– 28 –
™ Insert a clearance gauge of 0.5 mm to contact part
of 1 moving knife roller arm asm. and 2 looper
link arm asm. and press 2 looper link arm asm. to
1 moving knife roller arm asm.
™ In aforementioned state, make 3 link arm fixing
plate come in contact with 4 link arm support plate
pin, and fix it with setscrew.
™ Adjustment of position of 5 nut of wire setscrew
(Refer to item 5 of adjustment of thread tension
disk open/close, p.27.)
™ After adjustment of position of looper, tighten looper
link setscrew. (Refer to item 4, p.27.)
Roller holding cam
Setscrew
5 Nut
3 Link arm
fixing plate
1 Moving knife
roller arm
2 Looper link arm
0.5 spacer
4 Link arm support
plate
Link arm support plate pin
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