Job Description:

• 1) Repairs and installs cooling units to draw air over moistened pads, using handtools and portable power tools: Disassembles, cleans, and oils parts.

• 2) Replaces motor bearings, aligns pulleys on motor and blower shafts, and tightens slack in drive belts.

• 3) Replaces defective wiring.

• 4) Holds tachometer against revolving centers of blowers and motors to verify specified revolutions per minute.

• 5) Bolts cooler to window or platform adjacent to window, following layout lines.

• 6) Cuts and installs plywood or building board to fit vacant window space.

• 7) Installs electrical outlets and thermostat or humidistat controls.

• 8) Cuts and connects tubing to cooler and water source.

• 9) Adjusts rate of water flow.

• 10) May install cooler on roof and assemble prefabricated sheet metal ducts in attic.