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Yes and I think some of the experts have suggested turning back one =
extra hole.=20
These pumps certainly give us hours of theoretical fun(?) if not always =
so much in practical terms. Having said that, I =E2=80=93 touch wood =
=E2=80=93 have never had any trouble with them that didn=E2=80=99t arise =
from negligence ie back in the days when I didn=E2=80=99t know what =
points were, let alone how and when to adjust them.
Simon
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Kees =
Oudesluijs
Sent: 05 December 2018 09:55
To: healeys@autox.team.net
Subject: Re: [Healeys] Fuel pumps (AGAIN!)
=20
Bob,
=20
The settings are the same for all SU pumps as the coil housing with =
points assembly is mechanically the same on all SU-pumps.
top blade to pedestal at the very front of the blade: 0,9mm/0,035
coil body to lip on lower points assembly: 2,3mm/0,090", this used to be =
1,9mm in the early days with a slightly different points design (NLA), =
but I set them all to 2,3mm using the later points
Also important is the adjustment of the diaphragm:=20
Remove the 10 guiding brass rings, five 8-shaped plastic parts or a =
U-shaped plastic casting between the steel centre of the diaphragm and =
coil housing.Screw in the diaphragm slowly while continually moving it =
in and out firmly, holding the pump horizontal, until the points just do =
not throw over any more, turn the diaphragm back to line up with the =
nearest hole and then turn back another 4 holes. Refit the guiding brass =
rings/8-shaped plastic parts/ U-shaped plastic casting. Be careful that =
these are seated properly. If not they will get damaged and the =
diaphragm will be destroyed when fitting the pump body and coil housing =
together.
Adjust the points as previously described.=20
Fit a transil between the small terminal screw of the points blade and =
one of the 2 larger pedestal screws.
=20
Kees Oudesluijs
=20
=20
Op 5-12-2018 om 04:55 schreef Bob Spidell:
David,
Are the factory settings per SU the same as those in the shop manual =
(Bentley, in my case)?
Bob
=20
On 11/29/2018 8:18 AM, David Nock wrote:
We install and sell probably about 50 to 75 SU fuel pump a year with =
almost 0 returns. The only time when we had an issue with the SU pumps =
is when they first came out with the Positive Ground pumps.
=20
The reason for this is they went backwards in time about 50 years.
=20
Originally the pumps only had a set of points and no condensor. Then =
they installed a condensor in the early 50s to solve the pitting points =
and sticking problems they were having. These pumps were used thru the =
early 80=E2=80=99s with very few issues other than failures due to age. =
Sometime in the late 80=E2=80=99s or early 90=E2=80=99s there was a =
demand for originallity for a Positive Ground pump at the time the had =
changed from a condensor to a diode in across the points. So the answer =
to a Positive Ground pump was to remove the diode. This returned the =
pump the original design and they started having pump failures in the =
Positive ground pumps.
=20
Then somewhere in the late 90=E2=80=99s they started installing a non =
polarity concious diode in all the pumps. Thus solving the problem with =
pump failure due to the points.=20
=20
The one issue that we did find with the pumps in the late 90=E2=80=99s =
up until about 2005 was that the diaphgrams / points adjustments were =
incorrect. So we would always pull all of our pumps apart and re adjust =
the points to the factory settings as per SU.
=20
=20
=20
David Nock
209 948 8767
www.britishcarspecialists.com <http://www.britishcarspecialists.com>=20
Help us have our Founder Norman Nock inducteed into the=20
British Sportscar Hall of Fame, You can vote for your favorites=20
by visiting the site at.
