Service manual

S-4000 BH Omron
1-47
Released 05/2010
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E - MACHINE ADJUSTMENTS
15. KNIFE AND THE BUTTONHOLE LENGTH ADJUSTMENTS
1. Setting the knife depth
a) Switch the air pressure off
b) Manually press down on the knife lever
c) ensure the knife blade is aligned with the lower
edge of the throat plate
d) If incorrect, loosen the knife screw
➊ and
move the knife ➋ as needed. Tighten the knife
screw ➊
e) Loosen the nut ➌ and move the stop ➍ to the
knife. Tighten the nut ➌
f) Switch the air pressure on
➊
➋
➑
➐
➍
➌
➎
➏
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