Jump to content

ekennedy21

Bulldog
  • Posts

    472
  • Joined

  • Last visited

  • Days Won

    5

Posts posted by ekennedy21

  1. It is for a municipality. I have a couple loaders on with a town plowing and the superintendent is trying to get me to put some plow trucks on as well. I am hesitant to put a plow on one of my newer 10 wheelers because I don't want the salt eating on my shiny aluminum tanks. I found a running B81 with a plow and I am just curious how outrageous it would be to put the old girl to work.

  2. no, downtime is not enforced for time for the def system to regenerate, that is strictly for safety. Regens are not really a scheduled thing. You would not or could not get the truck to run a cycle manually unless you had a mack service computer. Depending on different variables i.e driver habits, terrain, size of load, system working properly could go quite a while without running a cycle. It is one of those things though that the light comes on on the dash and you have to do it though.

  3. It was mandated in November of 2007 that the emissions of diesel engines had to get a lot cleaner. The common solution was a particulate filter in the exhaust system that trapped pollution (particulates). As the filter clogged up, the trucks would run regeneration cycles to burn up this matter. This was accomplished by running a fuel line to a 7th injector in the filter assembly and burning up the particulates at a very high temperature. This would often require the truck to pull over off of the road an would take a good deal of time. This was all if the system worked correctly. There are many of cases where the truck is rendered dead on the side of the road or in safe mode(no power). In 2012 the newer more strict emissions standard came along forcing manufactures to abandon the diesel fueled injector in favor of burning urea to clean the filter. This system is in no means trouble free, but seems to have less bugs then the 2007 thru 2012 trucks. Also this wasn't a mack specific problem, it was industry wide(forced cat into a hiatus from the truck engine business)

×
×
  • Create New...