KANSAI SPECIAL DFB Series, Instruction

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B. Relation with needle bar stroke
When the tip of needle reaches at the top
surface of needle plate, the retainer should be
the position of extreme right end or left end of
its stroke.
< Adjustment >
Set up the tip of needle is located the top surface
of needle plate and holding the position, then
tighten the screw on the oil pump driving warm
gear, when the retainer is located the extreme
right end or left end.
C. Adjustment of elastic thread tension
Elastic thread tension is adjusted by connecting
bar in MD-1 device for PQ.
< Adjustment >
Loosen a nut on rod, it is possible to adjust the
elastic thread tension by the nut move to up or
down. To increase, the nut moves to down.
To decrease, the nut moves to up.
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MR ADJUSTMENT
1 7 - 1 A d j u s t i n g l o w s t r i p p e r b l a d e
The hight (Y) of low stripper blade A should be
about 1~3mm from the surface of needle plate and
then the fablic can be through the clearance (Y) by
loosening screw D and move the bracket C to up or
down. See the Fig 1. The clearance (X) between
the needle and the tip of low stripper blade A should
be about 4~5mm by loosening screw B and move A
to front or back. See Fig 1.
F i g 1