REFLECTOR:Checking Mags.
Ronnie Brown
reflector@tvbf.org
Mon, 13 Oct 2003 13:56:34 -0400
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Are you sure you are turning your engine the correct direction?
My Lycoming turns counter clockwise when facing the engine from the =
rear.
You should be getting sparks as the impulse couplings release (click).
Ronnie
----- Original Message -----=20
From: Hiroo Umeno=20
To: reflector@tvbf.org=20
Sent: Monday, October 13, 2003 1:43 PM
Subject: REFLECTOR:Checking Mags.
How could I check to make sure my Mag wirings are correct?
This is what I did. I pulled out the top lug from all the jugs. I =
turned the ignition switch to "BOTH" position. I laid all the plugs on =
the jugs making sure that the threaded part was in contact with the =
metal part of the jugs. I turned the prop by hand in the rotation =
(clockwise standing behind the plane). As I pass through TDC, I can =
hear two impulse coupling clinking in the Mags but I did not see any =
sparks fly in the plugs. I was expecting a healthy dose of "Zap" as the =
impulse coupling fires.
I went around with continuity checker and made sure there was good =
connection between the mag switch, mag, the engine casing, ground line =
and they all seems good.
Any tips?
Hiroo
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<BODY lang=3DEN-US vLink=3Dpurple link=3Dblue bgColor=3D#ffffff>
<DIV><FONT size=3D2>Are you sure you are turning your engine the correct =
direction?</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>My Lycoming turns counter clockwise when facing the =
engine=20
from the rear.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>You should be getting sparks as the impulse =
couplings release=20
(click).</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Ronnie</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dhumeno@microsoft.com =
href=3D"mailto:humeno@microsoft.com">Hiroo=20
Umeno</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dreflector@tvbf.org=20
href=3D"mailto:reflector@tvbf.org">reflector@tvbf.org</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, October 13, 2003 =
1:43=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> REFLECTOR:Checking =
Mags.</DIV>
<DIV><BR></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">How could I check to =
make sure my=20
Mag wirings are correct?</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">This is what I =
did. I pulled=20
out the top lug from all the jugs. I turned the ignition switch =
to=20
“BOTH” position. I laid all the plugs on the jugs =
making sure that the=20
threaded part was in contact with the metal part of the jugs. =
I=20
turned the prop by hand in the rotation (clockwise standing behind the =
plane). As I pass through TDC, I can hear two impulse coupling =
clinking=20
in the Mags but I did not see any sparks fly in the plugs. I was =
expecting a healthy dose of “Zap” as the impulse coupling=20
fires.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">I went around with =
continuity=20
checker and made sure there was good connection between the mag =
switch, mag,=20
the engine casing, ground line and they all seems =
good.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Any =
tips?</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Hiroo</SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>
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