pre trip Archives

Thomas Bus Automatic Light Check

The factory programmed Thomas Bus light check is a handy system but it just tells you the lights are working. It does not tell you if the circuits from the switches are all working properly. For instance when the driver applies the brake pedal a signal is sent to relay power to the rear brake… Continue reading Thomas Bus Automatic Light Check

Cold Start Mercedes Diesel Engine in a School Bus

This bus is one of our older non emission diesel engines. It’s a 2004 Mercedes MBE 900 in a Thomas HDX pusher school bus. As soon as oil pressure is reached I flipped on the high idle switch to get away from over fueling with unburned raw diesel which is very unhealthy for components related… Continue reading Cold Start Mercedes Diesel Engine in a School Bus

School Bus Automated Light System

The pre trip on a school bus is one of the most important steps of the day for the operator. At this stage the bus is sitting in the garage yard and the driver checks everything head to toe to determine if the bus is safe to use. Once they know the bus is safe… Continue reading School Bus Automated Light System