Ford 9N more hydraulic problems? Plus how to post for newbies.

Kondoge

Member
Location
AB Canada
So I intend this post to get help on my hydraulic issue but also as a how to post proper for newbies. I notice a lot of newbies and newcomers get lost on how to post so this should hopefully at bare minimum set a half decent example of how to do it right, if it doesn't do that well it can always be used as a bad example for how not to.

So the other day I attached a two bottom plow to my 1940 9N, I had to put the engine to almost full throttle to get the plow to raise. When the plow raised up it raised really slow, I'm talking easy 45 to 50 seconds to get it all the way up. So to double check that it's an issue I attached my back blade (which was raised with zero issues before) now it barely raises the back blade as well.

My 9N still has the stock hydraulic system, the one without position control and it has not had an upgraded piston put in the ram, it has the one with three metal rings on it. the hydraulic pump has had a few things replaced namely the: gaskets, the release valve, and the control valve. The gaskets I custom made out of a rubbery papery material so it doesn't blow chunks out anymore. I use Universal tractor fluid (UTF) that is of the correct type and has a rating of 10w30, I use this because here in Canada Sae 80w90 would not work due to the cold.

Here is what I have checked, fluid levels (hydrotransdiffy oil) are proper, ensured the gasket has not blown up again, have seen that the ram cylinder piston does have a little leak (spotted a few months ago with the back blade on), the draft is adjusted proper, the quadrant is adjusted properly. I have also ensured that the control valve moves freely. I do also notice that my lift seems to work better right at startup when the oil is not warm.
Now i'm thinking it could be the ram piston and its leakage, are there any other things I should check up on? could it maybe just be air in the system?


How to post: include as much information on the issue as you possibly can, include things like what have you checked, how does the issue affect the machine, what procedures have you done to try and correct the issue? (if any) or In case of hydraulics or engines what kind of oil you use, or maybe you include what you did right before the issue started. Incase of electrical maybe you include a diagram you followed or meter readings during testing.

When you get a response DON'T brush it off like you know better (remember why you are here, you are here for help), the chances are the other people here know better and have way more experience. DO NOT lie and don't give false information, that doesn't help any all it does is make it harder for people to help you. Make sure you answer questions that are asked, those questions are asked so people have more to go off of to help you solve the issue.
 
So I intend this post to get help on my hydraulic issue but also as a how to post proper for newbies. I notice a lot of newbies and newcomers get lost on how to post so this should hopefully at bare minimum set a half decent example of how to do it right, if it doesn't do that well it can always be used as a bad example for how not to.

So the other day I attached a two bottom plow to my 1940 9N, I had to put the engine to almost full throttle to get the plow to raise. When the plow raised up it raised really slow, I'm talking easy 45 to 50 seconds to get it all the way up. So to double check that it's an issue I attached my back blade (which was raised with zero issues before) now it barely raises the back blade as well.

My 9N still has the stock hydraulic system, the one without position control and it has not had an upgraded piston put in the ram, it has the one with three metal rings on it. the hydraulic pump has had a few things replaced namely the: gaskets, the release valve, and the control valve. The gaskets I custom made out of a rubbery papery material so it doesn't blow chunks out anymore. I use Universal tractor fluid (UTF) that is of the correct type and has a rating of 10w30, I use this because here in Canada Sae 80w90 would not work due to the cold.

Here is what I have checked, fluid levels (hydrotransdiffy oil) are proper, ensured the gasket has not blown up again, have seen that the ram cylinder piston does have a little leak (spotted a few months ago with the back blade on), the draft is adjusted proper, the quadrant is adjusted properly. I have also ensured that the control valve moves freely. I do also notice that my lift seems to work better right at startup when the oil is not warm.
Now i'm thinking it could be the ram piston and its leakage, are there any other things I should check up on? could it maybe just be air in the system?


How to post: include as much information on the issue as you possibly can, include things like what have you checked, how does the issue affect the machine, what procedures have you done to try and correct the issue? (if any) or In case of hydraulics or engines what kind of oil you use, or maybe you include what you did right before the issue started. Incase of electrical maybe you include a diagram you followed or meter readings during testing.

