Posted by Red Mercury on February 09, 2014 at 09:22:37 from (204.112.14.153):
In Reply to: Re: Thermostats posted by BruceS. on February 09, 2014 at 06:45:06:
Gas start diesels have served on our farm for 61 years and we still find uses for them today. We have never shut down on gas and they start just fine. I completely agree that proper warming up and cooling down is paramount. We have cracked 3 heads. The first one was cracked by by my brother starting the tractor in the spring and not realizing that the water had been drained in the fall. He started adding water and of course that cracked the head. The other two heads were cracked by incorrect timing of the injection pump on one tractor. At some point in time the timing had been adjusted to make the tractor switch over to diesel effortlessly and run very smooth at idle when cold. This causes the engine to run warmer than normal, even at idle. In the field, the tractor ran fine and the temperature gauge would easily get to the normal zone (which is not normal). This resulted in two cracked heads before the problem was discovered.
I recall another member's comments about the manual stating that the engine should be shut down on gas. That member suggested a very good point which was when these tractors were first sold some of them may not have had electric starting so the hand crank was the only option. Shutting down the engine on gas may have helped starting with the crank by having some gas pass through the system at shut down. This is basically a non-issue with electric starting. It was a good comment by that member, whoever it was.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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