To Adjust Tension Release Mechanism (1) - Janome MC6300P Service Manual

When the presser bar lifter is lifted, the opening between the tension discs (D) should be 0.8mm (C).
Tension discs
Opening (D)
Eccentric
pin

TO ADJUST TENSION RELEASE MECHANISM (1)

0.8mm
Setscrew (A)
Setscrew (A)
1. Remove the face plate and thread guide (refer
to pages 1 and 6).
2. Loosen the setscrew (A).
3. Adjust the opening by turning the eccentric pin.
4. Tighten the setscrew (A).
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