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[Conditions]
・Amount of feed: 6 mm
・Alternating vertical movement amount: 3 mm
・When the needle and the walking foot come down
❸
❶
Top end of the eyelet of needle ❶ , top surface of
throat plate ❷ , undersurface of walking foot ❸ and
top surface of feed dog ❹ are aligned.
❶
❷
❺
❷
❹
❸
❹
❺
❻
❻
3)
Press the standby switch.
4)
Remove the top cover.
Loosen top feed cam setscrews ❻ (two pieces).
5)
6)
On the condition that the amount of the alternating
vertical movement of the walking foot and presser
foot is uniform, turn top feed cam ❺ in such a way
that needle ❶ , throat plate ❷ , walking foot ❸ and
feed dog ❹ are positioned as shown in the figure
on the left.
Tighten top feed cam setscrews ❻ (two pieces).
7)
8)
Attach the top cover in place.
– 19 –
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