2-13. OPERATING PROCEDURES FOR BUTTON SEWING MACHINE - continued.
p. To adjust shank button clamp for through and through stitching shank buttons. To center needle in
needle hole in button shank.
Adjustment is the same as for the flat button clamp (para. 2-13k), except that, in this case, the two
adjusting screws (1) are located at the rear of the clamp arm.
q. To adjust shank button clamp for blind stitching shank buttons and center needle in needle hole in
(1) Loosen the two adjusting screws (1) at rear end of clamp arm.
(2) Also loosen hinge screw (2) and clamping screw (3) in adjustable pressure bar seat (4) and set the
clamp to insure that the needle will center in hole in button shank.
(3) Tighten screws (1), (2) and (3).