JUKI MEB-3200 Engineer's Manual page 65

Adjustment Procedures
1. Call Test mode No. 4 and change over to the turning axis
(Pattern No. 3). (Refer to "8.-(4) Crosswise feed / lengthwise
feed / turning origin check".)
2. Loosen two setscrews 1 in the turning sensor slit installing
plate.
3. Move turning sensor slit 2 in the direction of the arrow mark
"a" and adjust so that marker dot 3 engraved on the machine
bed is aligned with marker dot 4 engraved on looper bracket
5 at the time of turning origin.
Adjustment Procedures
1. Loosen two setscrews 3 in the main shaft sensor installing
plate.
2. Adjust the notch of main shaft sensor installing plate 4 to
marker dot 6, and temporarily tighten two setscrews 3 in the
main shaft sensor installing plate.
3. Call Test mode No. 1 and change over the pattern No. to No.
19.
4. Turn the main shaft by hand to bring the needle bar to its inside
needle upper dead position.
5. Loosen setscrew 2 in the main shaft sensor slit.
6. Adjust main shaft sensor slit 1 so that the 4-digit display LED
becomes [0111], and tighten setscrew 2 in the main shaft
sensor slit.
7. Loodsen again two setscrews 3 in the main shaft sensor
installing plate.
8. Adjust the notch of main shaft sensor installing plate 4 to
marker dot 7, and tighten two setscrews 3 in the main shaft
sensor installing plate.
Results of Improper Adjustment
When the marker dots are not
aligned with each other :
™ Stitches of the parallel section
and eyelet section tilt.
Results of Improper Adjustment
When the main shaft sensor is
slipped
™ The stop position of the needle
bar is lowered.
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