| Job Title |
Hydraulic-pressure-auto-frettage-machine Operator |
| Job Description |
Operates Hydraulic-pressure-auto-frettage Machine To Improve
Physical Characteristics And To Detect Physical Weakness Of
Machined Artillery Barrels, Following Specifications: Plugs
Muzzle End Of Barrel, Sets Barrel In Vertical Container Of
Frettage Machine, And Tightens Clamps To Lock Barrel In Place.
Connects Water Pressure Pipes To Machine, Starts Water Pumps,
And Moves Controls To Apply Hydraulic Pressure To Barrel Bore To
Expand Bore To Specified Diameter. Observes Pressure Indicators
And Records Pressure And Time At Specified Intervals. Fastens
Cables Around Barrel And Signals Overhead Crane Operator (any
Industry) 921.663-010 To Remove Barrel From Machine.
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