TM 10-3530-207-14
5-59. BUTTON SEWING MACHINE STOP MOTION SHAFT MAINTENANCE-continued.
Inspection-continued.
(6) Inspect stop motion block for damage.
(7) Inspect collar stud for damage and for missing spring. Glue in place.
Repair. Repair is limited to deburring and the replacement of defective components.
Installation.
(1) Install collar stud (1). Secure with setscrew (2) and make sure setscrew seats on the collar stud flat.
(2) Install stop motion block (3). Secure with block hinge screw (4) and block hinge nut (5).
(3) Install stop motion plate (6). Secure with two screws (7) and two washers (8).
NOTES
Make sure spring (11) is in correct hole of the collar (10). Hole is opposite of collar screw (18)
Collar stud (1) should be rotated clockwise until it clears stop motion collar (13).
(4) Slide stop motion shaft (9) into the rear of machine head through collar (10), stop motion spring (11),
starting crank (12) and stop motion collar (13).
(5) Install tapered pin starting crank (12) to stop motion shaft (9). Secure with crank pin (14) through
large hole in starting crank (12) and the stop motion shaft (9).
(6) Install setscrew (15) into the stop motion collar (13). Rotate stop motion collar (13) so that the holes
line up with the threaded hole in the stop motion shaft (9). Tighten setscrew (15).
NOTE
Small end of shaft collar (16) faces the machine.
(7) Slide shaft collar (16) onto the stop motion shaft (9) far enough to eliminate any side play. Secure
with two setscrews (17). Make sure that the stop motion shaft (9) does not bind.
(8) Install collar screw (18) into the collar (10). Rotate collar (10) to tighten stop motion spring (11).
Make sure the stop motion collar (13) is up against machine, then tighten collar screw (18).
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