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Front mount dist timing

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Phil (GA)

12-23-2001 13:47:05




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I've been fooling with timing my front mount for a while with some confusion. I attempt to follow the procedure in the FO manual but still don't think it's right. I built a jig to hold the tang at the 1/4" position but the distributor cam still won't touch the rocker on the points no matter how much I move the adjuster. What gives, am I really that stupid?

Thanks




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Bob (KY)

12-23-2001 20:13:38




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 Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 13:47:05  
Phil NO NEED to file out the slot on side of the housing! I had the same problem you've got and it's FRUSTRATING! (Mannn....this is hard to explain without being there)What you'll need to do is remove and reinstall the points till you get them to adjust right. The ones I had I couldn't even get the point gap set right. I had to remove/reinstall several times. It seemed to be that the adjust hole in the points wasn't quite right. I kept at it moving the points and the lock screw around, finally the points fell right in where they needed to go, set the point gap and THEN I was able to set the timing as per the manual with EASE.
It's like one of the other guy's said, it's probably the aftermarket points aren't quite right. I know I didn't have that kind of problem the last set I installed. Frustrating as it is keep at it, STUDY what's going on and you WILL get it done right.

Good Luck
Bob

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Jim

12-23-2001 19:44:36




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 Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 13:47:05  
Dear Phil, Dave, and Rob,
The last 8-N front mount I worked on had the same problem. I noticed the tang was worn some where it fit in the slot in the camshaft and I suppose the timing gears were worn some.

What I did was took a saw chain file and elongated the slot further down so I could rotate the adjustment further in the advanced direction. It worked fine, and I was able to make timing adjustments.

Jim

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Dave Smith

12-23-2001 16:05:12




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 Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 13:47:05  
Phil, It has been reported here that some of the after market points will not adjust enough to open.The fix is to file out the adjusting screw slot enough to be able to adjust them or get Ford NH points. Also the mechanical advance may be worn causing for problems in trying to set the timeing.
Dave <*)))><



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Phil (GA)

12-23-2001 16:34:11




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 Re: Re: Front mount dist timing in reply to Dave Smith, 12-23-2001 16:05:12  
I was able to achieve the correct point gap with no problem. The problem that I am having is that I am not able to get the advance/retard set according to the procedure in the FO-4 manual. It says that using a straight edge against the distributor tang..... ...adjust until the points just begin to open. Well, I cant ever get to the point were they just begin to open. The slot just isn't that long. What I have ended up with is the adjuster all the way down (looking in from left of tractor). It's running pretty good, but I get concerned when things don't work out like they are supposed to.

Thanks

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Rob

12-23-2001 17:00:46




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 Re: Re: Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 16:34:11  
Ok I give up. What is the "tang"? The way I read it and look at fig. 83 makes what you have said confusing. You put a straight edge against the tang? Seems like the tang is the "ear" that has the hole in it. You put the straight edge against the shaft and you measure off of the hole in the tang. Whatever it is it's confusing.



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Phil (GA)

12-23-2001 17:18:53




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 Re: Re: Re: Re: Front mount dist timing in reply to Rob, 12-23-2001 17:00:46  
Paragraph 87 in FO-4 "Place a straight edge against the tang on the side of the distributor shaft as shown in Fig. FO83". What I am trying to say is that using the procudere outlined in the manual I am not able to achieve the desired results. Point gap is fine, but the timing plate can not be adjusted far enough to get the points to "be just starting to open". I've been through the distributor and the advance is working smoothly.

Thanks

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Dave Smith

12-23-2001 18:13:16




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 Re: Re: Re: Re: Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 17:18:53  
Phill, Are you sure you are working off the correct side of the tang. The tang is not centered. In the fig FO83 it shows the straight edge on the larger side of the tang. If you are correct there the problem is more than likely the mechanical advance. It may be working properly but worn so the shaft is not in the right orentation.If you have the master parts catalog look at the side mount distributer break down. the mechanical avance is basically the same. The cross bar on the shaft with the angled slots and the pins on the fly weights that go into those slots could be worn. The catalog does not show that for the front mount distributer but it is the same. Also on mine I found the cross shaft itself was loose and would move back and forth on the shaft. I got a new one from Don B. and was able to time it dead nuts on in the center of the adjusting slot. $65.00 I think I paid. I hope that I was able to express well enough what I am trying to say. Also you might want to get new front and rear shaft bushings. Dave <*)))><

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Duane

12-23-2001 15:40:10




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 Re: Front mount dist timing in reply to Phil (GA), 12-23-2001 13:47:05  
Hi Phill! It sounds like you forgot to set the gap on the points. The point gap is as important as timing. Hope this helps? Duane



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