Needle Bar Height - Singer Inspiration 4228 Service Manual

Setting

Needle bar height

Check
1. Set the pattern selector at straight stitch position.
2. Turn the handwheel to bring the needle bar to its lowest posi-
tion.
3. When the upper mark (a) is aligned with the bottom face of the
bushing (b) the needle bar height is correct.
Adjustment
1. If the mark is not aligned with the bottom face of the bushing
(b), loose the screw (c) a little, and push the needle bar up or
down to bring the mark (a) to the correct position.
2. Tighten the screw (c).
3. Check by means of a twin needle that the needle bar is not
twisted, it may cause jump stitches when sewing with a twin
needle.
4. Check the hook timing and readjust if necessary.
Singer Inspiration 15