725.381-010 - TUBE REBUILDER (electron. comp.) alternate titles: television-picture-tube rebuilder - DOT Dictionary of Occupational Titles Job Description

CODE: 725.381-010

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TITLE(s): TUBE REBUILDER (electron. comp.) alternate titles: television-picture-tube rebuilder

Rebuilds cathode ray tubes used in television receivers and display instruments according to specifications, applying knowledge of electronics: Inspects tube for physical defects, such as cracks, scratches, burns, and pits to determine if tube is repairable. Tests display function, such as horizontal fade, color purity, and convergence to locate cause of malfunction, using test equipment. Cuts off glass neck holding electron gun, using hot wire or gas torch. Paints dag (graphite paint) inside bulb to provide conductive surface, using brush. Places bulb and replacement electron gun in lathe equipped with gas torch to weld and anneal parts together. Operates ovens and pumps to seal and evacuate tube. Places rebuilt tube in chamber to age (stabilize) tube. Coats exterior surface of tube with dag, using spray gun. Tests tube function and operation for conformance to specifications. Buffs and polishes display screen surface to remove scratches, using power buffer and abrasive compound.
GOE: 05.05.10 STRENGTH: M GED: R4 M3 L4 SVP: 6 DLU: 88
ONET CROSSWALK: 22505A Electronics Engineering Technicians

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CODE: 725.381-010 Buy the DOT: Download
TITLE(s): TUBE REBUILDER (electron. comp.) alternate titles: television-picture-tube rebuilder

Rebuilds cathode ray tubes used in television receivers and display instruments according to specifications, applying knowledge of electronics: Inspects tube for physical defects, such as cracks, scratches, burns, and pits to determine if tube is repairable. Tests display function, such as horizontal fade, color purity, and convergence to locate cause of malfunction, using test equipment. Cuts off glass neck holding electron gun, using hot wire or gas torch. Paints dag (graphite paint) inside bulb to provide conductive surface, using brush. Places bulb and replacement electron gun in lathe equipped with gas torch to weld and anneal parts together. Operates ovens and pumps to seal and evacuate tube. Places rebuilt tube in chamber to age (stabilize) tube. Coats exterior surface of tube with dag, using spray gun. Tests tube function and operation for conformance to specifications. Buffs and polishes display screen surface to remove scratches, using power buffer and abrasive compound.
GOE: 05.05.10 STRENGTH: M GED: R4 M3 L4 SVP: 6 DLU: 88
ONET CROSSWALK: 22505A Electronics Engineering Technicians