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39 model 9N lift fix today (and yesterday)

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ZANE

06-04-2003 19:27:42




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A friend brought me his 9N to fix the lift and the first thing I found was that the control valve was stuck in the down position. I took the side plates off and tried to wiggle the control valve to get it to go forward but it would just stick every time so I had to drop the pump after the usual sloppy job of draining all the oil and pulling the PTO shaft etc. When I got the pump out the valve still would not go forward so I decided to look inside at the spools bore. There was a sliver of metal sticking down from one of the ports in the spool. I then started looking at the scots yokes and found one of them broken into. I am thinking that a part of the yoke is what was in the control valve spool. I blew out every thing after I got the pump chambers off the pump housing and then the control valve worked OK.

Had to order a new yoke for the pump and when it came today I put the pump back together and installed it. Then I decided to tighten up the draft spring which was pretty sloppy. Naturally I had to heat the thing red hot to ever get it to move. I took the yoke completely off so I could free up the threads and get it back tight easier. Even then it got pretty tight before the slack was all out of the spring. In the process of twisting the yoke a little harder than I wanted somehow the control arms came disconnected again and I had to pull the inspection plates off to put them back on again. I had put them on through the drain hole the first time and that is a lot easier to do than through the inspection holes and with the reservior full of oil. I was a mess and about ready for the crazy house by the time I got them back on the second time.

Installed a ZANE THANG on it too and when the owner came to get it he was thrilled with the thing working good and actually having position control for the first time since he bought it 40 years ago.

Now that makes me feel good!

Zane

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Barnstormer

06-05-2003 04:27:50




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 Re: 39 model 9N lift fix today (and yesterday) in reply to ZANE, 06-04-2003 19:27:42  
Good Morning, Zane!
When we think we have seen it all, another variation sneeks up and challenges our senses. That is what keeps us from getting bored. Another N will live on to do the work an owner can devise.



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Tom T.

06-04-2003 21:15:12




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 Re: 39 model 9N lift fix today (and yesterday) in reply to ZANE, 06-04-2003 19:27:42  
ZANE,

It`s posts like this, from you, DELL, CLAUS, and the many others, that make the rest of us want to tackle most of the repairs ourselves. you guys give us the sense of "What the heck" If they can do it, I can do it.

I recently took the DAVIS loader off my 9n, and split it {twice} replaced the coupler, put it all back together, and it works better than ever.

Thanks for posting, and showing us we can do it too.

Tom T.

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