How to Virtually Eliminate Aftertreatment Issues: DD5
A ftertreatment issues are one of the biggest concerns for trans- portation directors and technicians. In older buses, manual regens are frequent and maintenance costs can be high. But it doesn’t have to be that way. There are solutions in the market to- day to eliminate virtually all aftertreatment issues. Have an older engine? No problem, a quick and easy fix may work for you. Here are a few solutions based on engine type and age: I have a 2010 (or later) Cummins engine – If you have a Cum- mins engine, model year 2010 or later, a Thomas Built Dealer can walk you through how to set up the Stay Warm Fea- ture on your engines. This simple parameter change will greatly decrease the number of manual regens needed. Here’s why: In school buses, active regens start when the en- gine gets hot enough, but the regen will be interrupted as the engine cools down. This plays into the stop-and-go na- ture of school buses. With Stay Warm, the engine stays warm long enough for the active regeneration to complete. After just a year of launching the Stay Warm feature, school districts are seeing up to a 75-percent decrease in af- tertreatment-related issues, while other school districts now have zero DPF-related maintenance issues.
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