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Ford Tractors Discussion Forum
Show Parts for Model:

Re: SOS Band adjustment warning

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Larry NCKS

04-17-2013 19:25:11
70.195.64.53



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In our defense, us "experts" that is, I've never encountered that problem. Therefore, it did not occur to me that one might. Your B2 was not applying for reasons other than the little pin that is the common culprit. That may mean your B2 was not in the shape most are and let the strut drop for that reason.




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jeff pk

04-18-2013 10:45:51
50.39.128.154



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 Re: SOS Band adjustment warning in reply to Larry NCKS, 04-17-2013 19:25:11  
I guess even the "experts" can learn new things...

A couple of questions:

The little pin is on the servo to #3 band, so how is that connected to B2 not applying?

Can I safely work on the engine without damaging the SOS more---keeping the traction lever disengaged? I don't want that loose strut getting into a moving part...

Thanks for the input...



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Larry NCKS

04-18-2013 11:52:53
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 Re: SOS Band adjustment warning in reply to jeff pk, 04-18-2013 10:45:51  
The little pin connects a sequencing or timing valve to servo 3. This valve works with servo 3 to keep B2 from applying simultaneously with B3. If the pin is broken or gone the valve stays in position where B2 thinks B3 is still applied.

You can do anything you want to the engine and it will not hurt the SOS . . . unless you run it without oil in the SOS.



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jeff pk

04-18-2013 13:22:37
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 Re: SOS Band adjustment warning in reply to Larry NCKS, 04-18-2013 11:52:53  
So, if it's acting like the sequencing valve is broken, but it's not, what else could be causing that action?



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Larry NCKS

04-18-2013 14:29:04
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 Re: SOS Band adjustment warning in reply to jeff pk, 04-18-2013 13:22:37  
I already answered that question once.

"Re: Technically challenged SOS repair in reply to jeff pk, 04-16-2013 16:03:36
I've forgotten - why did we suggest this pin to begin with? Are you missing 5,6,7 & 8? If so remind us which tractor you have again. If this is the scenario, B2 is failing to apply for some reason. The little pin is the most common culprit. Since this is a spring applied band, one would guess a sticking B2 valve keeping hydraulic pressure applied as the next most likely cause. Either that or the band is shot, broken or not adjusted properly.
Since you believe you've dropped a strut anyway, you'll likely get the chance to look the innards over well. Check it all out. Let us know what you find."
This post was edited by Larry NCKS at 14:30:38 04/18/13.

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jeff pk

04-18-2013 16:33:03
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 Re: SOS Band adjustment warning in reply to Larry NCKS, 04-18-2013 14:29:04  
Thanks for the re-reply Larry.



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