| Job Title |
Tapper, Balance-wheel Screw Hole |
| Job Description |
Operates Powered Horizontal Tapping Machine To Cut Internal
Threads In Screw Holes Around Periphery Of Watch Balance Wheel:
Places Center Hole Of Balance Wheel Over Protruding Pin Of
Machine Chuck. Turns Wheel To Align Hole With Tap And Presses
Handle To Starts Tap Forward Into Hole. Verifies Size Of Holes,
Using Precision Plug Gauge. Replaces Worn Taps.
|