Job Description:

• 1) Tests performance of electric airplane deicers: Connects deicer to controlled electric circuit or battery to test for electrical shorts and faulty insulation.

• 2) Turns control switch to expose deicer to specified voltage, and observes surface of deicer to detect melting or smoking rubber.

• 3) May submerge activated deicer in water to detect bubbles or electrical flash that indicate defective area.

• 4) Dusts deicer with zinc stearate and exposes deicer to specified voltage to test heating performance.

• 5) Verifies dimensions of deicer, using rule and snap gauge.

• 6) Marks and sorts defective deicers for scrap or repair.

• 7) Records test data.

• 8) May examine rubber plies of deicer for defects, such as cracks, blisters, and ply separations.