5. STANDARD ADJUSTMENT (MACHINE HEAD)
5-7-3. Replacing the movable knife and fixed knife
1. Open the large shuttle hook cover, remove the screw q, and then remove the feed plate w.
2. Remove the two screws e and the two screws r, and then remove the needle plate t.
3. Remove the thread trimmer connecting rod y from the connecting rod lever pin u.
―43―
BAS-705
《first bar tacking》
《second bar tacking》
e
r
t
u
y
t
q
r
w
e
t
t
y
u