Posted by showcrop on April 24, 2019 at 05:03:48 from (75.68.37.174):
In Reply to: Diesel exhaust fluid posted by Stephen Newell on April 23, 2019 at 18:39:40:
I had to sit through mandatory training on this when our fire dept got a new truck. I think that the best way to look at it is that your exhaust is all being run through a filter. Under good running conditions very little soot is produced and the filter is self cleaning If it is not run well, the filter has to be cleaned periodically. The DEF is injected into the exhaust to perform that cleaning as you drive. If the truck has a high enough proportion of high rpm under load driving time, it doesn't need to do anything more. If not, it has to do a "parked regen" which puts it out of service. The dump truck that I drive is usually good, but once during a paving job it had been idling too much and put itself out of service. We rarely allow the fire tuck to idle. It is either put on high idle, or in cold weather, recirculating.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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