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John Deere 2010 Lost Power steering and hydraulics.

S

Scjtractorb

New User
Working on a 2010 with no power steering or hydraulics. Drained the hydraulic oil and cleaned the filter screen that wasn't that dirty. Pulled the hydraulic pump off to check the shafts keys gears and bushings which all were in good shape. Put all new orings in the pump and also checking the valves and springs in the pump which looked good. Also pulled the valve out above the pump on the front of the transmission which looked good. Installed the pump using new orings and used John Deere hyguard in the transmission. Checked the destroke lever to make sure it was working correctly. Started up still no hydraulics or power steering. We're should I go next. Thanks for any information.
 
I have a 2010 which lost the power steering. Turns out the filter was dirty, which you checked. Low fluid?
The inlet Tube blocked? You checked these too. I can?t guess what else.
 
If you were accurate in your assessment of all the parts you checked it should be pumping!

Did you lube the pump to help it prime?

I would have used automatic transmission assembly lube or vaseline on the gears, etc..

But lets look at this from another angle... Does the PTO work? If NOT, likely you will find the splines on the "live" shaft out of the pressure plate and/or the internal splines stripped, or the hub ripped out of the pressure plate on the main clutch.
 
I I didn't actually prime the pump with any fluid. Used vaseline on the new orings. I turned the motor over before installing the pump and the shaft was turning. Sounded like the pump was pumping when I had it running. Broke the line loose on top of the pump and fluid was coming out. I'm going to try a pressure gauge in top of the rockshaft housing under the seat. There's a small plug you take out to check the flow.
 
(quoted from post at 19:12:23 12/28/19) Working on a 2010 with no power steering or hydraulics. Drained the hydraulic oil and cleaned the filter screen that wasn't that dirty. Checked the destroke lever to make sure it was working correctly. Started up still no hydraulics or power steering. We're should I go next.
Click to expand...

What type solvent did you utilize to clean filter screen? Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean".

Pump control linkage on left footrest isn't a ""destroking mechanism"" but is a pump drive disconnect because open center hyd pump on 2010 has no stroke.
 
(quoted from post at 06:21:35 12/29/19)
(quoted from post at 19:12:23 12/28/19) Working on a 2010 with no power steering or hydraulics. Drained the hydraulic oil and cleaned the filter screen that wasn't that dirty. Checked the destroke lever to make sure it was working correctly. Started up still no hydraulics or power steering. We're should I go next.
Click to expand...

What type solvent did you utilize to clean filter screen? Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean".

Pump control linkage on left footrest isn't a ""destroking mechanism"" but is a pump drive disconnect because open center hyd pump on 2010 has no stroke.
Click to expand...
I used a parts cleaning solution we have at work to clean the screen Then blew air thru it but never ran oil through it like you said .
 
The problem I'm having with your question is , we don't know what your 2010 tractor really is . Does it have a high/low reverse or a constant mesh transmission ? A high/low reverse transmission has an oil cooler in front of the radiator , a constant mesh transmission does not . Each has an oil pressure flow control valve in their systems . If some one has used silicon , to seal the transmission cover or other parts of the hydraulic system then it may have found it's way into the valve. The JD online catalog PC 731 , pages 102 and 103 shows the different locations for the valve .. but as others have indicated it may be the oil filter is still plugged. It has a micro screen and is very hard to clean . Over time , wax from the oil collects on it . I know people think spraying modern day cleaners take care of the wax , but the most effective way i have found is to use hot/hot water and soap to melt the wax, blowing air from the inside while it is submersed in the hot soapy water to dis-purse the wax . As Tx Jim wrote: " Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean".
That's all I can offer at the moment , good luck , if you cannot resolve the problem please post back with the serial number of your tractor and the type of transmission . Let us know the out come .
Jo
 
I believe there is a relief valve in the pump. There is also a lever on side of tractor that allows you to kick pump out of gear for ' cold start ' If you have to access pump it can be removed under belly of tractor with out splitting . But make sure pump is engaged, and if that does not help remove plate on bottom and tap pump. After that , if screen is clear, pump removal would be next step.
 
(quoted from post at 08:14:27 12/29/19) The problem I'm having with your question is , we don't know what your 2010 tractor really is . Does it have a high/low reverse or a constant mesh transmission ? A high/low reverse transmission has an oil cooler in front of the radiator , a constant mesh transmission does not . Each has an oil pressure flow control valve in their systems . If some one has used silicon , to seal the transmission cover or other parts of the hydraulic system then it may have found it's way into the valve. The JD online catalog PC 731 , pages 102 and 103 shows the different locations for the valve .. but as others have indicated it may be the oil filter is still plugged. It has a micro screen and is very hard to clean . Over time , wax from the oil collects on it . I know
Tpeoplee think spraying modern day cleaners take care of the wax , but the most effective way i have found is to use hot/hot water and soap to melt the wax, blowing air from the inside while it is submersed in the hot soapy water to dis-purse the wax . As Tx Jim wrote: " Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean".
That's all I can offer at the moment , good luck , if you cannot resolve the problem please post back with the serial number of your tractor and the type of transmission . Let us know the out come .
Jo
Click to expand...
This 2010 doesn't have hi lo I believe it is a late serial number tractor. The thing I'm not sure about is when I went to put the pump back on it's hard to see the mounting orings. I used vaseline to hold them in place but would I no if when got out of place. I don't have any leaks.
 
If it is a 2010 none had hi / lo All eight gears on one shifter on dash. I washed screen many times but finally had to buy a new screen, Had to start washing it again soon. Finally had to change pumps.
 
