Monday, December 12, 2016

Wintertime is here!

Last trip over North Cross this year hauling hay, the pass report said, "slush on roadway, no restrictions", thankfully I was pulling one of our 53' vans and not the B-trains.

Fabbed up a new bumper for the 9400, the oem bumper is just too flimsy for how we use the truck and I've straightened it too many times. I still need to make a guard underneath to protect the ABS valves as that has been an issue this year.

Scott the owner of the business has been complaining of low power, the intake manifold pressure sensor was reading wrong so I repaired that, percent engine load is still generating weird numbers and I can't get a straight answer from anyone on exactly how that number is calculated by the ECM, I would tend to assume fuel rate, percent throttle, and boost pressure but all those numbers are correct so there must be something I'm missing. Also this engine uses ambient temp to determine how fast the turbo needs to spin, that sensor is reading wrong but no one at Motor Trucks is apparently capable of looking that sensor up and ordering me one. My frustration level with almost all the parts departments that I deal with is reaching new highs.

Recalibrating the transmission in our T7 New Holland, learning to work on AG equipment is interesting, most of what you need to do can be done through the console display and key sequences.

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