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Yesterday's Tractor Forums
  1. O

    Massey 451 exhaust

    I am looking at a 2003 451 2WD tractor with 450 hours, but when i look it up on line I see some with the exhaust on the left side of the tractor and some on the right side of the tractor. Why??? whats the diffrance?
  2. O

    Cat 941 for sale in Livingston Texas

    Hello all Just thought I would let you know that there is a cat 941 Traxcavator for sale in Livingston Texas, I was told it runs strong and works well. The guy is asking $6000,00 for it. I looked at it but it is too big a machine for me. I took some pic's if you want them.
  3. O

    310a backhoe High idle and kill not working.

    I understand that you need to know more, my question is when this happened i noticed that the tank was empty. It might have just ran out of fuel. I pulled the cover from the kill solinoied and ther was NO dirt or pecies of ring anywhere. I put more diesel in the tank resterted it for a moment...
  4. O

    310a backhoe High idle and kill not working.

    Can anyone tell me more about this? and the best way to correct? Chris
  5. O

    310a backhoe High idle and kill not working.

    The shut-valve in the pump is totally hydraulic. If fuel gets air in it, the shut-off valve will not work. When you turn the key to "off", the electric solenoid collapes and allows a strong spring to push against that valve. If it has air around it, the engine will keep running and surging...
  6. O

    310a backhoe high idle!!

    Can you tell me more about this and how to correct it?
  7. O

    310a backhoe high idle!!

    I do think it was running out of fuel when this happened. could low fuel cause the engine to run high rpm? and also make the kill solenoid not work? is that what you are saying? and if so what is the best way to correct this?
  8. O

    310a backhoe high idle!!

    I understand why the govenor would cause a run high idle, but why would the kill not work? Could it just be a linkage inside that has come undone?
  9. O

    310a backhoe high idle!!

    why did the kill solenoid not work
  10. O

    310a backhoe high idle!!

    I have another question for you. I ran the backhoe today and i started feeling the rpm rise. I stoped the machine and found that the kill switch did not stop the engine, it slows down but does not kill it. It was very low on fuel so i added some fuel. I started it again and it wants to go to a...
  11. O

    Hydraulic pump on JD 310a

    Hello Jonathan I pulled the priority valve today and found that the spring loaded valve had been floating and has worn down and is now half missing, this was allowing a lot of oil to pass through and then dump back into the trans case through the 1/4 in hole at the back of the valve. I have...
  12. O

    Hydraulic pump on JD 310a

    Thank you to all, i will continue to try and find out why I have slow and weak haydraulics. I do get 2200psi with the output capped, so I will look for the leak downstream. I still think it might be with the priority valve. People say that they can cause slow and weak hydraulics, not sure how...
  13. O

    Hydraulic pump on JD 310a

    If anyone out there has a John Deere 310a Backhoe, could you send or post any photos or tell me where the destrole pressure adjustment screw is on your tractor.( top- bottow- side- left or right.) I wonder if my pump head might be assembled incorrectly?
  14. O

    310a backhoe weak and slow hydraulics

    Here is what I have: Capped of output line from pump after the tee for the power steering and started backhoe, pump pressure went right up to 2600psi. Stopped motor and backed off stroke pressure control valve, restart pressure went right to 1100psi adjusted stroke pressure valve in to set at...
  15. O

    310a backhoe weak and slow hydraulics

    the lower test port on the right side looking from the driver seat. At idle 0 psi at 1000rpm 0 psi at 2000rpm 0 psi
  16. O

    310a backhoe weak and slow hydraulics

    I did a pressure test on the backhoe today and the results or. the lower test port on the right side looking from the driver seat. At idle 0 psi at 1000rpm 0 psi at 2000rpm 0 psi The upper test port. At idle 250 psi At 1000rpm 1000 psi At 2000 rpm 1200 psi. When i activate any cylinders it...
  17. O

    Weak Hydraulics on 310A backhoe

    Thanks to all... I have the test plug on order, it is $40 but I can't yell about that. I know the Solenoid valve is leaking and I think that any bit of a leak at 2200 psi will be shutting down my pump from loading. I pulled one piston and see that the pump bearing is clean and clear so the...
  18. O

    Weak Hydraulics on 310A backhoe

    Thank you. Do you know what the price may be? Or does anyone know a part number for this plug?
  19. O

    Weak Hydraulics on 310A backhoe

    Hello all. I just pulled the destroke solenoide for the main Hydraulic pump on my JD 310A backhoe. I found that I can blow through the closed valve slightly. Could this be the cause for the low pressure and slow hydraulics on my machine ?? I think I might have found the problem, let me know...
  20. O

    Pump Destroke valve

    Hello all. I just pulled the destroke solenoide for the main Hydraulic pump on my JD 310A backhoe. I found that I can blow through the closed valve slightly. Could this be the cause for the low pressure and slow hydraulics on my machine ?? I think I might have found the problem, let me know...
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