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Hi Clayton, The pump you pictured does have a filter, on the face that =
has the large round gasket behind the zinc-looking casting. See the diag=
ram D.3 in the workshop manual, item 55. This filter will keep out chu=
nks of rust but will not stop water, as you have found. When everyth=
ing is working right, the pump will push clean fuel, but the tank must b=
e clean too, and I wonder if air-drying the tank as you have done will s=
uffice. You might dump a pint of alcohol in the tank, slosh it around, =
absorbing water and some dirt, then drain and dry again. If you have dry=
compressed air, you might try that too, then put the tank into the sun =
for a few days. Water would seem to be easy to get out of a tank; it's =
surprisingly difficult. Have you replaced the flexible fuel lines? If=
not, consider new ones. The originals could be brittle now, and sloughi=
ng inside which will be increased by presence of fresh fuel. If you saw=
little black chunks in the float bowls or passages, it is fuel line mat=
erial. These lines are not under much pressure, 2.5-4.0 psi, but they ar=
e thoughtfully located over the exhaust manifold....Bob
---------- Original Message ----------
From: Clayton Kirkwood via Mgs <mgs@autox.team.net>
To: <mgs@autox.team.net>
Subject: [Mgs] fuel pump difficulties
Date: Thu, 22 Oct 2015 18:44:23 -0700
Hello all. My 62 mga 1622 fuel system is sick. I’ve mentioned it i=
n previous posts and have had some great replies. I broke the floats up =
and what a surprise: white goo around the float pin and lifter. The wate=
r had lots of water in it (when it was emptied out the garage floor had =
water on top of gas). I pumped it for awhile and the pump coughed and sp=
it and kicked out a murky mix. I did this for some time and the kicking=
and spurting continued, so I finally looked at the pump. Hopefully atta=
ched. There is the diaphragm on the bottom which has some water in it. I=
couldn’t find the filter, which on, apparently, the original pump=
was opposite the input/output. So, does this pump have a filter.
=
I cleaned up the carb. White crap on the float pin, water in the bowl (i=
t appears to be an HS4), and just clearly polluted. It seems the pump is=
not running properly. The seals on the bowl have broken down ( while be=
ing separated).
=
Any ideas on the pump filter? Is it supposed to belch out, and be cloudy=
? I drained the tank earlier, let it sit for days to air out, and put ne=
w fuel in. I would think by now any water should be gone.
=
TIA,
=
Clayton
=
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<html><div>Hi Clayton,</div><div> The pump you pictured does have =
a filter, on the face that has the large round gasket behind the zinc-lo=
oking casting. See the diagram D.3 in the workshop manual, item 55.</div=
><div> This filter will keep out chunks of rust but will not=
stop water, as you have found. </div><div> When every=
thing is working right, the pump will push clean fuel, but the tank must=
be clean too, and I wonder if air-drying the tank as you have done will=
suffice. You might dump a pint of alcohol in the tank, slosh it a=
round, absorbing water and some dirt, then drain and dry again. If you h=
ave dry compressed air, you might try that too, then put the tank into t=
he sun for a few days. Water would seem to be easy to get out of a=
tank; it's surprisingly difficult. </div><div> Have you repl=
aced the flexible fuel lines? If not, consider new ones. The origi=
nals could be brittle now, and sloughing inside which will be increased =
by presence of fresh fuel. If you saw little black chunks in the f=
loat bowls or passages, it is fuel line material. These lines are not un=
der much pressure, 2.5-4.0 psi, but they are thoughtfully located over t=
he exhaust manifold....</div><div>Bob<br><br>---------- Original Message=
----------<br>From: Clayton Kirkwood via Mgs <mgs@autox.team.net>=
<br>To: <mgs@autox.team.net><br>Subject: [Mgs] fuel pump difficult=
ies<br>Date: Thu, 22 Oct 2015 18:44:23 -0700<br><br></p><!--[if gte mso =
9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D=
"MsoNormal">Hello all. My 62 mga 1622 fuel system is sick. I’ve me=
ntioned it in previous posts and have had some great replies. I broke th=
e floats up and what a surprise: white goo around the float pin and lift=
er. The water had lots of water in it (when it was emptied out the garag=
e floor had water on top of gas). I pumped it for awhile and the pump co=
ughed and spit and kicked out a murky mix. I did this for some tim=
e and the kicking and spurting continued, so I finally looked at the pum=
p. Hopefully attached. There is the diaphragm on the bottom which has so=
me water in it. I couldn’t find the filter, which on, apparently, =
the original pump was opposite the input/output. So, does this pump have=
a filter.</p><p class=3D"MsoNormal"> </p><p class=3D"MsoNormal">I =
cleaned up the carb. White crap on the float pin, water in the bowl (it =
appears to be an HS4), and just clearly polluted. It seems the pump is n=
ot running properly. The seals on the bowl have broken down ( while bein=
g separated).</p><p class=3D"MsoNormal"> </p><p class=3D"MsoNormal"=
>Any ideas on the pump filter? Is it supposed to belch out, and be cloud=
y? I drained the tank earlier, let it sit for days to air out, and put n=
ew fuel in. I would think by now any water should be gone.</p><p class=3D=
"MsoNormal"> </p><p class=3D"MsoNormal">TIA,</p><p class=3D"MsoNorm=
al"> </p><p class=3D"MsoNormal">Clayton</p><p class=3D"MsoNormal">&=
nbsp;</p></div></html>
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