Massey Ferguson 393 hard start
Posted 07 April 2021 - 09:46 PM
Posted 07 April 2021 - 10:32 PM
I was a around several very high hour AC engines in Gleaner combine with a Roosa-Master injection pumps. I would pour water over the one and started every time. My reasoning was ware in the pump and as metal heated it expanded and made just a little so less pressure. Finally had a pump over haul and was fixed. I was told water cooling pump to fast would be bad but never had a problem. This was all in in over 80 degree weather and water was sitting out so not real cool but worked for me.
I had a Detroit 2-71in a AC HD 5 crawler it started well and ran fine for 30 minutes and would loose power like bad filters. If you could stand it for a hour or so ran good again. All manner of people who knew more than I said it could not be the pump. It was the pump, cheap and easy at the time. Again the best guess I ever had was with ware and parts warming/ expanding at different rate made for Ok start and the stumble big time to fully warm up and run good. This was in a cooler time and was all cool weather under 65 at hottest.
But not knowing what a 393 is for sure I am just guess from things that have worked for me. I have been around a 399 MF so guessing yours is just a bit smaller or older/newer.
Posted 08 April 2021 - 09:29 AM
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