Perform all levels of repairs, overhauls, and preventative maintence on all types of fire apparatus and equipment to include fire pumps and associated valves and pluming, drive trains, cabs and chassis components, auxiliary power generators, aerial ladders, hydraulic systems mergency siren lighting and gasoline and desel engines. Perform inspection and preventive maintenance practices involved with an emergency response vehicle chassis and inter-related systems such as axles, engines, transmissions, drivelines, brakes, steering and suspension systems, and wheels and tires.