Job Description:

• 1) Repairs, tests, and installs mechanical units, such as fuel and water pumps, control valves, governors, distributors, windshield wiper motors, and door engines on streetcars, trackless trolleys, and buses: Disconnects and removes unit from vehicle, using handtools.

• 2) Disassembles unit and cleans parts with chemical solution.

• 3) Inspects parts for wear or damage.

• 4) Removes foreign particles from unit, using compressed air blower.

• 5) Repairs, replaces, or adjusts components, such as needles, springs, bolts, relays, and airhoses.

• 6) Tests air-control valve, air pipes, and airhoses for air leaks.

• 7) Tests magnetic, hydraulic, and pneumatic control valves that are used to open and close doors and inspects radiator shutters, and other mechanical units on vehicle.

• 8) Reassembles and installs unit in vehicle.

• 9) May be designated according to type of mechanical unit repaired as Door-Engine Repairer; Windshield-Wiper Repairer.