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Job Description and Jobs

Job Description:

  • 1) Fits together parts and subassemblies to build electric motors, generators, and gasoline engine-generator sets, using machinist's tools, precision instruments, and following blueprints and specifications: Files and scrapes burrs from parts and cleans parts with solvent and compressed air.

  • 2) Fits bearings to armature or rotor shafts, using Prussian blue and hand scraper to locate and reduce high spots.

  • 3) Shrinks bushings, couplings, and pinions on shafts, in electric oven.

  • 4) Positions rotors and armatures into stator or field ring and slides heads over shaft and against housing ends manually or with hoist.

  • 5) Secures assembly, using bolts and wrenches.

  • 6) Aligns heads to allow rotor or armature to turn freely and inserts shims under rotor support to adjust airgap between rotor and stator, measuring clearance with precision instruments.

  • 7) Fits carbon brushes to curvature of commutator or collector rings by sand brushing or rotating in seating fixture.

  • 8) Cuts and strips wire leads and crimps or solders connecting lugs to them.

  • 9) Screws leads to brush holders.

  • 10) Packs chamber with grease to lubricate bearings.

  • 11) Assembles external parts, such as fans, covers, exciters, control panels, space heaters, and piping, to build special units.

  • 12) May level and align unit on customer's bedplate or on test base in testing department and couple unit to drive motor or test instruments.

  • 13) May dismantle equipment after testing and examine parts for evidence of wear.

  • 14) May be designated according to power source of unit as Engine-Generator Assembler.




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DOT:   820.361-014

Job Number: 3458