Posted by DLMKA on September 21, 2016 at 08:41:16 from (65.121.44.50):
In Reply to: tractor computers posted by Doug Wi on September 20, 2016 at 19:16:48:
I had some experimental hardware on a large mining truck in some mines out west a few years back. It was designed to improve fuel filtration on the engine. First few service intervals went pretty much as planned at one site then things went awry. Filters were plugging way earlier than expected. I was able to log into the data monitoring systems recorded, stored, and uploaded by the onboard computers which is meant to be a diagnostic tool for machine owners and service managers but the factory has access as well if set up that way. Sure enough, filters plugging in ~100 engine hours when it had been closer to 500 hrs as was the design target. I started looking at the rest of the machines in their fleet and saw similar trends in other machines at that site. We were able to trace it down to multiple loads of dirty fuel and a malfunctioning coalescing filter on their 1 million gallon bulk fuel tank at the mine site.
I'm not particularly a fan of big brother watching but there are cases where the ability to gather data by the engineers that designed the thing can diagnose problems remotely without ever setting foot on the worksite.
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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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