19
NEEDLE BAR HEIGHT
The distance between the upper edge of needle eye and the tip of the hook should be in the range
of 1.6-2.0 mm when the tip of hook meets the right side of the needle in ascending travel of needle
from its left and lowest position.
1. Remove the needle plate (A) and bobbin holder (B).
Turn on the power switch.
3. Select the pattern (simple zigzag). (Maximum zigzag width)
4. Turn the handwheel toward you until the tip of hook meets the right side of the needle.
5. Loosen the setscrew (C).
6. Adjust the height of the needle bar by moving the needle bar upward or downward without
turning it. (Make sure that the needle setting groove of the needle bar is in the front).
7. Tighten the setscrew (C).
8. Insert the bobbin holder, then attach the needle plate (A).
Needle plate (A)
Bobbin holder (B)
Setscrew (C)
Needle setting groove
Tip of hook meets right side of
needle
Needle #14
Hook race
1.6-2.0 mm
Upper edge of
needle eye
Hook race unit
MECHANICAL ADJUSTMENT
Summary of Contents for HD718
Page 1: ...SERVICE MANUAL PARTS LIST MODEL HD718 First Edition 19 May 2017...
Page 33: ...PARTS LIST...
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