Needle Height; Needle/Looper Front-To-Back Relationship - KANSAI SPECIAL MZ Series Instructions Manual

5 5 5 5 - - - - 4 Needle height

4 Needle height 4 Needle height 4 Needle height
The point of the looper should be 0.8~1.2mm above the
top of the left needle's eye on the back side of the
needle when the point of the looper has reached the
center of the left needle with the machine pulley
turning in the operating direction (see 5-2).
To adjust the height of the needle,
1. Set the needle bar at the top of its stroke.
2. Remove the plug on the head cover.
3. Loosen screw A.
4. Move the needle bar up or down.
< Note >
After the above adjustment, install the needle plate and
check to make sure each needle drops into the center of
each needle hole.
5 5 5 5 - - - - 5 Needle/looper front 5 Needle/looper front- - - - to to to to- - - - back relationship
5 Needle/looper front 5 Needle/looper front
The point of the looper should be 0.8~1.2mm above the
top of the left needle's eye on the back side of the needle
when it has reached the center of the left needle.
With the point of the looper at this position, set the
clearance between the left needle and the point of the
looper at approximately 0.2~0.3mm.
Then the looper should barely touch the right needle.
■On 3 -needle machines, the clearance between point A
of the looper and left needle C should be 0.2~0.3mm.
To make this adjustment, loosen screw D on the looper
holder first. Then adjust the needle guard (rear) so
that it presses right needle B slightly to the front.
With the needle guard (rear) and needle B in this
position, set the clearance between the point of the
looper and needle B at 0~0.05mm.
■On 2-needle machines, the clearance between point A
of the looper and left needle F should be 0.2~0.3mm.
To make this adjustment, loosen screw D on the looper
holder first. Then adjust the needle guard (rear) so
that it presses right needle E slightly to the front.
With the needle guard (rear) and needle E in this
position, set the clearance between the point of the
looper and needle E at 0~0.05mm.
< Note >
When moving the looper holder front or back, be careful not to change the looper
setting distance.
back relationship
back relationship back relationship
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