraph"><u></u>=C2=A0<u></u></p><ol=
style=3D"margin-top:0cm" start=3D"4" type=3D"1"><li class=3D"m_11562913022=
94497715MsoListParagraph" style=3D"margin-left:0cm">One observation: The pi=
ston in the AH Spares accumulator wouldn=E2=80=99t move in/out with pressur=
e from my thumb. The supplier, OD Spares, said that it takes a lot of press=
ure and oil to get that piston moving. Any thoughts on that??<u></u><u></u>=
</li></ol><p class=3D"m_1156291302294497715MsoListParagraph"><u></u>=C2=A0<=
u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNor=
mal">I suspect that I=E2=80=99ve not managed to line the top of the piston =
up properly. Zero pressure.<u></u><u></u></p><p class=3D"MsoNormal">I had p=
ressure before this saga all started but it dropped drastically once the en=
gine/gearbox warmed up. Hence the new AH Spares accumulator with bigger bor=
e and new ball bearings and little springs etcetc. <u></u><u></u></p><p cla=
ss=3D"MsoNormal">I don=E2=80=99t believe that I=E2=80=99ve got anything (el=
se!) wrong so I=E2=80=99m wondering about the pump=E2=80=A6=E2=80=A6..<u></=
u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"Mso=
Normal">Simon<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u><=
/p></div></div>_______________________________________________<br>
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</blockquote></div>
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