This is an excellent reproduction of the 4 page data sheet you need! For use on Ammco model 4000, 4100, 7000 and similar disc feed/cross feed style brake lathes.
(2) Ammco 6929 Spring Washers for 6900 and 6950 Twin Disc Cutter for Brake Lathe
Ammco 6950 Brake Disc Twin Cutter Tool Operating Manual
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Ammco 6977 Dust Plug For Twin Cutter Assembly 906977 for 6900 6950 Twin Cutter