−39 −
A
A’
B
B’
1.1 mm
@7
@8
@6
@5
@4
MFC
Standard Adjustment
8) Position of the feed dog
™ The clearance between the slot on the throat plate and the left/right sides of the feed dog should
be equal.
™ In the maximum stroke end of the main feed dog and differential feed dog, the clearance should be
equal to A = A’ and B = B’.
™ Height of the feed dog is 1.1 mm at the top of their stroke.
™ Tilt of the feed dog is parallel to the throat plate when the needle bar is in its highest position.
™ Adjust so that the throat plate and the differential feed dog do not contact each other even if the
stroke is maximized.
™ Adjust so that the throat plate and the main feed dog do not contact each other even if the main
feed dog is in its maximum stroke end.
From the library of: Diamond Needle Corp
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