[Farmall] F12 Timing

[Robert L. Holtzer]

Mine impulses once per hand crank revolution.  Only one piston on 
compression per hand crank revolution.  It runs fine.

Bob Holtzer

At 10:34 PM 4/12/2005 -0400, you wrote:
>Mine only impulses once per revolution. That may be some of my cranking 
>problem. I will make sure I pull on the stroke that impulses. I have a 
>show to go to this weekend, after that I'm going to take the mag off. I 
>don't think I have the fire I should either. Once it cranks it runs good.
>
>Thanks,
>    Kevin
>
>>From: "John Hall" <jthall at worldnet.att.net>
>>Reply-To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com>
>>To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
>>Subject: Re: [Farmall] F12 Timing
>>Date: Tue, 12 Apr 2005 14:40:17 -0400
>>
>>I think the impulse is probably dirty, not damaged since it is firing 2 
>>cylinders in order. If it were firing 4 and 2 or 3 and 1 I would suspect 
>>something is broke. Soak it in penetrating oil and it should free up. If 
>>you have the time pull the mag and you can clean it a lot better. 
>>Remember, one revolution of the crank should give you 2 clicks on the impulse.
>>
>>There are timing marks on the flywheel, you should be able to acess them 
>>under the bottom of the bell housing. Most folks can manage without one 
>>but an F-series service manual can prove very enlghtning to anyone. Rice 
>>has them.
>>
>>John Hall
>>
>>
>>----- Original Message ----- From: "kevin hood" <hoodkevin at hotmail.com>
>>To: <farmall at lists.antique-tractor.com>
>>Sent: Sunday, April 10, 2005 10:33 AM
>>Subject: [Farmall] F12 Timing
>>
>>
>>>I was checking my timing on my F12 because sometimes it wants to kick 
>>>back when starting. The points appear to open after TDC, but I think the 
>>>mag is 180 degrees out. The impulse trips when #2 & #3 pistons are at 
>>>the top. The tractor runs good once it starts. Is this a problem?
>>>
>>>Thanks,
>>>    Kevin Hood
>>>
>>
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