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Using the Jack Alignment Tool

Jun 30, 20201 min read

Updated: Oct 2, 2021

Centering the jacks in the middle of the repetition lever is an important step in the regulation process. Almost all actions will have at least a few jacks that are out of alignment. In some extreme cases, it can prevent escapement. The jack alignment tool from Schaff (R-28) makes the job easy.

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