Timing Of Hook And Needle - Singer Inspiration 4228 Service Manual

Timing of Hook and Needle

Check
NOTE! Before checking hook timing, check the following first.
- Needle bar height
- Needle to hook relationship.
- Needle bar safety bight stop.
- Hook belt drive tension.
1. Place a size 18/110 needle in the machine
2. Turn the handwheel to the front of the machine, to
so the needle bar comes to its lowest position, continue
turning to raise presser bar until the central mark (a) to is
flush with bottom face of bushing (b).
3. the point of the hook (c) should now be in the center of
the needle blade.
Adjustment
1. Turn the handwheel to the front of the machine, to so the
needle bar comes to its lowest position, continue turning to
raise presser bar until the central mark (a) to is flush with
bottom face of bushing (b).
2. the point of the hook (c) should now be in the center of
the needle blade.
3. Loose the two screws (d) of the pulley (e). Turn the pul-
ley until the hook point is behind and in the center of the
needle.
4. Push the pulley up and tighten the two screws. Recheck
and readjust if necessary.
5. After, check the needle bar height.
Setting
Singer Inspiration 21