REFLECTOR: TC on IO-540

[Brian]

Your ring gear is. Put in on and rotate the crank until the cylinder
pushes air out the #1 sparkplug hole(easiest with no top plugs in). Then
line up the marks with the TOP of the case.  bg
 
-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Tom Martino
Sent: Monday, July 12, 2004 12:45 PM
To: Velocity Aircraft Owners and Builders list
Subject: RE: REFLECTOR: TC on IO-540
 
Unfortunately the crank is not marked.  
 
 
-----Original Message-----
From: robajohnson at comcast.net [mailto:robajohnson at comcast.net] 
Sent: Monday, July 12, 2004 1:08 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: TC on IO-540
 
>>What is the quickest way to determine TC (on cylinder #1) on an
IO-540.<<
Depending on model sometimes there are marks on the crank. line up the
TDC mark with the bottom case split. The engine I have now has a 0 (TDC)
and a 22 degree mark. Line up the 22 degree mark and set the mags. Nice.
Not all engines have them on the crank though. Then you will just have
to break out the protracter. 
Rob
 
 
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