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3)
A: The deadlock position of the oil flow adjusting screw
(No.4)......Maximum flow
B: The three quarter reversing turn position of the oil flow
adjusting screw (No.4)......Standard flow
C: The full one reversing turn position of the oil flow
adjusting screw (No.4)......Minimum flow
7-5 Adjustment of the presser foot
NOTE The presser foot is a very important part to from the fine stitches. It moves simultaneously with
the needle and stabilize the needle penetrating area of the sewing material with pressing down it,
when the needle sticks into or pulls out the sewing material and prevent the skip stitch or the
cover penetration happening Please adjust the presser foot properly to the sewing materials with
the following instructions.
7-5-1 Adjustment of the presser foot position
NOTE Please always adjust the presser foot position when the thickness of the sewing material is
changed.
1) Turn the power switch OFF.
2) Remove the face plate (No.1) and the cover (No.2).
3) Turn the sewing machine pulley by and stop the needle bar (No.3) at the lowest position. At this time,
male sure the set screw (No.5) of the eccentric cam (No.4) is positioned right beside the center line
of the upper shaft. This is the standard position of the eccentric cam (No.4). If the eccentric cam
(No.4) is off from this position, set it back to the standard position with the instructions in the
paragraph [7-5-3. Adjustment of the presser foot timing] in the following page.
1)
2)
4)
Splashing condition on a paper
A
- 23 -
B
C
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