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S-4001 ISBH+I SM 30°
Released: 09/2017
E-mail: [email protected]; webside: amfreece.com
Phone: +420 582 309 146; Fax: +420 582 360 606
E - STANDARD MACHINE ADJUSTMENT
The first looper adjustment
1. Bring the machine to the home position and
loosen the screws
13
of the looper cam
8
and
adjust the looper cam to the lowest position.
2. Loosen the looper set screw
15
and turn the
looper to be perpendicular to the hole in the
looper holder.
3.
Install the holder with the first looper
14
on the
shaft.
4. Loosen the looper holder screw
16
and move
the holder so that the needle passes the looper
in the center of the looper recess. There m u s t
be clearance 0,4 mm between the needle and
the looper recess. Tighten the looper holder
screw
16
.
5. Loosen the looper screw
15
and turn the looper
14
to the needle to obtain the distance 0,1 mm
between the needle and the looper tip.
6. Turn the hand wheel counter clockwise and
insert the gauge
17
with 1 mark (wider side of the
gauge) between the needle bar holder and t h e
needle bar clamp when the needle returns to the
home position from the lower position.
7. Check to determine if the tip of the looper is at
the centerline of the needle 1 mm above the
needles eye.
8. If incorrect - loosen the looper cam screw
13
by
the wrench and hold it . Turn the hand wheel
(counter clockwise - if the looper tip is higher
than1 mm; clockwise - if less than 1 mm). Tighten
both looper cam screws
13
securely.
9. If it is necessary to adjust the looper cam again,
check the clearance 0,4 mm between the needle
and the looper recess.