Service manual

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Revised 03/2006
S-311
1-45
1 2. S P R E A D E R S A D J U S T M E N T
To reach this, rotate the hand wheel.
12.1. Adjust the right spreader Ó to the right looper edge Ò, the left spreader with the groove on
the hole of the left looper Ï. To adjust, loosen the screws and adjust the stops . The stops
can not slacken.
12.2. Check the clearance between the loopers and spreaders (it must be minimal).
Right - 0,05 mm maximum, so the sewing thread does not go between the right looper and
spreader.
Left - 0,01 mm minimum, so the sewing thread goes between the right looper and spreader.
12.3. Check clearance between needle Ð and support . Tilt the support to obtain 0,05 mm,
clearance between the needle and looper carrier should be 0,2 mm, for needle Nm 100.
12.4. Check the clearance between the needle Ð and the stitching plate .
12.5. The position of the left spreader and right spreader Ó, loosen the screw and carefully
place the bracket by turning the spreader rod. The right spreader must be at the home
position at the moment when returning to buttom dead position. This adjustment affects
stretching out of the left spreader.
E - STANDARD MACHINE ADJUSTMENT
by used thread






0,05mm