Left Straight Stitch Needle Drop And Zigzag Stitch Maximum Left Needle Drop Position - Brother XM3700 Service Manual

Adjustment
[Standard]
The left needle drop position at pattern selection dial [3] (zigzag stitch) and stitch width
dial [5] (maximum) and the needle drop position at pattern selection dial [2] (straight
stitch) and stitch width dial [5] (left base line) should be matched.
[Adjustment]
1. Turn off the power, and then remove the foot controller.
2. Remove the face plate and the pattern selection dial, and remove the front cover and
the rear cover.
3. Attach the size 90/14 needle.
4. Attach the pattern selection dial.
5. Turn the pattern selection dial until the [3] is the topmost position.
6. Turn the stitch width dial until the [5] is the topmost position.
7. Move the needle bar to the leftmost position by turning the pulley by hand.
Stitch width dial
8. Lay a paper on the needle plate, and lower the presser foot lifter to lower the presser foot. And make a pinhole
with needle top by turning the pulley by hand from the rear to the front, and then turn the pulley in the reverse
to raise the needle bar.
*Key point
• Keep a paper from moving by hand, after making a pinhole to the paper.
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Left straight stitch needle drop and zigzag stitch maximum
left needle drop position
Pulley
Pattern
selection dial
Needle
Presser foot
Pin hole
Paper
4 - 23
Needle bar
Presser foot lifter