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Adjustment
[Standard]
At the left needle position straight stitch of pattern selecting dial, the right edge of the
needle matches up with the outer rotary hook point when the needle bar is raised 3.1 ±0.2
mm (2.9 to 3.3 mm) from its lowest point.
[Adjustment]
1. Turn off the power, and then remove the foot controller.
2. Remove the face plate assy, the pattern selecting dial and the feed dial, and remove the
front cover assy and the rear cover assy.
3. Remove the needle plate assy, the presser foot and the inner rotary hook assy.
4. Attach the size 90/14 needle.
5. Attach the stitch length dial and the pattern selecting dial.
6. Turn the pattern selecting dial until the left needle position straight stitch is the topmost position.
7. Loosen the two screws of the timing pulley D.
8. Raise the needle bar up 3.1 mm from its lowest point by turning the pulley by hand from the rear to the front.
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Needle bar rising
Pulley
3 - 10
Set Screw, Socket (FT) M5X5
Pattern selecting dial
Hex wrench
2.5 mm
Needle bar
3.1 ±0.2 mm (2.9 - 3.3 mm)
Screws
Timing pulley D
Lowest point
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