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Ford 8N Hydraulic system

P

pnickel

New User
I just installed a new hydraulic pump.cylinder and piston in my Ford 8N and the lift will not work. Do I need to prime the pump or bleed the system?
 
The pump is under the oil so you shouldn't have to prime. Do you have the pto. engaged and the clutch out. I put my top cover on one time and missed the opening in the actuator lever I felt a little foolish.
 
(quoted from post at 09:34:55 05/17/17) The pump is under the oil so you shouldn't have to prime. Do you have the pto. engaged and the clutch out. I put my top cover on one time and missed the opening in the actuator lever I felt a little foolish.
Click to expand...
Yes, I have done all that and it still won't work, the PTO works like it should, but no movement from the lift at all
 
Take the right side inspection plate off the one with the dip stick. Then look inside and watch for oil movement you should see very little oil moving. If you see oil moving very much that is where the problem is. You can also try moving the control by hand you may not have the control lever hooked up correctly or it maybe bent and if bent your 3 point will not work
 
If you're sure you got the tip of the lift control lever inserted into the hole in the valve control lever (as Eric O. would say on South Main Auto, it's the classic "reach around", where you lower the engine hoist with your left hand while reaching through the right inspection cover and guiding the lever into its hole with your right hand), did you do the quadrant adjustment? Maybe the quadrant support plate needs to be moved further backwards.

Did you replace the pressure relief valve in the pump, and is it screwed in tight?

How much UTTC fluid did you add after the rebuild? It takes a total of 5 gallons, assuming you drained the transmission and differential well, too. Don't rely on the dipstick in the right inspection cover because they often get all screwed up and read inaccurately. Instead, remove the lowest bolt from the right inspection cover and fill it until fluid begins to run out of that hole.
 
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