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Farmall & IHC Tractors Discussion Forum
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Farmall B - timing the engine when...

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Dave H (MI)

08-12-2007 14:26:51




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Got the valve situation squared around and I DID find those marks after I used the wire in the cylinder trick. My instructions for timing the engine say that the rotor should be pointing roughly to the #1 spark plug wire when at TDC for #1. FIRST> Which side of the rotor? SECOND> Neither side points at the #1 plug wire. Is there something I should do or should I just follow the instructions and loosen the distributor, rotate about 30* clockwise past the #1 mark and then turn it back to get a spark from the coil wire. Sorry, I am typing fast here. There is a post from me on page 2 of this forum that has the instruction I am reading from. Main point of confusion I have is which end of rotor and what to do about it pointing in the wrong direction....hope that makes sense.

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Patrick Martin

08-12-2007 16:07:45




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 14:26:51  
So did you set the valves to .015"?



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Dave H (MI)

08-12-2007 16:25:35




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 Re: Farmall B - timing the engine when... in reply to Patrick Martin, 08-12-2007 16:07:45  
Nope....I only set the one I repaired and that was at .018 because she isn't running and I cannot do it hot. I will reset all of them when she runs again.



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Patrick Martin

08-12-2007 16:09:11




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 Re: Farmall B - timing the engine when... in reply to Patrick Martin, 08-12-2007 16:07:45  
I mean .017"



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Patrick Martin

08-12-2007 16:09:10




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 Re: Farmall B - timing the engine when... in reply to Patrick Martin, 08-12-2007 16:07:45  
I mean .017"



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teddy52food

08-12-2007 15:51:53




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 14:26:51  
I think you are working with a distribtor. if so, 90 degrees off and it won"t run. Take out the 2 5/16 bolts (1/2 inch wrench) and pull the dist out. there is a gear on the end. examine this gear and see if it looks like the teeth are stripped. If not then turn the rotor so the metal strip is pointing to # 1. Put it back in and put the bolts in just loose enough so you can still turn it. Then watch the points as you turn it back and forth. Stop when the points are just breaking and tighten the bolts. Try starting and if it fires in the exaust and doesn"t try to run, you are off 180 degrees. Just swap the wires across from each other and try again. Fi it still won"t start, pull the cap and get the flywheel mark lined up. then look at where the rotor is pointing. It should be on # 1 or # 4. If not you have gear problems. Let us know what you find.

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El Toro

08-12-2007 14:44:29




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 14:26:51  
I would mark that timing mark with some white paint and I would use a timing light to check and set the timing. Hal
PS; Since we are in the computer age and don't use smoke signals anymore we should use current instruments available for setting the timing.



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georgeky

08-12-2007 14:46:58




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 Re: Farmall B - timing the engine when... in reply to El Toro, 08-12-2007 14:44:29  
Hal, I haven't had a bit of luck timing these old gals with a light. They have lots of wear and close is as good as that light gets. It will get in the ballpark, but the ear will have to find the sweet spot in most cases.



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georgeky

08-12-2007 14:40:38




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 14:26:51  
Number one should be on the top right corner of the cap looking towards the radiator. Approx, 1 o:clock. If your rotor is not close to that your distributor is off a tooth or two.



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Dave H (MI)

08-12-2007 15:12:41




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 Re: Farmall B - timing the engine when... in reply to georgeky, 08-12-2007 14:40:38  
That is what I was thinking. Can you give me an idea of what to do with it. Presuming that I need to rotate the whole thing to get it pointing correctly BUT don't want to step in over my depth so I will wait for some instruction.

I am assuming that the side of the rotor that should be pointing to #1 is the side that would contact #1 if the cap were on. That being said, the rotor is about 90 degrees off. I could use some instruction on the best way to correct this situation. Would it normally have run at all in this condition? Thanks guys!

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georgeky

08-12-2007 17:49:11




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 15:12:41  
Just do like Teddy said. It may take a try or two to get it to sit where you want it to. I assume since you are at TDC and you did find the timing mark it is not 180 out. But if so just start over and find TDC again and move your distibutor 180 and try it again. This is fairly simple once you catch on to it.



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Patrick Martin

08-12-2007 16:37:51




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 Re: Farmall B - timing the engine when... in reply to Dave H (MI), 08-12-2007 15:12:41  
Well if you are wanting to pull your distributor and re-stab it into position then there is an easy way to do it.

I don't remember if the distributor gear is helical cut or not but assuming that it is then you need to be sure to mark the location of the distributor housing on the block and on the distributor base with a black marker. Just a line will do. Pull the distributor out, the rotor will turn counter-clockwise a bit when you do. Now mark where the rotor is pointing on the edge of the distributor so you have this position logged.

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Patrick Martin

08-12-2007 16:41:34




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 Re: Farmall B - timing the engine when... in reply to Patrick Martin, 08-12-2007 16:37:51  
Wait up..... .isn't there a separate gear set inside the distributor body on these things. Can someone say for sure, I've forgotten what i did when I reset mine and I think what I said above is more of an automotive application.



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Patrick Martin

08-12-2007 16:55:20




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 Re: Farmall B - timing the engine when... in reply to Patrick Martin, 08-12-2007 16:41:34  
Hey Dave, I think all you need to do in this case is to remove the two distributor bolts and clamps, rotate the distributor where it is aligned center (cap clamps top and bottom), and pull it out and turn the rotor to wherever position you want it in.

Sorry bout the above, hope it didn't confuse you. I was thinking about something else.



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