| Job Title |
Processor, Solid Propellant |
| Job Description |
Performs Combination Of Following Duties To Produce
Solid-propellant Rocket Fuel, Prepare Rocket Motor Cases For
Inserting Propellant, Cast And Cure Propellant, Install
Propellant And Ignition Components In Motor Case, Prepare
Assembly For Static Testing, And Pack Assembly For Shipment:
Blends Fuel Ingredients And Tends Roller Mill That Grinds
Mixture To Uniform Consistency From Remote Control Instrument
Panel, Viewing Operations On Television Monitor. Lowers Motor
Case Into Degreasing Pit Filled With Solvent, Using Hoist.
Transfers Case To Sandblasting Cabinet And Starts Compressor To
Sandblast Unit, Removing Rust And Scale. Paints Motor Case,
Using Spray Gun. Weighs Out Prescribed Ingredients For
Insulating Interior Of Case And Starts Agitator In Mixing Tank
To Blend Ingredients To Desired Consistency. Sprays Insulating
Liner Onto Case Interior, Using Spray Gun. Hoists Case Into Oven
To Cure Lining Preparatory To Inserting Propellant. Fills Fuel
Transfer Can With Propellant Mixture, According To Prescribed
Safety Procedures, Bolts Lid Onto Can, And Starts Vibrator To
Remove Air Bubbles From Mixture. Transfers Filled Can To Casting
Area, Using Lift Truck. Brushes Mold-releasing Lubricant Onto
Casting Core To Facilitate Removal Of Propellant After Curing.
Positions Motor Case In Rack Or Pit And Aligns Casting Core In
Case, Using Gauge And Following Markings On Case Interior.
Couples Safety Hose To Valve In Lid Of Transfer Can And Turns
Air Valves To Force Propellant Into Case. Bolts Hydraulic Jack
To Retainer Ring Of Case And Turns Valve From Behind Safety
Barrier To Force Core Into Position, Using System Of Mirrors To
Regulate Movement Of Core. Slips Plastic Bag And Metal Cap Over
Assembly And Transfers Filled Case To Curing Oven. Sets
Automatic Temperature Controls Of Oven According To Critical
Specifications For Each Type Of Propellant And Size Of Motor.
Removes Casting Core From Propellant After Prescribed Curing
Time, Using Hydraulic Jack, And Trims Excess Propellant From Rim
Of Case, Using Remote Controlled Air-powered Knives. Secures
Retaining Collars, Exhaust Nozzle, Ignition Cable, And Igniter
Motor In Motor Case, Using Torque And Impact Wrenches, To Ensure
Alignment Of All Components. Hoists Motor Onto Cradle Of Scale
And Records Weight. Determines Center Of Gravity Of Assembly,
Using Centering Devices And Standard Formula. Stencils Identity
And Motor Specifications On Case, Using Stencil And Roller.
Prepares Assemblies For Static Testing By Transferring Units To
And From Temperature-controlled Rooms, Securing Them To Test
Stand, Recording Test Instrument Readings, And Disassembling
Faulty Units For Inspection. Slides Completed Assemblies Into
Pressurized Shipping Containers, Using Hoist And Aligning
Devices To Prevent Damage During Shipment. Seals Container,
Using Gaskets, Bolts, Tape, Resilient Packing, And
Moisture-absorbing Agents. May Be Known As Mold-release Worker
(chemical); Rocket-assembly Operator (chemical). When Casting
Smaller Fuel Elements In Molds To Produce Free-standing Grain
(fuel Element), Wrapping Grain In Inhibitor Sheath To Control
Rate Of Burning, And Manually Loading Grain Into Motor Case Or
Container, Is Designated Technical Operator, Grain Preparation
(chemical).
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