Toyota 2D - Page 14

12
Troubleshooting
4. Needle and
hook
Needle bar
height
<Condition>
Needle: # 14
<Diagnosis>
Remove the extension table, and open
the shuttle cover.
When the needle bar is brought to the
lower dead point by rotating the hand-
weel, measure the clearance (A) be-
tween the needle point and the shuttle
hook center.
A = 11.2 ± 0.2
mm
[Adjustment]
page.24
5. Needle and
upper plate
spring
Clearance
between
needle and
upper plate
spring
<Condition>
<SD>
Pattern selection dial: "11"
<2D>
Pattern selection dial: "7"
<3D>
Pattern selection dial: "3"
Stitch width lever: "5"
<Diagnosis>
When the needle bar is brought to the
lower dead point at the right side by
rotating the handweel, measure the
clearance (A, B) between the needle and
the upper plate spring.
A = 0.5 to 1.2
mm
B = 0.5 to 1.0
mm
[Adjustment]
page.28
Step Item Diagnosing Method Standard
Reference
Page