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  1. J

    720D pony motor water pump

    Pat, I ordered the seals from the local John Deere dealer. I ordered the shim gaskets from H&J Machining in ND which are also available from Deere at twice the price. 701-652-3289 They have a catalog online but your have to order by phone. I think he also has the seals which are cheaper than...
  2. J

    A 720 pony saga

    Brandon, Thanks for the info. I had already talked to H&J and am thinking about sending the pump to them. I could also get the shim gaskets from him. To me the impeller looks excellent, no signs of corrosion or erosion. Jim
  3. J

    A 720 pony saga

    I do not have a shop manual for the 720, would someone give me instructions on how to rebuild the pony water pump?
  4. J

    A 720 pony saga

    Jim’s 720 Pony Motor saga First I have some questions about the pony motor: -Do pony motors have an oil pressure switch? The schematic shows one, but I have not found one on this pony motor. It is from a low serial number 720. -I would like recommendations on the rebuilding of the water pump...
  5. J

    720D pony motor water pump

    Thanks for the reply. I have the pony off the tractor and got the pump removed. I found the trick to remove the water pump was to pull out on the bottom of the pump until the boss on the pump cleared the block so the pump could drop down. Doing that made it easy. Now I have to figure out how to...
  6. J

    720D pony motor water pump

    I am attempting to remove the water pump from a 720D pony motor. I have the bolts out and the water pump cover and cooling pipe off but I can not get the pump off due to the pipe between the pump and the block. I have rotated the pipe so it is loose from the o-rings and pushed it up into the...
  7. J

    520 leakage around clutch pulley

    Thanks for the responses. I am do some troubleshooting and will post what I find. Thanks, Jim
  8. J

    520 leakage around clutch pulley

    I have a 1958 520 that leaks oil at the clutch pulley. It does not do this on level ground but if the tractor is leaning with the pulley low oil runs out at the pulley. I have searched and read on the forums on this that I could find and have the following questions: 1) Is there anything on a...

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