Hydraulic Lift does not lift after changing fluid

Sam Sevier

New User
Replaced old M2C234D with new M2C234D. Now lift does not work. Appears the pump did not take in any fluid. The 5 quart capacity over fills causing the dip stick to show an over full hydraulic case.

I read the manuals without finding anything that helps, perhaps I missed it.
You input is needed and appreciated.
Thanks
Sam
 
(quoted from post at 12:56:56 08/05/17) Replaced old M2C234D with new M2C234D. Now lift does not work. Appears the pump did not take in any fluid. The 5 quart capacity over fills causing the dip stick to show an over full hydraulic case.

I read the manuals without finding anything that helps, perhaps I missed it.
You input is needed and appreciated.
Thanks
Sam

What model tractor? The N-series holds a lot more than 5 quarts....

TOH
 
Sam.........somehow yer hydro fluid number donna make sense. I hobbled out to check my supply. I gotts M2C-134D. (5-gals worth) Ya shure ya gotta NAA-Jublee? 'cuz I seem to remember the 600-series hadda seperate small hydraulic chamber........notta expert Dell
 
8n's hold 5 gallons, not sure of the Jubes. If the Jubes are like my 801 then I will have to look it up.but I believe it is 2gallons
 

tractordata.com says 2 gallons for the hydraulics, and 8 quarts for the rear end :lol:

i'm disappointed to see the trans holds 5 quarts. i was expecting a capacity in ounces there.
 
Charts says two gallons
a168119.jpg
 

Sam, after putting the correct amount of oil in you should make a new mark on your dipstick which apparently is for a different tractor.
 
Anyone have knowledge of how to bleed the hydraulic pump lines for my 1953 Ford Golden Jubilee NAA? All the lines appear to be insisde the housing.
 
(quoted from post at 14:58:55 08/06/17) Anyone have knowledge of how to bleed the hydraulic pump lines for my 1953 Ford Golden Jubilee NAA? All the lines appear to be insisde the housing.

There is an Allen screw on the top of the pump.
 
(quoted from post at 18:58:55 08/06/17) Anyone have knowledge of how to bleed the hydraulic pump lines for my 1953 Ford Golden Jubilee NAA? All the lines appear to be insisde the housing.

gonna need some more info on your tractor.
A Jubilee/NAA has external hydraulic lines running underneath.
A Hundred series will have internal lines.

Hydraulic pump, both could have either a piston pump or a vane pump.
They bleed/prime different.
Piston pump which has a round profile...pipe plug on top, at the forward end to bleed/prime it.
Vane pump which has a squarer profile..Stick an air nozzle in the hydraulic dipstick hole with the engine running and the lift control up.
If that doesn't work, there is a pipe plug under the right floorboard on the hydraulic chamber. Take the plug out, start the tractor at the lowest idle possible, wait for oil to pump out the hole.
Quickly, shut it down and put the plug back in and re-start.

Either/Or tractor...hydraulic chamber holds about 2 gallons.
 

I checked and sure enough there are hydraulic line under the housing. The pump is as shown in the Ford Tractor NAA Service and Shop Manual on page 323. If needed , do you think Yesterday's has a refurbished they will sell me?
 
(quoted from post at 09:35:18 08/07/17)
I checked and sure enough there are hydraulic line under the housing. The pump is as shown in the Ford Tractor NAA Service and Shop Manual on page 323. If needed , do you think Yesterday's has a refurbished they will sell me?

So do you have a vane pump or the upgraded piston pump? Vane is square, piston is round.
 
I have been restraining my self for two days & am losing my grip...........just put the old fluid back. :wink:
 
(quoted from post at 15:07:50 08/08/17) I have been restraining my self for two days & am losing my grip...........just put the old fluid back. :wink:

That was a good one..
Made me laugh...
 
(quoted from post at 23:50:42 08/08/17)
(quoted from post at 15:07:50 08/08/17) I have been restraining my self for two days & am losing my grip...........just put the old fluid back. :wink:

That was a good one..
Made me laugh...
ood...I'm happy
 

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