Noisy - Take Up Lever Adjustment; Needle Drop Position Adjustment - Singer 4423 Service Manual

3-2 Noisy - take up lever adjustment
- Remove the face plate and front cover.
- Turn around hand wheel, check noisy and
movement.
- Remove the screw (a), push take up lever
support (b) right to proper location, tight the
screw (a). (1)
- If adjustment is too tight, it will be difficult to
move during turn around hand wheel.
- If adjustment is too loose, it will be made
noisy during turn around hand wheel.
3-3 Needle drop position adjustment
- Remove the face plate.
- Set the pattern selector dial to "
Turn the stitch width dial to "0".
- L o o s e n t h e s c r e w ( a ) o f n e e d l e b a r
supporter. (1)
- Turn needle bar supporter (b) forward /
backward to adjust needle. (1)
Backward (↑) to move needle forward
Forward (↓) to move needle backward
- Set needle position above center of needle
plate and fasten the screw (a). (1)
* The space between needle and the tip of
the shuttle hook holder should be 0.05~0.10
mm.
" or " ".
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