25
TO ADJUST THE POSITION
OF THE KNIVES
Correct setting:
The top of the lower knife should be leveled with the surface of needle plate. When the upper knife is at the
lowest position, the front lower corner of upper knife should be 0.8 mm to 1.5 mm below the edge of lower
knife.
To adjust:
1: Before proceeding with this adjustment, check the upper knife timing.
2: Loosen the two set screws A, and adjust the lower knife position.
3: Turn the handwheel to bring upper knife to the lowest position.
4: Loosen the hexagonal bolt B, and adjust the position of upper knife.
5: Tighten the hexagonal bolt.
