Job Description:

• 1) Vulcanizes breaks and holes in casings and treads of motor vehicle tires: Cuts and trims broken sections of tire with knife.

• 2) Scrapes and cleans area, using electrically or air-rotated wire brush.

• 3) Coats break on inside of tire with rubber cement.

• 4) Cuts raw and corded rubber patches and rolls them into rupture, using hand roller, to ensure adhesion.

• 5) Covers rupture on outside of tire with tread rubber and works rubber into hole with hand roller.

• 6) Trims patch, using knife.

• 7) Places tire in tire mold of vulcanizing machine which has been heated to specified temperature.

• 8) Adjusts air or steam bag inside tire, inflating it to exert pressure on tire in mold.

• 9) Clamps tire in mold and allows it to remain until rubber is vulcanized and patch fused with surrounding rubber.

• 10) May inspect and rebuff tire.