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Date: Wed, 25 Feb 2009 21:53:21 -0800
Message-ID: <1ab24f410902252153j33ca29a8wb53fa60d670273e3@mail.gmail.com>
Subject: No pressure
From: Lynn Hanover <lehanover@gmail.com>
To: flyrotary@lancaironline.net
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She=92s alive!

I had my first start today.  She sounded good, but the oil stayed at 3-4
PSI, so I shut her down.  I opened the line from the oil cooler to filter t=
o
see if I was pumping anything.  There was a little oil there, it didn=92t g=
ush
out, but it was there.

 So now I have to figure out why I don=92t have pressure.  I=92m open to an=
y
ideas or suggestions.

Chris

New engine or fresh rebuild??? Pump not packed with Vasolene or STP.

The oil out hose from the front cover can be disconnected from its
destination. Proped upright, and filled with engine oil. After a long while=
,
the oil will leak backwards through the pump, wetting the pump parts.

You might over fill the sump with 4 quarts of oil to reduce the suction lif=
t
for the pump. Once you are sure that oil has moved back into the pump, wrap
a bundle of rags around the hose end, but leave the end of the hose open.
With everything off but starter power, spin the engine. After a second or
so, oil should squirt out of the hose.

Let us assume that this worked. Now go to the next part of the circuit, say
the filter(s). The filters are full of oil right? If not fill them up solid=
.
Remove the filter adaptor, and fill the inner and outer virtical passages.
The out goes down to the oil pressure relief valve and that run is tapped
for the pressure sender. The inner is at a bit of an angle and runs to the
rear main bearing. This intersects the upper dowel gallery, that carries oi=
l
to the front main bearing. So, it is possible to fill all of the oil
passages prior to cranking the engine. And this is the correct method to
use. You do all of this with the plugs out and all but the starter disabled=
.
You should get 40 to 50 pounds of pressure on the gage just at cranking
speed. Now with oil obviously being pumped out of that hose, hook it back
up. Leave the filter off, and spin the engine until oil comes out of the
filter adaptor. Then install the filter (not a Fram) and remove the oil
pressure sender from the block. Spin again until oil squirts from the sende=
r
hole. Install the sender and spin again watching the gage.  Once you see a
solid pressure reading on the gage, you are ready to start the engine.

Lynn E. Hanover

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<div class=3D"Section1">
<p class=3D"MsoNormal">She=92s alive!=A0</p>
<p class=3D"MsoNormal">I had my first start today.=A0 She sounded good, but=
 the oil stayed at 3-4 PSI, so I shut her down.=A0 I opened the line from t=
he oil cooler to filter to see if I was pumping anything.=A0 There was a li=
ttle oil there, it didn=92t gush out, but it was there.=A0 </p>

<p class=3D"MsoNormal">=A0So now I have to figure out why I don=92t have pr=
essure.=A0 I=92m open to any ideas or suggestions.</p>
<p class=3D"MsoNormal">Chris</p>
<p class=3D"MsoNormal">New engine or fresh rebuild??? Pump not packed with =
Vasolene or STP. </p>
<p class=3D"MsoNormal">The oil out hose from the front cover can be disconn=
ected from its destination. Proped upright, and filled with engine oil. Aft=
er a long while, the oil will leak backwards through the pump, wetting the =
pump parts. </p>

<p class=3D"MsoNormal">You might over fill the sump with 4 quarts of oil to=
 reduce the suction lift for the pump. Once you are sure that oil has moved=
 back into the pump, wrap a bundle of rags around the hose end, but leave t=
he end of the hose open. With everything off but starter power, spin the en=
gine. After a second or so, oil should squirt out of the hose.</p>

<p class=3D"MsoNormal">Let us assume that this worked. Now go to the next p=
art of the circuit, say the filter(s). The filters are full of oil right? I=
f not fill them up solid. Remove the filter adaptor, and fill the inner and=
 outer virtical passages. The out goes down to the oil pressure relief valv=
e and that run is tapped for the pressure sender. The inner is at a bit of =
an angle and runs to the rear main bearing. This intersects the upper dowel=
 gallery, that carries oil to the front main bearing. So, it is possible to=
 fill all of the oil passages prior to cranking the engine. And this is the=
 correct method to use. You do all of this with the plugs out and all but t=
he starter disabled. You should get 40 to 50 pounds of pressure on the gage=
 just at cranking speed. Now with oil obviously being pumped out of that ho=
se, hook it back up. Leave the filter off, and spin the engine until oil co=
mes out of the filter adaptor. Then install the filter (not a Fram)=A0and r=
emove the oil pressure sender from the block. Spin again until oil squirts =
from the sender hole. Install the sender and spin again watching the gage.=
=A0 Once you see a solid pressure reading on the gage, you are ready to sta=
rt the engine. </p>

<p class=3D"MsoNormal">Lynn E. Hanover</p>
<p class=3D"MsoNormal">=A0</p>
<p class=3D"MsoNormal">=A0</p>
<p class=3D"MsoNormal">=A0</p></div>

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