When you get a response DON'T brush it off like you know better (remember why you are here, you are here for help), the chances are the other people here know better and have way more experience. DO NOT lie and don't give false information, that doesn't help any all it does is make it harder for people to help you. Make sure you answer questions that are asked, those questions are asked so people have more to go off of to help you solve the issue.
It's been a while since I worked on an N but most of the Fords are pretty similar back there.
Open the round cover on the side then start the tractor and raise the 3 point - preferably with a good load on it.
Look inside and see how much oil is leaking down. If it is raining down pretty heavily you can bet your lift piston seals are shot.
 
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I had the same lifting issue on my ‘39 9N many many moons ago. As I recall, I took out the pump and replaced one of the metal rings with a leather one. This solved the issue. Obviously not a professional rebuild but the kind of thing that one might do to fix a workhorse rather than a show horse.

Now I am lucky to remember what I ate for breakfast. Hopefully some of the more experienced hands can tell if I am remembering this “fix” correctly. Can this simple fix work? Would it be a good idea for Kondoge? Am I hallucinating?

Chris from CLE
 
Upvote 0
So I intend this post to get help on my hydraulic issue but also as a how to post proper for newbies. I notice a lot of newbies and newcomers get lost on how to post so this should hopefully at bare minimum set a half decent example of how to do it right, if it doesn't do that well it can always be used as a bad example for how not to.

So the other day I attached a two bottom plow to my 1940 9N, I had to put the engine to almost full throttle to get the plow to raise. When the plow raised up it raised really slow, I'm talking easy 45 to 50 seconds to get it all the way up. So to double check that it's an issue I attached my back blade (which was raised with zero issues before) now it barely raises the back blade as well.

My 9N still has the stock hydraulic system, the one without position control and it has not had an upgraded piston put in the ram, it has the one with three metal rings on it. the hydraulic pump has had a few things replaced namely the: gaskets, the release valve, and the control valve. The gaskets I custom made out of a rubbery papery material so it doesn't blow chunks out anymore. I use Universal tractor fluid (UTF) that is of the correct type and has a rating of 10w30, I use this because here in Canada Sae 80w90 would not work due to the cold.

Here is what I have checked, fluid levels (hydrotransdiffy oil) are proper, ensured the gasket has not blown up again, have seen that the ram cylinder piston does have a little leak (spotted a few months ago with the back blade on), the draft is adjusted proper, the quadrant is adjusted properly. I have also ensured that the control valve moves freely. I do also notice that my lift seems to work better right at startup when the oil is not warm.
Now i'm thinking it could be the ram piston and its leakage, are there any other things I should check up on? could it maybe just be air in the system?


How to post: include as much information on the issue as you possibly can, include things like what have you checked, how does the issue affect the machine, what procedures have you done to try and correct the issue? (if any) or In case of hydraulics or engines what kind of oil you use, or maybe you include what you did right before the issue started. Incase of electrical maybe you include a diagram you followed or meter readings during testing.

When you get a response DON'T brush it off like you know better (remember why you are here, you are here for help), the chances are the other people here know better and have way more experience. DO NOT lie and don't give false information, that doesn't help any all it does is make it harder for people to help you. Make sure you answer questions that are asked, those questions are asked so people have more to go off of to help you solve the issue.
I will keep it short and simple - a guideline I suggest for all posters. You either have very low flow or a leak in the lift circuit.

1) You can check flow by connecting a low pressure hose or tube to the test port. Thread size is 1/2-20. Put the end in the hydraulic filler and move lever to raise. You should get a nice continuous stream from the hose. If not you have an issue in the pump

2) If you have good flow you have a leak in the lift circuit. There are multiple possibilities but a leaking lift cylinder is number one.

TOH
 
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Upvote 0
I had the same lifting issue on my ‘39 9N many many moons ago. As I recall, I took out the pump and replaced one of the metal rings with a leather one. This solved the issue. Obviously not a professional rebuild but the kind of thing that one might do to fix a workhorse rather than a show horse.

