| Job Title |
Barrel Assembler |
| Job Description |
Assembles, Tests, And Adjusts Mainspring Barrel Assembly,
Using Watchmaker's Tools, Handpress, And Loupe: Attaches Inner
Coil Of Mainspring To Arbor Of Hand-operated Mainspring Winder,
And Winds Spring Within Body Of Winder. Inserts Wound Spring
Into Mainspring Barrel, Utilizing Plunger Inside Winder. Presses
Barrel Arbor Into Position And Turns Arbor Until Hook In Arbor
Engages Hole In Center Of Coiled Spring, Using Tweezers. Places
Drop Of Oil On Spring, Using Hypodermic Syringe. Presses Barrel
Cover Into Place, Using Handpress. Moves Arbor Up And Down To
Test Endshake (vertical Clearance Of Arbor Between Cover And
Bottom Of Barrel), Using Tweezers And Loupe. Corrects
Insufficient Or Excessive Endshake [barrel-endshake Adjuster
(clock & Watch)]. May Press Rounded Punch Against Barrel Hub To
Correct Side-shake (clearance Between Arbor And Barrel Hole).
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