Toyota 2D - Broken or bent needle

13
Troubleshooting
4.Broken or bent needle
[Example of phenomenon] [Check item before adjustment]
Is home-use sewing machine needle (HA × 1)used?
Is the needle installed correctly?
Is the upper thread threaded properly?
Is a proper presser foot used?
Is the upper thread tension too strong?
Step Item Diagnosing Method Standard
Reference
Page
1. Needle and
needle plate
Needle
dropping
points
(At
straight
stitching)
<Condition>
<SD>
Pattern selection dial: "6"
<2D>
Pattern selection dial: "4"
<3D>
Pattern selection dial: "3"
Stitch width lever: "0"
<Diagnosis>
Rotate the handweel, bring down the
needle lower than the surface of needle
plate.
Measure the relative position (A, B) be-
tween the needle and the slot.
A = B
[Adjustment]
page.30
Needle
dropping
points
(At
maximum
zigzag
stitching)
<Condition>
<SD>
Pattern selection dial: "11"
<2D>
Pattern selection dial: "7"
<3D>
Pattern selection dial: "3"
Stitch width lever: "5"
<Diagnosis>
Rotate the handweel, bring down the
needle lower than the surface of needle
plate.
Measure the relative position (C) be-
tween the needle and the slot.
C = 0.7 ± 0.3
mm
[Adjustment]
page.30