Do school buses have DPF?
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. Passive regen just happens naturally with high exhaust temperatures.
What does it mean to Regen a bus?
regeneration
Beginning around 2007, school buses were equipped with diesel particulate filters, aimed at collecting soot to decrease exhaust emissions. 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 do you regen a Thomas school bus?
You need to call Thomas with the body number and ask them how the bus is set up to run a parked regen. Bus in nuetral, park brake set, high idle or normal idle, doors open or closed, a/c on or off. All of those will effect the ability to activate a parked regen.
How do you not regenerate a school bus?
Use your key to turn your bus on, and then put the bus in neutral. In addition, put on the parking brake and do not accelerate. (See Reference 1) Check the upper-right part of the electronic dashboard for a “Regen” symbol. If this indication is not lit up, do not regenerate the bus.
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…
Is it safe to use Regen on a bus?
The regen should not be abused, which means that you should only attempt to perform regeneration, if your bus needs it. The regeneration will automatically clean the bus’s filter and therefore allow for a safe bus ride. (See Reference 1)
Where is the Regen button on a bus?
Check the upper-right part of the electronic dashboard for a “Regen” symbol. If this indication is not lit up, do not regenerate the bus. (See Reference 1) Hold the “Regen” switch five seconds to perform your bus’s regeneration.