Page 123 – Mechanics Hub

Basic Air Brake Theory On A School Bus

Understanding The Basics Behind Air Brakes The video below does an excellent job describing how air brakes work. If you are not familiar with the theory behind air brake systems the video will definitely help you understand the basics. Air brakes have come a long way and now they are engineered using ABS technology. With… Continue reading Basic Air Brake Theory On A School Bus

Merry Christmas

Cummins ISC Diesel Engine Repair

After the Cummins C series (Bosch fuel injection) diesel engines did their time in our fleet we were introduced to the ISC electronic model. A high pressure fuel accumulator supplied the injectors using a distributor pump. There were a few of these CAPS pumps that failed but that was over a long period of time.… Continue reading Cummins ISC Diesel Engine Repair

Today at the Bus Garage

Take The Video Tour Of Our Garage Below I’ve added a video of a quick tour of the garage. The wash bay is the new home to our bulk oil tanks. They are replacing the originals due to age and size of them taking up room in the adjacent service bay. Watch the video for… Continue reading Today at the Bus Garage

Multiplexing On A School Bus

An Example Of A Multiplex Wiring Schematic In the Video below I’m checking Out A Multi-Plex Wiring Circuit On A C2 School Bus. You will see the bulk head module (photo above). It sends and receives inputs and outputs and controls other modules communicating through the J1939 wrg. (You will find more details below) The… Continue reading Multiplexing On A School Bus

Running A School Bus Fleet Operation

A School Bus Fleet Over View The fleet bus garage I have been employed at for going on 19 years started as just 2 bays in the sixties with 10 buses. This is the information I got from former employees. The other sections of the shop were added on as time went on to keep… Continue reading Running A School Bus Fleet Operation

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Valve Adjustment International DT466E Diesel Engine

The International DT 466E Diesel Engine – Steps Required To Adjust Valves The DT 466 E (electronic) diesel engine is controlled by an ECU (engine control unit) which has to be removed before adjusting the engine valves. This step adds time to the valve adjustment but necessary to gain access to the valves. Once the… Continue reading Valve Adjustment International DT466E Diesel Engine