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Job Description:

  • 1) Attaches inner coil of watch hairspring to collet preparatory to assembly to balance wheel: Positions collet over arbor of colleting tool, using tweezers and forces collet into place, using hand punch.

  • 2) Places hairspring over arbor and inserts end of inner coil into hole in collet, using tweezers and loupe.

  • 3) Inserts tapered brass pin into hole in collet and pulls pin through hole to secure hairspring against wall of collet, using tweezers and pliers.

  • 4) Cuts protruding ends of pin with pliers.

  • 5) May examine plane of hairspring and collet to ensure conformance to specifications.




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End Of Job Description for: "COLLETER"
DOT:   715.684-066

Job Number: 2109