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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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End Of Job Description for: "CASE PREPARER-AND-LINER"
DOT:   509.384-010

Job Number: 1523