−45 −
MFC
Standard Adjustment
12) Position of the presser bar
When the feed dog is under the lower part of the throat plate and the bottom face of the presser foot
contacts the upper face of the throat plate at the lowest point of the needle bar, the clearance between
the presser bar bracket and the upper end of the presser bar bushing is 0.8 mm.
Presser bar bushing
Presser bar bracket
0.8 mm
13) Position of the needle thread tension release (without thread trimmer)
When the presser foot is raised by 3.0 mm, the thread tension opening pawl C contacts the thread
tension disc D , and when the presser foot is raised at its highest point, the thread tension disc opens
and there is no tension on the thread.
Throat plate
3 mm
From the library of: Diamond Needle Corp
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