| Job Title |
Case Preparer-and-liner |
| Job Description |
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. Attaches And Removes Special Handling
Devices (handling Rings) On Motor Cases, Using Wrenches And
Other Handtools Or Portable Power Tools. Immerses Case In
Chemical Bath For Specified Period To Remove Protective Coatings
Or Contaminants. Wipes Solution From Inside Of Case, Using
Cloth. Removes Chemical Film From Surface Of Case, Using
Sandblasting Equipment [sandblaster (any Industry)]. Paints
Outside Of Motor Case, Using Spray Gun. Bakes Motor Case In
Drying Oven. Lowers Motor Case Onto Bed Of Lining Machine.
Connects Turntable To End Of Motor Case, Using Wrenches. Starts
Machine Which Rotates Case And Sprays Heat-resistant Material On
Inside Of Case. Examines Coating For Voids Or Other Defects.
Conveys Lined Motor Case To Curing Oven. Observes Recording
Instrument Charts On Control Panel Of Curing Oven To Verify
Specified Temperatures And Curing Time. Lowers Cured Cases Onto
Skids And Covers Ends With Paper And Gummed Tape.
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