"CASE PREPARER-AND-LINER"
Job Description and Jobs
Job Description:
- 1) Cleans rocket-motor cases and lines them with heat-resistant coatings by performing any combination of following tasks: Moves motor cases through various process stations of building, using hoist and conveyor system.
- 2) Attaches and removes special handling devices on motor cases, using wrenches and other handtools or portable power tools.
- 3) Immerses case in chemical bath for specified period to remove protective coatings or contaminants.
- 4) Wipes solution from inside of case, using cloth.
- 5) Removes chemical film from surface of case, using sandblasting equipment.
- 6) Paints outside of motor case, using spray gun.
- 7) Bakes motor case in drying oven.
- 8) Lowers motor case onto bed of lining machine.
- 9) Connects turntable to end of motor case, using wrenches.
- 10) Starts machine which rotates case and sprays heat-resistant material on inside of case.
- 11) Examines coating for voids or other defects.
- 12) Conveys lined motor case to curing oven.
- 13) Observes recording instrument charts on control panel of curing oven to verify specified temperatures and curing time.
- 14) Lowers cured cases onto skids and covers ends with paper and gummed tape.
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