Job Description:

• 1) Tends tanks that impregnate asbestos lining stock with asphalt solution: Loads vacuum tank with rolls of asbestos lining, using hoist.

• 2) Turns valves to admit specified quantities of asphalt solution into tank.

• 3) Turns steam valves to heat tanks, observes temperature control chart, and adjusts coolant valves to maintain temperature within specified limits.

• 4) Transfers impregnated rolls of asbestos from tank to oven, using hoist.

• 5) Allows material to heat for specified time to complete impregnating process.

• 6) Starts blower to dry and exhaust fumes from asbestos.

• 7) May standardize width and thickness of asbestos lining.

• 8) May test impregnated stock to ensure conformance to specifications, using brake-testing machine.

• 9) May deliver samples to control laboratory.

• 10) May tend mixing machine to prepare impregnating solution.