TM 10-3530-207-14
5-61. BUTTON SEWING MACHINE ECCENTRIC, DRIVE SHAFT, LOOPER CAM AND CRANK
MAINTENANCE.
This task covers:
a.
Removal
b.
Cleaning
c.
Inspection
d.
Repair
e.
Installation
f.
Adjustment
INITIAL SETUP :
Tools:
Equipment Condition:
General Mechanics Tool Kit (Appendix B,
Pulley clutch removed (para. 5-54).
Item 1)
Feed cam removed (para 5-58)
Materials/Parts:
Bottom needle bar rod removed (para. 5-45).
Rag, wiping (Appendix F, Item 2)
Cleaning Solvent (Appendix F, Item 8)
Brush, Medium Bristle (Appendix F, Item 1)
Removal.
(1) Loosen clamp screw (11), rotate looper drive gear eccentric to clear gears.
(2) Loosen two setscrews (1) and setscrew (2).
NOTE
Pins (3), (4) and (5) are tapered and are different in size.
(3) Drive out gear pin (3), gear pin (4) and pin (5).
5-183
