Adjusts valves to regulate temperature of lubrication oil and flow of water through system.
Moves controls to regulate speed of fans and to adjust vents and ducts.
Records gauge readings, repairs completed, and time lost because of inoperative equipment. Inspects equipment to detect excessive noise and heat. Replaces gauges and tightens and chalks leaky fittings, using wrenches, hammers, and chalking tool. Cleans carbon deposits, pitch, and grease from fans, vents and ducts, using scrapers, hammer, and compressed air or steam.