Re: Why gas to start the diesel engine?

Posted by Paul in Mich on December 21, 2004 at 19:35:42 from (66.188.26.29):

In Reply to: Re: Why gas to start the diesel engine? posted by JD 5020 guy on December 21, 2004 at 18:01:57:

This was the very reason that many owners or operators didn"t follow the shut off proceedure, as when the switch over lever was pushed forward, thus shutting off the diesel, and switching back to gasolene was complete, the operator had to dismount the tractor and manually shut off the gasolene flow to the carburetor to allow the engine to simply run out of gas. There was no kill switch except for the switchover handle. The proceedure also called for switching the handle back to the diesel position as its "sleeping position". That meant that the operator had to remount the tractor to pull back the switching handle. It was just not a convenient way of shutting off the tractor, therefore many if not most people simply let the engine idle to cool off, and not go through the switching back to gas phase before shutting down the diesel. We did it that way on our MD, and were lucky enough to not have cracked the head. That leads me to believe that while shutting off on gasolene may have been the prefered method, I"m not sure that not doing so was the primary reason for the heads cracking as they did. I rather think it was the lack of material in the head itself and /or the alloy makeup, since people tell me that the post war models had weaker alloy castings than the earlier models, and cracking was more prevelant on the later models.

Follow Ups:

• Re: Why gas to start the diesel engine? Redrider 20:05:00 12/21/04 (1)
  • Re: Why gas to start the diesel engine? Andy Martin 06:19:31 12/22/04 (0)

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