Job Description:

• 1) Tends vacuum metalizing equipment that deposits decorative or protective coating of specified metal on metal, glass, or plastic objects: Hooks or clamps articles onto rack.

• 2) Positions pieces of coating metal over heating filament on rack.

• 3) Positions rack in vacuum chamber, manually or using hoist.

• 4) May plug in electrical connection or filaments.

• 5) Connects gear to motorized jig that rotates rack inside chamber.

• 6) Closes door and turns handles to seal chamber.

• 7) Turns handwheel and starts pump to remove air from chamber.

• 8) Starts booster and high vacuum pumps, and observes dials to obtain specified state of vacuum in chamber.

• 9) Pushes button to heat filament which vaporizes coating metal and deposits it as film on objects on rack.

• 10) Turns off electric current after specified time and turns handwheel to permit air to enter chamber.

• 11) Opens door, removes rack, and lifts coated objects onto truck or dolly.