TM 10-3530-207-14
5-49. BUTTON SEWING MACHINE THREAD TENSION ROD ASSEMBLY MAINTENANCE.
This task covers:
a.
Removal
b.
Cleaning
c.
Inspection
d.
Repair
e.
Installation
f.
Adjustment
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)
Automatic thread tension disk spring
and stud removed (para. 5-44)
Side cover removed (para. 5-42)
Removal
(1) Loosen both rod adjustment nuts (1).
(2) Using a pair of pliers, grip the thread tension rod (2) at the rod adjustment nuts (1) and push up to
overcome the thread tension spring (3) enough to remove the thread tension sleeve (4)
(3) Remove two rod adjustment nuts (1).
(4) Remove the thread tension rod (2) out of the top of the machine
(5) Remove thread tension spring (3).
5-141