10
■
Set the clearance between the right needle and the
point of the looper at 0~0.05mm when the point of
the looper has reached the center of the right needle
from the extreme right end of its travel.
When the point of the looper has reached the center
of the left needle, make sure the left needle does not
touch the looper by pressing the left needle
backward. Then turn the needle guard (rear) with
screw B to set the clearance between the needle
guard (rear) and the needle at 0.1~0.15mm.
Adjust the needle guard (rear) front to back with
screw C.
6-2 Position of the needle guard (front)
Set the clearance between the needles and needle
guard (front) A when the point of the looper has
reached the center of the right and left needles at
0~0.05mm. To make this adjustment, loosen screw
B.
From the library of: Superior Sewing Machine & Supply LLC
