Job Description:

• 1) Builds pneumatic tires on collapsible drum device from rubber components, such as beads, ply stock, tread, and sidewalls: Positions ply stitcher rollers and drum according to width of stock, using handtools and gauges.

• 2) Rubs cement stick on drum edge to provide adhesive surface for plies.

• 3) Pulls ply from supply rack and aligns with edge of drum.

• 4) Depresses pedal to rotate drum, winds specified number of plies around drum to form tire body.

• 5) Cuts ply at splice point and presses ends together to form continuous band.

• 6) Brushes solvent onto ply to ensure adhesion and repeats process as specified, alternating direction of each ply to strengthen tire.

• 7) Pushes switch to move bead setters that press prefabricated beads onto plies and to position rollers that turn edges of plies under and over beads.

• 8) Winds chafers and breaker onto plies.

• 9) Aligns tread with guide, Starts drum to wind tread onto plies, and splices ends.

• 10) Starts rollers that bond tread and plies as drum revolves.

• 11) Depresses pedal to collapse drum and lifts tire onto conveyor.

• 12) May turn ends of plies under and over beads with steel rod.

• 13) May build heavy-service or limited production tires for aircraft, trucks, or equipment and be designated Tire Builder, Heavy Service.