18
Setscrew (A)
Hexagonal socket
screw (D)
Thread guide
cover (C)
Setscrew (B)
Tension release plate (F)
Tension release arm (E)
Needle thread
tension unit (G)
[ To remove ]:
1. Loosen the screws (A), (B), (C) and (D)
on page 4 (it is not necessary to remove
the connectors)
2. Remove the face plate.
3. Remove the setscrews (A) and (B).
Remove the thread guide cover (C).
4. Loosen the hexagonal socket screw (D).
5. Remove the tension release plate (F)
from the tension release arm (E).
Remove the needle thread tension unit
(G).
[ To attach ]:
Reverse the above procedure.
TO REPLACE NEEDLE THREAD TENSION UNIT
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