3-9 Adjustment of feed rock shaft and
feed lifting rock cam
- Remove the cord reel cover and free arm
cover.
- Turn the hand wheel to make the needle at
its lowest point.
- Check if the feed lifting rock cam (a) and the
screw (b) of feed rock cam (c) are parallel.
- If the screw of feed rock cam are not
parallel:
Loosen the screw (b) of feed rock cam (c)
adjust the screw and front gauge correction
to the middle.
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