Positions Of Upper Knifes - Husqvarna VIKING HUSKYLOCK 936 Service Manual

19. POSITIONS OF UPPER KNIFES

CHECK - 1. UPPER KNIFE
When upper knife is in its lowest position, its
cutting edge (A) should be positioned
5.0 mm from the stitch plates knife opening (D).
ADJUSTMENT
1. By turning handwheel towards you, move upper knife
to its lowest position.
2. Loosen lower knife fixing screw (B). Adjust by turning
the eccentric screw (C) until the distance between
the stitch plates knife opening (D) and the cutting edge of
the upper knife (A) is 5.0 mm
3. Tighten screw (B).
CHECK - 2. UPPER KNIFE
When upper knife is in its lowest position, its cutting edge (A) should be
positioned 1.7 mm lower than the cutting edge of the lower knife.
ADJUSTMENT
1. By turning handwheel towards you, move upper knife to its
lowest position.
2. Loosen upper knife fixing screws (B).
3. Adjust position of upper knife downwards 1.7 mm from
the utting edge of the lower knife.
4. Tighten the screws (B).
24 Husqvarna Viking Huskylock 936 104 72 49-26