Now I am lucky to remember what I ate for breakfast. Hopefully some of the more experienced hands can tell if I am remembering this “fix” correctly. Can this simple fix work? Would it be a good idea for Kondoge? Am I hallucinating?

Chris from CLE
The ol 9N aint no show piece, but it is 100% a workhorse.
Now i'm thinking it could be the ram piston and its leakage, are there any other things I should check up on? could it maybe just be air in the system?
Glad I ain't the only one that read that as an episode ending style dramatic dialogue.
 
Upvote 0
I will keep it short and simple - a guideline I suggest for all posters. You either have very low flow or a leak in the lift circuit.

1) You can check flow by connecting a low pressure hose or tube to the test port. Thread size is 1/2-20. Put the end in the hydraulic filler and move lever to raise. You should get a nice continuous stream from the hose. If not you have an issue in the pump

2) If you have good flow you have a leak in the lift circuit. There are multiple possibilities but a leaking lift cylinder is number one.

TOH
What do I put the tube in to prevent spillage? a container so that I can pour the oil back in or do I just run the line a lot longer and right to the transmission filler plug?
 
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Also would the check chains being installed upside down holding the bottom arms down cause the rings to blow out when the pump tries to lift the arms all the way up when it can't? I did fix the chains now but just wondering if that has had anything to do with the problem.
 
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What do I put the tube in to prevent spillage? a container so that I can pour the oil back in or do I just run the line a lot longer and right to the transmission filler plug?
Right into the transmission filler. Its low pressure so a piece of vinyl tube from your local box store is all you need. Old garden hose would work. Total length is maybe 4 feet.

TOH
 
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So I intend this post to get help on my hydraulic issue but also as a how to post proper for newbies. I notice a lot of newbies and newcomers get lost on how to post so this should hopefully at bare minimum set a half decent example of how to do it right, if it doesn't do that well it can always be used as a bad example for how not to.

So the other day I attached a two bottom plow to my 1940 9N, I had to put the engine to almost full throttle to get the plow to raise. When the plow raised up it raised really slow, I'm talking easy 45 to 50 seconds to get it all the way up. So to double check that it's an issue I attached my back blade (which was raised with zero issues before) now it barely raises the back blade as well.

My 9N still has the stock hydraulic system, the one without position control and it has not had an upgraded piston put in the ram, it has the one with three metal rings on it. the hydraulic pump has had a few things replaced namely the: gaskets, the release valve, and the control valve. The gaskets I custom made out of a rubbery papery material so it doesn't blow chunks out anymore. I use Universal tractor fluid (UTF) that is of the correct type and has a rating of 10w30, I use this because here in Canada Sae 80w90 would not work due to the cold.

Here is what I have checked, fluid levels (hydrotransdiffy oil) are proper, ensured the gasket has not blown up again, have seen that the ram cylinder piston does have a little leak (spotted a few months ago with the back blade on), the draft is adjusted proper, the quadrant is adjusted properly. I have also ensured that the control valve moves freely. I do also notice that my lift seems to work better right at startup when the oil is not warm.
Now i'm thinking it could be the ram piston and its leakage, are there any other things I should check up on? could it maybe just be air in the system?


How to post: include as much information on the issue as you possibly can, include things like what have you checked, how does the issue affect the machine, what procedures have you done to try and correct the issue? (if any) or In case of hydraulics or engines what kind of oil you use, or maybe you include what you did right before the issue started. Incase of electrical maybe you include a diagram you followed or meter readings during testing.

When you get a response DON'T brush it off like you know better (remember why you are here, you are here for help), the chances are the other people here know better and have way more experience. DO NOT lie and don't give false information, that doesn't help any all it does is make it harder for people to help you. Make sure you answer questions that are asked, those questions are asked so people have more to go off of to help you solve the issue.
So I just made my first post and if anything I felt I Needed to say more but it was getting too long winded. As a senior service technician that fields the "help me" calls I can assure you I will try any advice sent my way. Nothing os more annoying that the follow up call an hour later only to hear..."yeah I know you said do that, but I went a different direction " WTH? you called me!!!
 
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