| Job Title |
Fiberglass-container-winding Operator |
| Job Description |
Performs Any Combination Of Following Duties To Fabricate
Fiberglass Air Containers Used In Hydraulic Systems: Assembles
Hemispherical Mold Or Mandrel Sections Of Lead Alloy To Form
Sphere. Covers Sphere With Rubber-liner Halves And Cements
Halves Together. Examines Rubber Covering For Defects. Attaches
Threaded Fittings Onto Rubber Lining At Top And Bottom Of
Sphere. Inserts Shaft Through Fitting Opening Into Sphere And
Screws Into Place, Using Wrench. Weighs Resin And Catalyst In
Specified Amounts And Mixes Them With Agitator. Mounts Sphere In
Winding Machine And Applies Resin To Surface, Using Brush.
Starts Machine That Winds Fiberglass Yarn Around Sphere.
Measures Tension Of Fiberglass Using Tensiometer, And Adjusts
Tension Arm. Removes And Weighs Fiberglass-covered Sphere.
Records Weight On Production Sheet. Places Covered Spheres In
Electric Oven To Bake And Dry For Specified Time. Removes And
Weighs Spheres. Mounts Spheres On Steam Unit To Melt And Remove
Mold. Turns Valve To Admit Steam Into Sphere. Turns Spigot To
Discharge Molten Alloy. Weighs Sphere And Records Weight.
Performs Hydrostatic Tests On Completed Spherical Containers At
Various Pressures. Connects Fitting On Container To Water Pipe
In Safety Tank. Turns Water Valves And Starts Pump To Increase
Pressure In Container To Specified Level.
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