18
Singer Furura XL-550
13. The timing of the hook in relation to the needle
Check
- Set a new needle size 90 universal into the machine.
- Remove the needle plate, bobbin case holder and the bobbin case.
- Set machine on straight stitching.
- As the needle is moving upwards, the tip of the hook should pass behind the centre of the needle, when
the needle is 2.8 mm above its lower turning position.
NOTE!
Before any adjustment is done check that the setting "7. Feed timing" is correct.
Check with setting gauge,
Spacer, Ref. No: 63-102600-18/000
feeler gauge 2.8
Needle clamp Ref. No: 413 10 22-01
1. Turn the hand wheel until the needle is at its lower turning position.
2. Put the spacer onto the needle bar and push it upwards against the needle bar frame (C).
3. Take then the timing clamp and put it on the needle bar and tighten its screw lightly.
4. Take a 2.8 mm feeler gauge (A) and put its cutout on the needle bar, above the clamp.
5. Loosen the clamp a little and push both feeler gauge and clamp upwards against the spacer.
6. Tighten the screw on the timing clamp.
7. Remove the 2.8 mm feeler gauge (A).
8. Turn the hand wheel, in the sewing direction, until the timing clamp (B) stops against the spacer.
9. The tip of the hook should now be behind the centre line of the needle.
Adjustment
1. Loosen the 2 setting screws in the wheel of the lower shaft.
2. Make sure that the feed dog is in its down stroke position.
3. Repeat checking points 1 to 8 with the setting gauges.
4. Turn the hook until its tip arrives behind the centre line of the needle.
5. Tighten one of the setting screws.
6. Check.
7. Tighten both screws.
A
B
C