Farm Equipment - '39 B timing marks are gone.?

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'39 B timing marks are gone.?

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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=30418
Printed Date: 09 May 2024 at 6:19pm
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Topic: '39 B timing marks are gone.?

Posted By: Mark in Iowa
Subject: '39 B timing marks are gone.?
Date Posted: 08 May 2011 at 12:50pm

Suggestions on how to time if timing marks are worn off of the fly wheel of 1939 B.

Thanks, Mark

Replies:

Posted By: Tedin NE-OH
Date Posted: 08 May 2011 at 1:16pm

Do it like the old timers do it ---by ear.

Posted By: Mark in Iowa
Date Posted: 08 May 2011 at 7:37pm

I need to get tractor/governor set so when I put the rebuilt FMJ mag on I have a match for the firing order with the mag. Not sure how to do it without the marks on the fly wheel to go by Thank

Posted By: Tedin NE-OH
Date Posted: 08 May 2011 at 8:32pm

Take the spark plugs out. Put your thumb over spark plug hole number one(closest to the radiator). Have someone hand crank the engine until you feel pressure on your thumb. That is when #1cyclindar is TDC and ready to fire. Align mag rotor to #1 wire (top left) Install mag and wires and plugs. It should run. Fine tune by ear.

Posted By: Brian Jasper co. Ia
Date Posted: 08 May 2011 at 10:30pm

The marks are there, they're just not stamped in very deep. Rust can hide them. Do like Ted says.

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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford