Repairing

AIR-CONDITIONING INSTALLER-SERVICER HELPER, WINDOW UNIT

Job Description: 1) Assists AIR-CONDITIONING INSTALLER-SERVICER, WINDOW UNIT in repairing, servicing, or installing window-mounted air-conditioning units, performing any combination of following duties: Carries unit from delivery vehicle to work site. 2) Assembles window-support brackets, using handtools. 3) Cuts opening through wall for insertion of unit, using hammer and chisel. 4) Applies caulking compound to excess

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AIR-COMPRESSOR OPERATOR

Job Description: 1) Tends air compressors driven by steam, electric, or gasoline powered units, to generate and supply compressed air for operation of pneumatic tools, hoists, and air lances: Starts power unit to build up specified pressure in compressor. 2) Adjusts controls or sets automatic controls to maintain continuous air supply to pneumatic tools or

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AIR AND HYDRONIC BALANCING TECHNICIAN

Job Description: 1) Inspects, tests, adjusts, and balances heating, cooling, and ventilating systems in residential, commercial, and industrial buildings, using specialized tools and test equipment, to attain performance standards specified in system design: Studies system blueprints, specifications, and performance data to determine configuration and purpose of system components, such as motors, pumps, fans, switches, ducts,

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ADJUSTER, ELECTRICAL CONTACTS

Job Description: 1) Adjusts contacts and springs of electrical apparatus, such as relays and switches, to permit opening and closing of circuits and flow of current: Examines apparatus for defects, such as damaged coil cover, bent springs and contacts, misaligned armatures and contacts, and missing parts. 2) Verifies clearance and tension of parts, using feeler

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ACOUSTICAL CARPENTER

Job Description: 1) Mounts acoustical tile to walls and ceilings of buildings to reduce reflection of sound and to decorate rooms: Measures and marks surface to lay out work, according to blueprints and drawings. 2) Inspects furrings, mechanical mountings, and masonry surface for plumbness and level, using spirit or water level. 3) Nails or screws

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ACCORDION REPAIRER

Job Description: 1) Repairs and tunes accordions and concertinas, using handtools: Disassembles instrument and parts, such as base and treble mechanisms, bellows, reed blocks, and manuals, using handtools. 2) Moves parts, observing their action to detect defects. 3) Files, realigns, and adjusts parts, using handtools. 4) Recovers bellows with sateen and cloth. 5) Glues leather

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