12
6666----6 Relationship between the needles and needle plate
6 Relationship between the needles and needle plate
6 Relationship between the needles and needle plate
6 Relationship between the needles and needle plate
When the height of the needle bar is adjusted, check to
see if each needle is centered in its needle drop hole.
6666----7 Needles/loopers front
7 Needles/loopers front
7 Needles/loopers front
7 Needles/loopers front----to
to
to
to----back relationship
back relationship
back relationship
back relationship
The looper passes behind the needle when it moves
from the extreme left end of its travel to the right.
When the point of the looper has reached the center of
the needle, the looper should be as close to the needle
as possible with no contact between the looper and the
needle. Adjustment is made by loosening screw K on
the looper holder. When the looper moves to the left
from the extreme right end of its travel while the
needle is descending to the back of the looper blade,
check to see if the needle touches slightly the back side
of the looper.
If the needle is bent by the looper or there is a
clearance between the needle and the looper, adjust the
amount of looper front-to-back movement by referring
to the below.
6666----8 Adjusting the amount of looper front
8 Adjusting the amount of looper front
8 Adjusting the amount of looper front
8 Adjusting the amount of looper front----to
to
to
to----back movement
back movement
back movement
back movement
Remove the side cover of the cylinder.
Loosen screw L (see the illustration) on the looper
avoiding rod. Move the looper avoiding rod up or
down as required. Raising the rod decreases the
amount.
Lowering the rod increases the amount.
