TM 10-3530-207-14
5-54.
BUTTON SEWING MACHINE DRIVE PULLEY CLUTCH MAINTENANCE.
This task consists of:
a.
Removal
b.
Cleaning
c.
Inspection
d.
Repair
e.
Installation
INITIAL SETUP :
Tools:
Material/Parts:
General Mechanics Tool Kit (Appendix B,
Cleaning Solvent (Appendix F, Item 8)
Item 1)
Brush, Medium Bristle (Appendix F, Item 1)
Equipment Condition:
Rag, wiping (Appendix F, Item 2)
Pulley starter and trip block removed
Grease
(para. 5-53)
Removal.
(1)
Remove large ball (1).
(2)
Slide drive pulley (2) off the shaft
(3)
Remove spring (3) and small ball (4).
(4)
Remove set screws (5) and ball bracket base (6).
(5)
Remove bearing (7).
NOTE
Be careful not to get any oil or grease on the friction cork (10).
(6) Remove two screws (8), two nuts (9), and friction cork (10).
(7) Remove screw (11), nut (12), reverse stopper (13) and stopper spring (14).
(8) Remove setscrew (15), setscrew (16), clutch wheel (17), and key (18).
5-158