| Job Title |
Machine Operator, Centrifugal-control Switches |
| Job Description |
Operates Machines, Such As Lathe And Drill Press, To Machine
Centrifugal Switch Assemblies For Electric Motors, Performing
Any Combination Of Following Duties: Positions Switch Bore And
Hub Cylinder In Fixture On Hydraulic Press. Starts Press To
Lower Ram And Force Hub Into Switch Bore. Clamps Assembly To Bed
Of Drill Press And Starts Press To Ream Bore Of Hub Cylinder To
Specified Size. Verifies Diameter Of Bore, Using Plug Gauge.
Mounts Switch Assembly To Lathe And Inserts Specified Cutting
Tool In Tool Holder. Sets Cutting Tool To Specified Depth Of
Cut, Using Micrometer. Starts Lathe To Cut Outside Diameter Of
Switch, To Cut Slot In Contact Surface, Or To Remove Rivet Heads
And Burs. Verifies Diameter Of Switch Or Depth Of Slot, Using
Micrometer Or Plug Gauge. Mounts Switch To Test Motor. Starts
Motor And Turns Control Spring Setscrew, Observing Tachometer,
Until Switch Opens At Specified Revolutions Per Minute. Inserts
Mandrel In Bore Of Switch Assembly And Mounts Assembly In Test
Stand. Rotates Mandrel And Observes Assembly For Static Balance.
Drills Metal From Rivet Heads Or Solders Additional Metal Onto
Heads To Balance Switch Assemblies. Mounts Assembly To Lathe And
Adjusts Dial Indicator To Specified Setting. Starts Lathe And
Observes Dial Indicator To Test Balance Of Assembly.
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