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3.2 Needle thread preparation
To prepare the needle thread , proceed as follows
-- Rotate the pulley (203) by hand until the needles come to its highest
position
-- Thread the needle thread by the path indicated in Fig 2
4. USE OF THE MACHINE
4.1 Start pedal
First of all ,switch on the machine to watch if the rotation of motor is
conformable to the red arrow on the belt cover . If the direction is
opposite , switch in the other way round. Then operate the pedal in three
different movement(Fig 3)
-- Stepping on forward (Position A) means advance. Stepping on lightly is
slow and Stepping on heavily is fast. Avoid stepping on heavily at the
very beginning.
-- Stop in the neutral position
-- Stepping on backward (Position B) means lifting the presser wheel(315)
so that it is easy to place the shoe onto the stitching area.
Fig 3
4.2 Stitching length adjustment
This setting is to determine the machine sewing stitch length or the
distance between one stitch and the next.
To adjust stitching length, proceed as follows
-- Turning the setting screw in a clockwise direction to reduce the stitching
length(Fig 4) and turning the setting screw in a anti-clockwise
direction to increase the stitching, length.
4.3 Tension adjustment s�tting of
The setting is to adjust the needle thread tension so that the stitching on
the leather is neither too tight nor too loose.
To set the needle thread tension , proceed as follows(Fig 5)
-- Rotate the thread tension nut 1 in the clockwise direction will tighten the
tension of the needle thread, and vice
-- Loosen the nut 5 and turn the thread tack-up spring shaft in the
anti-clockwise direction will increase the pressure of the tack-up spring,
and vice-versa.
-- Tighten the nut 5.
setting·
needle.thread.
versa.
-'
-2-
Fig4
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