JUKI LH-4128-7, Руководство инженера

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8) Raise the sewing machine.
9) Attach the throat plate in position.
10) Attach the presser foot in position.
11) Attach the wiper in position in the
case of the thread trimmer. Refer to “5.-(13) Wiper components”
12) Adjust the feed dog support screw .
Loosen the nut , adjust the feed dog support screw to the position where it comes in contact with
the feed dog , and tighten the nut .
Needle hole in
the feed dog
Needle
Clearance
Clearance
13) In the case of the thread trimmer, tighten four setscrews
of the connector link (asm.) while the
knife driving arm is pressed against the stopper .
(Caution) 1. When attaching feed fog , confirm that it is equidistantly spaced in the feed dog slot in
throat plate with respect to the lateral direction. Also confirm that the needle enters
the center of the needle hole in feed dog .
2. When attaching the presser foot, confirm that the needle does not come in contact with
the hook.