3. Height of feed dog
CORRECT HEIGHT – When feed dogs are top position, make sure the clearance
of 0.9mm between presser foot and needle plate.
4. Tension release & Dropped feed dog adjustment
4-1.Tension release
a) In case you replace face cover, make sure the tension release lever
catches the Tension release pin correctly (fig.A)
b) Double check disks are open perfectly when presser bar lifter is lifted.
4-2. Dropped feed dog adjustment
Make sure feed dog height is correct,before you adjust following items.
a) Loosen adjusting screw (B).
b) Lift the presser bar lifter and make sure feed dog is dropped position.
c) Rotate machine pully, Make sure Feed dog crutch arm (E) swings up and
down.
d) Tighten the screw (B) until Feed dog crutch arm does not swing.
e) Drop the presser bar lifter, make sure dropped feed dog mechanism does
work correctly when presser bar lifter is lift position.
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