ford 8n hydraulics

got an 8n and put new upper cylinder and piston in it and when raised up if i slow the engine down it will leak down speed engine up it will
lift up, so now i was using it the other day and it would not go down and when it did it was slow anyone got an idea whats going on thanks
for any info
 
The lift cylinder is only half of the system.

When is the last time you dropped the pump & cleaned it out?

See tip # 16. Look in there and post back w/ what you see. Make sure the control rod is attached to the pump and moves when you move the touch control lever.

If it won't go down, reach in there carefully and push the control rod to the rear. What happens?
75 Tips
 
I took side cover off was full to bottom bolt started and looked like pump was working fluid was swirling didn't see and leaking around top it was going down now I'm getting a knock while its running but being doing that a while I cleaned out pump when I put cylinder new piston in could it be the rings or o ring wrong or what else the lift handle doesn't feel like it has any pressure on it very easy to lift and lower handle but seems to work okay next
 
Yes I saw It move I have my scrape blade on Wedit lifted fine and the other day I had my harrows on it lifted them high just when I idled down or shut off they went down and if I pushed clutch in same thing
 

Sounds like the first one I replaced the piston rings with a
NAA O-ring... It blew out the leather backer washer : ( The lift worked on as soon as you shut it off what was on the back dropped...
 
Yes I saw lever move , the pump is swirling fluid and its full of fluid what else can be going on one person said felt on the piston could be cause what u think
 

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