5-15. CLOTHING SEWING MACHINE BOBBIN ASSEMBLY MAINTENANCE
This task covers:
INITIAL SETUP :
Equipment Condition :
General Mechanics Tool Kit (Appendix B,
Sewing machine removed (para. 2-8).
Needle and thread removed (para. 2-8).
Bobbin and bobbin case removed (para. 2-11).
Rag, wiping (Appendix F, Item 2)
Presser foot and throat plate removed (para. 5-14).
Cleaning Solvent (Appendix F, Item 8)
Medium Bristle Brush (Appendix F, Item 1)
Removal. Place machine on its side.
Needle bar must by fully up.
Remove two screws (1).
Remove race shuttle assembly (2) from the sewing
Remove two screws (1) and race ring (2).
Remove screw (3), race back (4), race ring back (5) and shuttle hook (6) from race body cap