Cummins Foreign and domestic power plants, accessory units and reconditioning procedures.
Emphasis is on operating principles of four-cycle engines and their repair.
3.0 AST-102 Brakes Downing Foreign and domestic brake systems. Includes hydraulic theory, disc and drum systems, parking brakes, power assist units, and anti-lock braking systems. 3.0 AST-122 Auto Mechanics General Laboratory I Downing Power plants, accessory units and reconditioning procedures. 5.0 AST-251 Electrical Systems II Cummins Operation, diagnosis, and repair of automotive chassis electrical systems. Usage of test equipment, wiring diagrams, and diagnostic charts.