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Subject: Removing the #546 Yoke and #547 Spring

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Dave(CO)    Posted 05-16-2019 at 13:54:20 [URL] [DELETE]        [Reply] [Email]  
  • Removing the #546 Yoke and #547 Spring
  • Gang,
    I'm restoring a late 8N and want to remove the yoke and spring for clean up. I also want to avoid tampering with the pump and any related hydraulics, which are working fine.

    Is it as simple as removing the 3 bolts in the #624 plate?

    BTW, any Ford 8N fans out this way? I'm in Castle Rock about 20 miles south of Denver.


    JMOR    Posted 05-16-2019 at 15:27:45 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Removing the #546 Yoke and #547 Spring
  • Sorry, but not that simple. You have to un-screw the yoke from the draft control plunger which is inside the spring and it is pinned to the internal hydraulic linkage. Usually firmly rusted threads from 70 years of rusting. Generally oxy/acety heat required to remove. Too much force and you will damage the hyd linkage. Might want to re-think, "just how bad do I want to remove that?".

    Kimberly    Posted 05-27-2019 at 13:17:12 [URL] [DELETE]        [Reply] [Email]  
  • Re: Removing the #546 Yoke and #547 Spring
  • Yes, I removed mine with the lift cover off and it was not an easy job; of course I only had a propane torch to heat with. With the cover off; I blocked the control plunger so that excessive force was not being applied. With the cover in place, you could try removing the plate and then reach in and try to remove the split pin (cotter pin) that holds it in place. I think I saw on the internet where someone did that. Then with the whole unit out, you heat and work to unscrew.

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