【9】ADJUSTING THE AIR BLOWER
■ W hen the needles are at the top of their stroke, set air
blower C so that air blower outlet A is 1~2mm below
the center of the left needle's eye.
Adjustment is made by loosening screws B.
Adjust the amount of air with speed controller D.
The amount should be as little as possible.
Turning the adjusting screw clockwise decreases the
amount.
counterclockwise increases the amount. The air must
blow through behind the needles.
through in front of the needles, it may cause the needle
threads to be removed from the needles.
< Note >
The air blowing time is factory-set at 1.5 sec's.
Therefore remove the fabric from the machine as soon as
the threads are cut and the presser foot is raised.
Turning
the
adjusting
screw
If the air blows
8