Posted by gorilla on August 23, 2012 at 14:13:16 from (173.57.13.234):
My JD 4230 has always had issues re starting after it is warmed up when the temp is about 80 degrees. The problem kept getting worse and it didnt want to start up cold either. I figured the injector pump was bad (stanadyne DM model) and had it rebuilt. Sure enough it was in bad shape and they replaced the head. I reinstalled the injector pump and it starts great cold. It runs better and has a lot more power. IT still will not start when it is hot. I had the pump rebuilt at a reputable shop and the owner rebuilt it himself and is confident the pump is fine and tested out great. He is agreeable and more than happy to check it out if I bring it in but he thinks it is the injectors. (opening pressure too high) I have also replaced the transfer pump so that isnt a problem. questions... Would the injectors cause a no hot start? (i let it cool awhile and pour just a little cool water on the pump and it starts right up) Would the timing being off a little make for a no hot start? (should I advance or retartard the timing?) What else would cause a hot start problem? (IT has good compression and cranks over plenty fast) How hard is it to pull the injectors/ do I need a special tool?
Im at a loss so would appreciate any input. Thanks for your help.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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