What is Regen on a bus?
Although DPF filters lead to cleaner emissions, the soot that builds up within them must be cleaned out. This is done through a regeneration, which is when the soot is literally burned off the filter. The engine heats up, the buildup combusts into ash, and carbon dioxide is released.
How does Cummins regen work?
Exhaust flows out of the engine and into the Cummins Particulate Filter. It passes through the DOC and then into the DPF where PM is collected on the walls of the DPF. The PM collected is then oxidized to remove it from the DPF. This is known as regeneration.
Do buses have Dpfs?
The DPF technology for buses makes it possible to improve air quality, reduce health risks and help to keep the work place diesel smoke free.
What is DPF on a bus?
Beginning around 2007, school buses were equipped with diesel particulate filters, aimed at collecting soot to decrease exhaust emissions. Although DPF filters lead to cleaner emissions, the soot that builds up within them must be cleaned out.
What kind of Regen do school buses need?
Diesel particulate filter (DPF) regeneration is one of the largest pain points for school bus operators and maintenance technicians. It’s not uncommon to hear of fleets who experience multiple regen issues a day, causing their buses to remain parked or on the side of the road in need of a manual regen.
Where can I get a Cummins engine for my school bus?
Cummins-powered buses are backed by the largest and most capable parts and service network in North America, with over 3,500 locations. Our authorized service technicians are fully trained on all of our engines and have the necessary equipment and Genuine Cummins Parts to promptly handle any type of service issue.
Can you perform Regen on a C2 school bus?
Performing regeneration (Regen) on a C2 school bus can make the difference between cleaning your bus for optimal performance and having to take your bus to the station, because the transmission and engine are not functioning. The regen should not be abused, which means that you should only attempt…
Where is the Regen switch on a bus?
Hold the “Regen” switch five seconds to perform your bus’s regeneration. The switch will be on the left side of the steering wheel. The regeneration process is a silent one, but the “Regen” symbol on the dashboard will flash when the process has started.