TM 10-3530-207-14
5-51. BUTTON SEWING MACHINE ARM CLAMP AND SPREADER MAINTENANCE - continued.
(7)
Install screw (2) to left button clamp (3) and screw (6) to right button clamp (7).
(8)
Install closing spring (15)
(9)
Install the spreader base (8) to the arm hinge pin (16). Secure with two spreader screws (17) and
two washers (18).
(10)
Install the clamp lever (19) to the arm hinge pin (16). Secure using thumbscrew (20) and washer
(21).
Installation. Install button clamp assembly (para 2-13).
5-149