Reply To: Bridge/wheel alligment

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david pierce
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Yes, there are two things that need to be checked. One is called end shake and you can check this by taking your needle tool and moving each wheel in the train up and down. This will ensure that the staffs will not bind on the plates and/or bridges. The second check is to make sure that the train rotates. The pallet and mainspring barrel can be inserted after this test is done and you are sure that everything rotates without any obstructions. Make sure that everything is clean and there are no particles that are going to jam any of the gear teeth. Rotate the train by gently pushing on the center wheel (#2) with your needle tool.

david pierceReply To: Bridge/wheel alligment