www.britishsportscarhall.org <http://www.britishsportscarhall.org>=20
=20
=20
_______________________________________________
=20
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive
=20
http://autox.team.net/mailman/listinfo/healeys
=20
http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
=20
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lang=3DEN-GB link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt;mso-fareast-language:EN-US'>Yes and I think some of the experts have =
suggested turning back one extra hole. <o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt;mso-fareast-language:EN-US'>These pumps certainly give us hours of =
theoretical fun(?) if not always so much in practical terms. Having said =
that, I =E2=80=93 touch wood =E2=80=93 have never had any trouble with =
them that didn=E2=80=99t arise from negligence ie back in the days when =
I didn=E2=80=99t know what points were, let alone how and when to adjust =
them.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt;mso-fareast-language:EN-US'>Simon<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt'>From:</span></b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte=
xt'> Healeys <healeys-bounces@autox.team.net> <b>On Behalf Of =
</b>Kees Oudesluijs<br><b>Sent:</b> 05 December 2018 09:55<br><b>To:</b> =
healeys@autox.team.net<br><b>Subject:</b> Re: [Healeys] Fuel pumps =
(AGAIN!)<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p>Bob,<span =
style=3D'font-size:11.0pt'><o:p></o:p></span></p><p><o:p> </o:p></p>=
<p>The settings are the same for all SU pumps as the coil housing with =
points assembly is mechanically the same on all =
SU-pumps.<o:p></o:p></p><p>top blade to pedestal at the very front of =
the blade: 0,9mm/0,035<o:p></o:p></p><p>coil body to lip on lower points =
assembly: 2,3mm/0,090", this used to be 1,9mm in the early days =
with a slightly different points design (NLA), but I set them all to =
2,3mm using the later points<o:p></o:p></p><p>Also important is the =
adjustment of the diaphragm: <o:p></o:p></p><p>Remove the 10 guiding =
brass rings, five 8-shaped plastic parts or a U-shaped plastic casting =
between the steel centre of the diaphragm and coil housing.Screw in the =
diaphragm slowly while continually moving it in and out firmly, holding =
the pump horizontal, until the points just do not throw over any more, =
turn the diaphragm back to line up with the nearest hole and then turn =
back another 4 holes. Refit the guiding brass rings/8-shaped plastic =
parts/ U-shaped plastic casting. Be careful that these are seated =
properly. If not they will get damaged and the diaphragm will be =
destroyed when fitting the pump body and coil housing =
together.<br>Adjust the points as previously described. =
<o:p></o:p></p><p>Fit a transil between the small terminal screw of the =
points blade and one of the 2 larger pedestal =
screws.<o:p></o:p></p><p><o:p> </o:p></p><p>Kees =
Oudesluijs<o:p></o:p></p><p><o:p> </o:p></p><p><o:p> </o:p></p>=
<div><p class=3DMsoNormal>Op 5-12-2018 om 04:55 schreef Bob =
Spidell:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p>David,<o:p></o:p></p><p=
>Are the factory settings per SU the same as those in the shop manual =
(Bentley, in my =
case)?<o:p></o:p></p><p>Bob<o:p></o:p></p><p><o:p> </o:p></p><div><p=
class=3DMsoNormal>On 11/29/2018 8:18 AM, David Nock =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p =
class=3DMsoNormal><span style=3D'font-family:"Century",serif'>We install =
and sell probably about 50 to 75 SU fuel pump a year with almost 0 =
returns. The only time when we had an issue with the SU pumps is when =
they first came out with the Positive Ground =
pumps.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span style=3D'font-family:"Century",serif'>The =
reason for this is they went backwards in time about 50 =
years.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'>Originally the pumps only had a =
set of points and no condensor. Then they installed a condensor in the =
early 50s to solve the pitting points and sticking problems they were =
having. These pumps were used thru the early 80=E2=80=99s with very few =
issues other than failures due to age. Sometime in the late 80=E2=80=99s =
or early 90=E2=80=99s there was a demand for originallity for a Positive =
Ground pump at the time the had changed from a condensor to a diode in =
across the points. So the answer to a Positive Ground pump was to remove =
the diode. This returned the pump the original design and they started =
having pump failures in the Positive ground =
pumps.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'>Then somewhere in the late =
90=E2=80=99s they started installing a non polarity concious diode in =
all the pumps. Thus solving the problem with pump failure due to the =
points. <o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span style=3D'font-family:"Century",serif'>The =
one issue that we did find with the pumps in the late 90=E2=80=99s up =
until about 2005 was that the diaphgrams / points adjustments were =
incorrect. So we would always pull all of our pumps apart and re adjust =
the points to the factory settings as per =
SU.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'> <o:p></o:p></span></p></div><=
div><p class=3DMsoNormal><span =
style=3D'font-family:"Century",serif'>David Nock<br><a =
href=3D"mailto:healeydoc@sbcglobal.net";>healeydoc@sbcglobal.net</a><br>20=
9 948 8767<br><a =
href=3D"http://www.britishcarspecialists.com";>www.britishcarspecialists.c=
om</a><br><br>Help us have our Founder Norman Nock inducteed into the =
<br>British Sportscar Hall of Fame, You can vote for your favorites =
<br>by visiting the site at.<br><a =
href=3D"http://www.britishsportscarhall.org";>www.britishsportscarhall.org=
</a><o:p></o:p></span></p></div><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma",sans-serif'> <o:p></o=
:p></span></p></div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma",sans-serif'><o:p> </o=
:p></span></p></div></div></div></div></blockquote><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><br><br><o:p>=
</o:p></span></p><pre>_______________________________________________<o:p=
></o:p></pre><pre>Support Team.Net <a =
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/a><o:p></o:p></pre><pre>Suggested annual donation=C2=A0 =
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