|
|
       CODE: 574.582-010 Buy the DOT:Download/CD-ROM
TITLE(s): SILVERING APPLICATOR (glass products)
Sets up and operates silvering range to mix and spray tin, silver, and copper solutions on mirror
glass: Weighs or measures chemical ingredients, following formula. Turns valves to admit steam and
specified amount of water into mixing vat. Verifies water temperature and pours ingredients into
vat. Starts power mixer to mix solutions for specified time. Turns valve to drain solutions into
storage tanks. Starts unit of range and turns valves to start flow of solutions into spray heads.
Observes silvering process to detect clogged sprays, uneven silver and copper coating, and
imperfections, such as streaks and spots, and color of sludge, that indicate impure water or faulty
copper and silver mix. Turns valves to regulate air pressure to sprayer and to maintain specified
water temperature. Removes spray heads and pipes with wrenches and soaks spray heads in cleaning
fluid. Records batches mixed and chemicals used. May measure and record thickness of silver coating,
using gauge.
GOE: 06.02.21 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77
ONET CROSSWALK: 92951 Coating, Painting, and Spraying Machine Setters and Set-Up Operators
|