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Ford 801 Lift arm problems!

F

Fordman801

New User
Hi guys brand new to the forum! any way me and my dad are trying to get our 801 going again after sitting for a long time. So my problem is we can not get the lift arms to go up, if you put the lever up and lift the arms manually it will hold the arm up, but will not lift it. ok lets get this out the way lol, what we have done so far to fix it, rebuilt the pump, replaced all seals, there is no air in the fluid, and the pump is pumping fluid! so what the heck could it be! never had this problem in the past. thank you for any help or advice you can give :mrgreen:
 
(quoted from post at 18:57:02 09/28/14) Hi guys brand new to the forum! any way me and my dad are trying to get our 801 going again after sitting for a long time. So my problem is we can not get the lift arms to go up, if you put the lever up and lift the arms manually it will hold the arm up, but will not lift it. ok lets get this out the way lol, what we have done so far to fix it, rebuilt the pump, replaced all seals, there is no air in the fluid, and the pump is pumping fluid! so what the heck could it be! never had this problem in the past. thank you for any help or advice you can give :mrgreen:
Click to expand...
id you service the unloader valve?
 
(quoted from post at 16:45:08 09/28/14)
(quoted from post at 18:57:02 09/28/14) Hi guys brand new to the forum! any way me and my dad are trying to get our 801 going again after sitting for a long time. So my problem is we can not get the lift arms to go up, if you put the lever up and lift the arms manually it will hold the arm up, but will not lift it. ok lets get this out the way lol, what we have done so far to fix it, rebuilt the pump, replaced all seals, there is no air in the fluid, and the pump is pumping fluid! so what the heck could it be! never had this problem in the past. thank you for any help or advice you can give :mrgreen:
Click to expand...
id you service the unloader valve?
Click to expand...

yes changed all the seals in it to including the piston
 
(quoted from post at 22:06:17 09/30/14)
(quoted from post at 16:45:08 09/28/14)
(quoted from post at 18:57:02 09/28/14) Hi guys brand new to the forum! any way me and my dad are trying to get our 801 going again after sitting for a long time. So my problem is we can not get the lift arms to go up, if you put the lever up and lift the arms manually it will hold the arm up, but will not lift it. ok lets get this out the way lol, what we have done so far to fix it, rebuilt the pump, replaced all seals, there is no air in the fluid, and the pump is pumping fluid! so what the heck could it be! never had this problem in the past. thank you for any help or advice you can give :mrgreen:
Click to expand...
id you service the unloader valve?
Click to expand...

yes changed all the seals in it to including the piston
Click to expand...
Sorry , but "yes changed all the seals" is not the answer I was looking for. More like, 'yes, I verified that unloader valve spool was free to move & had the correct ring on it'.
This guy:

Also, when you lift the arms & they stay up, will they support any load, as in your standing on them?
 
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