17
Troubleshooting
1. Feed dog
Sideways
position of
feed dog
<Diagnosis>
Remove the presser foot.
When the feed dog is brought to the high-
est position (= upper dead point of needle
bar) by rotating the handweel, measure
the sideways position (A, B) of feed dog.
A = B
[Adjustment]
page.34
2. Presser foot
Presser
foot height
<Diagnosis>
Set the presser foot.
Lift the presser foot.
Measure the clearance (A) between the
presser foot and the surface of needle
plate.
A = 5 to 6 mm
[Adjustment]
page.37
Step Item Diagnosing Method Standard
Reference
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