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Subject: hydraulics on an 8N

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JerryMi    Posted 05-19-2018 at 09:57:48 [URL] [DELETE]        [Reply] [Email]  
  • hydraulics on an 8N
  • My problem is that when I raise the hydraulic lift it won't stop and goes all the way to the top. Does anyone have an answer that will fix this problem? I've replaced the cylinder, relief valve and changed the fluid. This didn't help.

    Jim    Posted 05-27-2018 at 07:46:35 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • There is a video you can purchase which goes into detail on repair and adjustment of the hydraulics on the 8N and others. I have to see it done before I can understand it fully.

    Tim Daley(MI)    Posted 05-20-2018 at 12:42:12 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • Also, where are you located in Michigan? I may be able to come by and look at your situation. My email is open...


    Tim Daley(MI)

    JerryMi    Posted 05-20-2018 at 20:11:41 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • Tim, Ilive in the area south and east of Eaton Rapids. I certainly dont want to have you go out of your way for my situation. I've read your article on fixing hydraulic problems and it gave me the courage to attempt fixing it myself. Ithink my next step will be to check the adjustment of the "springs"as directed in the manual. I do appreciate your offer ,but you have also given me a direction that i need to follow. before i ask you for further help. thanks again Jerry

    Tim Daley(MI)    Posted 05-21-2018 at 04:40:57 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hydraulics on an 8N
  • OK, glad to help -that's why we're here. I sent you an email...

    Tim Daley(MI)

    Tim Daley(MI)    Posted 05-20-2018 at 09:02:00 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hydraulics on an 8N
  • HiYa Jerry-
    OK, let's step back a minute here. You say "...when I raise the hydraulic lift it won't stop and goes all the way to the top...". With the (LH) PTO lever engaged, by using the (RH) Fingertip Lift Touch Control lever, when pulling it all the way to the top of the quadrant, it will raise the 3-point all the way up. Are you doing something different? When you replaced the cylinder, did you also install a new piston, the NAA type using the rubber O-Ring and leather backup wiper? It would have been prudent to also remove, inspect, and clean out the valve chambers at that time as well. Did you forget to install the drawbar control rod back into the pump base port? There are other things to check too like the cam follower pin for wear. Once all those are checked, other adjustments are detailed in the 8N Operator's Manual and I&T F-04 Manual too.
    This document may help some...see LINK below.

    Tim Daley(MI)

    JerryMi    Posted 05-20-2018 at 09:41:13 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • Tim thank you for your help. i will start with youp directions as soon as time will allow me to get back into it. because i'm retired and am more busy than when i was working. wil let u know of my progress ,thanks again.

    Tim Daley(MI)    Posted 05-20-2018 at 12:40:15 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hydraulics on an 8N
  • HAHAHAH -ain't that the truth! I'm also retired, well, semi-retired, but have my own tractor repair shop/business. It certainly doesn't pay any bills, and I can choose my work carefully, work when I want. I really don't do much repair/restoring the last few years, except for a select handful of friends. I spend most of my time busy rebuilding carbs, distributors, governors, starters, and generators. Being retired means more time, supposedly, since no more punching the clock or going to the office. Retired means there's more free time and yet no money to do the things we want to. When we worked, there was some money yet no time. Irony gets you every time...

    Tim Daley(MI)

    Jim    Posted 05-28-2018 at 16:02:03 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • When I was working I put things off for several years until I retired and now retired I can't get it all done. Perhaps I am just much slower.

    mike    Posted 05-20-2018 at 06:18:31 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • Jerry, not to steal your thread, but I had a similar issue yesterday on my 48 8N. The lift would stick in the raised position but would drop if I moved the position control lever down and back to the raised position.

    TheOldHokie    Posted 05-19-2018 at 11:04:55 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hydraulics on an 8N
  • Does it have a position/draft control selector lever on the hydraulic top cover?

    TOH

    JerryMi    Posted 05-19-2018 at 20:22:10 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • My 8n is a 1952 model, after changing the fluid and installing the new parts it wouldn't lift when in the down position, but as soon as i pulled the lever up right the hydraulics started to lift as it did last year. that where i have left it and just came in from moving with a woods mower model 39 that i use on my 4 acres of grass. please and thank you for your prompt response if this helps you.

    JMOR    Posted 05-19-2018 at 10:37:22 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hydraulics on an 8N
  • Does it act the same whether in Draft or Position control mode?

    JerryMi    Posted 05-19-2018 at 20:35:49 [URL] [DELETE]        [Reply] [Email]  
  • Re: hydraulics on an 8N
  • It wouldnt lift in the down position after changing the new parts and fluid,but did in the upright position. my 1952model is doing exactly whatit did last year and will not hold only a partial lift but continues to go right on up as far as the top. I have to take it out of hydraulic gear to stop it from going to the top. Thanks for your help in my problem.

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