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Adjusting The Needle Bar Lift Amount And The Driver Needle Guard; Adjusting The Needle Clearance - Brother KE-430F Instruction Manual

Electronic direct drive lockstitch bar tacker electronic direct drive lockstitch button sewer.
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9-3. Adjusting the needle bar lift amount and the driver needle guard

1. Turn the machine pulley to raise the needle bar from the lowest position until the lowest reference line on the needle bar
(reference line B) is aligned with the lower edge of the needle bar bush (1).
* If using a DP x 5 needle, align with reference line b which is the second reference line from the top.
Check that the wiper and the needle do not touch when lowering the needle bar. If the wiper is in a position where it
will touch the needle, move the wiper to the right by hand so that it does not touch the needle.
2. Loosen the bolt (2).
3. Move the driver (4) to adjust so that the tip of the rotary hook is aligned with the middle of the needle and so that the
driver needle guard (3) is touching the needle, and then tighten the bolt (2).
If the needle contact pressure is too great, skipped stitches may occur. On the other hand, if the driver needle guard
(1) is not touching the needle, the tip of the inner rotary hook will obstruct the needle, resulting in an excessively high
amount of friction.

9-4. Adjusting the needle clearance

Turn the pulley to align the tip of the rotary hook with the needle center line. Then loosen the set screw (1) and turn the
eccentric shaft (2) to adjust so that the clearance between the needle and the rotary hook is 0.01 - 0.08 mm.
Middle of the needle
0.01 - 0.08mm
KE-430F, BE-438F


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Be-438fKe-430f series

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