Job Description:

• 1) Tends automatic or semiautomatic lehrs that anneal flat glass or glassware to relieve internal stresses or to fuse painted designs on glassware: Observes gauges and turns controls to start exhaust fans, to ignite burners, and to regulate lehr temperatures, speed of lehr conveyors, and draft rates.

• 2) Observes annealed glass for splits, cracks, breaks, and color that indicate improper lehr settings or for fusing of paint to glass.

• 3) Loads or unloads glass entering or leaving lehr by hoisting flat glass with vacuum-cupped crane or by manually placing glassware on and removing from lehr conveyor.

• 4) Packs annealed glass by placing flat glass in crates, using vacuum-cupped crane, or inserting glassware in cartons.

• 5) Maintains record of glass annealed and packed.

• 6) May adjust height of lehr entranceway curtain to accommodate containers of specific height.

• 7) May tend hot- or cold-end spray equipment used to coat glassware with surface hardener.

• 8) May change conveyor gears to alter speed of conveyor and replace defective burners, using handtools.