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Recent content by mercury65

Yesterday's Tractor Forums
  1. M

    2520 pump

    I have had good luck when installing the washers , just snug the up enough so you can start the tractor, and than loosen each one off and let the fuel wash them clean, after a second or 2 you can tighten them and 99% of the time the leak is gone
  2. M

    late model 3020 Transmission Pump

    Hay Dan yes the trans pump can be changed , and it is quite easy to do , remove the top cover (it is the casting that the seat bolts to)or if you have 3 PT hitch its just a bigger cover.just in front of the diff carrier you can see the pump bolted to the back of the top shaft, you will have to...
  3. M

    7700 need help with no drive

    yes the hydraulics are working , i should have mentioned i installed a new hydraulic pump due to the lower than nornal presures , i have also repaired a leak in the pto brake piping , i had a cracked fitting feeding the brake , i have since resplit at the clutch and removed and disassembled the...
  4. M

    7700 need help with no drive

    is there a spline at the rear end of the transmission somewere
  5. M

    7700 need help with no drive

    i removed the hyd pump and put a small pipe wrench on the shaft , i was able to roll the tractor with this , and when i held it there was no way i could roll the tractor
  6. M

    7700 need help with no drive

    tractor stopped moving in field , checked hi low presure found it at 120 psi in hi and low , resealed hi low and installed new clutch and presure plate while i was in there , reassembled all and tested , same problems , replaced hyd pump with new one and retested , same problem , unit will just...
  7. M

    1937 JD Tractor

    HOPE THIS HELPS
  8. M

    Thoughts on JD 46 Loader

    I LIKE THE 46 LOADER MYSELF , IT IS LIGHT BUT FOR WHAT YOU ARE TALKING ABOUT YOU WONT HAVE ANY TROUBLES , WE USED THEM ON 2 DIFFERENT 4020S AND THEY WORKED GREAT FOR MOVING ROUND BALES , BUT YOU NEED TO LOCKTIGHT ALL YOUR SIDE FRAME BOLTS TO MAKE SURE NOTHING MOVES AFTER YOU HAVE THE LOADER...
  9. M

    4010 HDY pump

    THE PUMP WILL DROP OUT THE BOTTOM AS ONE PIECE WITH THE SUB FRAME THAT ATTACHES TO THE ENGINE , AFTER THAT THE DISASSEMBLY IS QUITE SIMPLE , REMOVE THE 4 BOLTED HEAD ASSEMBLY , REMOVE AND KEEP TRACK OF THE LOCATIONS FOR ALL THE PISTONS , REMOVE THE SHAFT AND CHANGE OUT THE SEAL, IVE ALWAYS USED...
  10. M

    John Deere 720 head gasket

    IVE HAD NO TROUBLES WITH THE JD GASKETS OTHER THAN PRICE , MOST OF THE DEALERS HAVE TO ORDER THEM IN THESE DAYS
  11. M

    John Deere 720 head gasket

    IVE HAD NO TROUBLES WITH THE JD GASKETS OTHER THAN PRICE , MOST OF THE DEALERS HAVE TO ORDER THEM IN THESE DAYS
  12. M

    3020 Pto/Clutch release bearing

    THE SLEAVE IS ONLY IN A SHORT DISTANCE DONT DISTORT IT OR THE THROWOUT BEARING WILL NOT TRAVEL FREELY , IVE REMOVED MANY JUST BY TAPPING SIDE TO SIDE AND IT SHOULD WALK OUT ON ITS OWN
  13. M

    4230 hydraulics

    the 20&30 series jd,s had the trans pump on the end of the transmission top shaft , every time you push in the clutch the top shaft stops turning , not much you can do to help that part of it, you may simply have a sticking stroke control valve in the main pump, they are around 100 bucks plus...
  14. M

    2750 running hot

    Jim if you have access to a small press the pump isnt hard to rebuild by yourself , measure in the center of the pulley down inside to see how fare the end of the shaft is use this measurment when reassembling , a local machine shop sould have a press you can borrow , i use a set of hardened...
  15. M

    4010 Front pump

    make sure you have good supports under the tractor , i have done a few pumps , and the seal kit is not that hard to install, with a clean pump and room to line up all the pieces as you disassemble it , i usually take the pump subframe off at the engine and take it outas one piece , make sure and...
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