(quoted from post at 09:07:51 12/29/19) If it is a 2010 none had hi / lo All eight gears on one shifter on dash. I washed screen many times but finally had to buy a new screen, Had to start washing it again soon. Finally had to change pumps.
Click to expand...
I took the pump apart and looked at everything looked good. How do you tell above the wear in a pump. I guess the pump could be weak.
 
(quoted from post at 11:07:51 12/29/19) If it is a 2010 none had hi / lo All eight gears on one shifter on dash.
Click to expand...

I beg to differ with you. Ind 2010 tractors had hi-lo-reverser with separate trans control levers.

mvphoto47127.png


mvphoto47128.png
 
Take the filter / screen out. Fill it with oil. Run the air out of it. If you don't have anything, be sure that pump is fully engaged. Play with the lever on the side. That drive turns all time I think, but if it is not meshed into pump you won't have anything but a little friction turning the pump. Power steering usually goes before the lift when the screen stops up, but again, you can run without screen for trial. If your O-rings were not sealed I think you would have oil running out of tractor. I have some of those pumps lying around, but I would have no idea how good they are. And if the relief in the pump sticks open you are not gonna have much pressure.
 
(quoted from post at 11:54:21 12/29/19) Did he say he had an industrial with reverser? Sorry, I missed that.
Click to expand...


If I read original question correctly OP didn't state if he had Ag or ind 2010. I was just stating a 2010 could have h-low with reverser
 
(quoted from post at 11:54:21 12/29/19) Did he say he had an industrial with reverser? Sorry, I missed that.
Click to expand...


If I read original question correctly OP didn't state if he had Ag or ind 2010. I was just stating a 2010 could have h-low with reverser
 
(quoted from post at 11:34:33 12/29/19) I took the pump apart and looked at everything looked good. How do you tell above the wear in a pump. I guess the pump could be weak.
Click to expand...

You need to keep in mind that over the yrs many hyd pumps have been thought to be bad & replaced to find out that the replaced pump was not the problem. One needs to perform ""excellent diagnostics"" before condemning a hyd pump.
 
(quoted from post at 17:01:15 12/29/19)
(quoted from post at 08:14:27 12/29/19) The problem I'm having with your question is , we don't know what your 2010 tractor really is . Does it have a high/low reverse or a constant mesh transmission ? A high/low reverse transmission has an oil cooler in front of the radiator , a constant mesh transmission does not . Each has an oil pressure flow control valve in their systems . If some one has used silicon , to seal the transmission cover or other parts of the hydraulic system then it may have found it's way into the valve. The JD online catalog PC 731 , pages 102 and 103 shows the different locations for the valve .. but as others have indicated it may be the oil filter is still plugged. It has a micro screen and is very hard to clean . Over time , wax from the oil collects on it . I know
Tpeoplee think spraying modern day cleaners take care of the wax , but the most effective way i have found is to use hot/hot water and soap to melt the wax, blowing air from the inside while it is submersed in the hot soapy water to dis-purse the wax . As Tx Jim wrote: " Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean".
That's all I can offer at the moment , good luck , if you cannot resolve the problem please post back with the serial number of your tractor and the type of transmission . Let us know the out come .
Jo
Click to expand...
This 2010 doesn't have hi lo I believe it is a late serial number tractor. The thing I'm not sure about is when I went to put the pump back on it's hard to see the mounting orings. I used vaseline to hold them in place but would I no if when got out of place. I don't have any leaks.
Click to expand...
k, then I'll assume you have a constant mesh transmission. If the "O" was out of place their would be an oil leak around the pump mounting to the transmission cover case. Next thing I would check is the diverter valve as shown on pg. 103 of JD catalog PC 731. It's mounted in the trans cover, look in the round hole on the Rt. side of the bell housing . Be careful in taking out the bolts , the spring behind it will push it out with some force, you need to see which way the valve is pointed and be sure to put it in the way it came out. I had one valve where the spring was broke. That's where I have found sludge and bits , pieces of foreign material blocking the system. Do not allow the engine to start during the following procedure after you remove the valve , hold a rag over the hole and roll over the engine to clear the internal passage way to the the valve. If this does not fix the problem and you have successfully cleaned the filter, you may well need a pump replacement or repair. Of all the one's I have done, I never replaced or repaired a pump, but that's just my experiences.
Jo
 
when you say "destroke lever" do you mean the control next to the clutch pedal that will engage/disengage the pump? That should be used to decrease effort needed to start a cold engine. There is a roll pin on
the pump shaft that may be missing or damaged. just my 2 cents.
 
(quoted from post at 06:55:07 12/29/19)
(quoted from post at 06:21:35 12/29/19)
(quoted from post at 19:12:23 12/28/19) Working on a 2010 with no power steering or hydraulics. Drained the hydraulic oil and cleaned the filter screen that wasn't that dirty. Checked the destroke lever to make sure it was working correctly. Started up still no hydraulics or power steering. We're should I go next.
Click to expand...

What type solvent did you utilize to clean filter screen? Correct method to check screen for cleanliness is stand screen with open end UP in a drain pan then pour hyd oil in screen. If oil flows freely out of screen it's "clean". Drained the hydraulic oil today took out the screen put the back in started up have hydraulics and steering. Should I replace the filter or clean it better. Thanks.

Pump control linkage on left footrest isn't a ""destroking mechanism"" but is a pump drive disconnect because open center hyd pump on 2010 has no stroke.
Click to expand...
I used a parts cleaning solution we have at work to clean the screen Then blew air thru it but never ran oil through it like you said .
Click to expand...
 
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