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5. Setting the main feed-dog height
Requirement:
The main feed dog 9 and the differential feed dog 10 must be positioned at the same height (fig. 9).
Check:
● Set the stitch length adjustment knob to “0.5”.
● Set the regulator wheel for the differential feed to “1”.
● Turn the handwheel in the normal direction until the main feed dog, in its upward movement, is flush
with the surface of the needle plate.
● Carry out a visual check.
Setting:
● Loosen the fastening screw 11 on the main feed dog.
● Move the main feed dog 9 until the feed dog is flush with the surface of the needle plate.
● Tighten the fastening screw 11 on the main feed dog.
Test:
● Carry out a visual check.
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