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Leave the setscrew in the side loose, in order to locate & keep the needle=
from turning, until the little internal allen screw is unscrewed, then rem=
ove the setscrew and pull the needle out.It may require pliers if it has be=
en in there for awhile.You can then tap the allen screw and funky washer ou=
t from bottom to top with a 1/4 punch.Don't forget to replace the little O-=
ring that seals the dashpot.Glen
=20
=20
-----Original Message-----
From: Jack Wheeler via Fot <fot@autox.team.net>
To: FOT List <fot@autox.team.net>
Sent: Fri, Feb 14, 2020 7:00 pm
Subject: [Fot] Stromberg Carb - Needle Removal
I have worked on British Cars (mostly TR-3's and 4's) all my life.=C2=A0 Un=
til now, I have successfully avoided working on Stromberg carburetors.=C2=
=A0 Recently a friend who knows I work on British cars, asked me if I could=
rebuild a carb on a Spitfire he was working on.=C2=A0 For some crazy reaso=
n, I accepted this challenge.=C2=A0 It is from a 1978 Spitfire (at least th=
at's the year of the car).
I'm trying to remove the needle from the piston.=C2=A0 The only manuals I h=
ave for a Stromberg carb are for a TR-6, and I'm not sure they are the same=
, especially since this car was made 2 years after the TR-6 went out of pro=
duction, in an era when emissions laws kept changing resulting in constant =
changes to the carburetors.=C2=A0 So far, I have removed the piston and dia=
phragm, and using a TR-6 adjusting tool, I turned it counter-clockwise for =
a number of turns, or until I figured it was loose.=C2=A0 Then, I removed t=
he set screw in the side of the piston.=C2=A0 Now, the whole needle assembl=
y turns in the piston when I use the adjusting tool to turn it.=C2=A0 But, =
it won't come out.=C2=A0 Is there something else I need to do, or is it jus=
t stuck real well after sitting for the last 20 or so years?
Thanks for any ideas you can give me.=C2=A0 Also, can anyone recommend a ma=
nual for late 70's Stromberg carbs used on the Spitfire?
Jack
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<div style="color:black;font: 10pt Arial, Helvetica, sans-serif;">
<div> <font size="2">Leave the setscrew in the side loose, in order to locate
& keep the needle from turning, until the little internal allen screw is
unscrewed, then remove the setscrew and pull the needle out.</font></div>
<div><font size="2">It may require pliers if it has been in there for
awhile.</font></div>
<div><font size="2">You can then tap the allen screw and funky washer out from
bottom to top with a 1/4 punch.</font></div>
<div><font size="2">Don't forget to replace the little O-ring that seals the
dashpot.</font></div>
<div><font size="2">Glen</font><br>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original
Message-----<br>
From: Jack Wheeler via Fot <fot@autox.team.net><br>
To: FOT List <fot@autox.team.net><br>
Sent: Fri, Feb 14, 2020 7:00 pm<br>
Subject: [Fot] Stromberg Carb - Needle Removal<br>
<br>
<div id="yiv7328244792">
<div>
<div class="yiv7328244792yahoo-style-wrap" style="font-family:Helvetica Neue,
Helvetica, Arial, sans-serif;font-size:13px;">
<div dir="ltr">I have worked on British Cars (mostly TR-3's and 4's) all my
life. Until now, I have successfully avoided working on Stromberg
carburetors. Recently a friend who knows I work on British cars, asked me
if I could rebuild a carb on a Spitfire he was working on. For some crazy
reason, I accepted this challenge. It is from a 1978 Spitfire (at least
that's the year of the car).</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">I'm trying to remove the needle from the piston. The only
manuals I have for a Stromberg carb are for a TR-6, and I'm not sure they are
the same, especially since this car was made 2 years after the TR-6 went out of
production, in an era when emissions laws kept changing resulting in constant
changes to the carburetors. So far, I have removed the piston and
diaphragm, and using a TR-6 adjusting tool, I turned it counter-clockwise for a
number of turns, or until I figured it was loose. Then, I removed the set
screw in the side of the piston. Now, the whole needle assembly turns in
the piston when I use the adjusting tool to turn it. But, it won't come
out. Is there something else I need to do, or is it just stuck real well
after sitting for the last 20 or so years?</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Thanks for any ideas you can give me. Also, can anyone
recommend a manual for late 70's Stromberg carbs used on the Spitfire?</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Jack<br>
</div>
</div>
</div>
</div>
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