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13. TIMING OF THE HOOK
Check
1. Set a new needle size 90 universal into the ma-
chine.
2. Remove the needle plate and bobbin holder.
3. Set the pattern at [Straight stitch No.1]
(Straight stitch on center needle postion.)
4. As the needle is moving upwards, the tip of the
hook should pass behind the center of the needle,
when the needle is 2.5 mm above its lower turning
position.
Check with setting gauge, Ref. No; 63-102600-
18/000 Spacer, Ref. No: 61-111600-02/000 Feeler
gauge 2.5, Ref. No; 413 10 22-01 Needle clamp
1. Set the machine so the needle is in its center
position against the #A presser foot.
2. Turn the hand wheel until the needle is at its lower
turning position.
3. Put the spacer onto the needle bar and push it
upwards against the needle bar frame (C).
4. Take then the timing clamp and put it on the
needle bar and tighten its screw lightly.
5. Take the 2.5 mm feeler gauge and put its cutout
on the needle bar, above the clamp.
C
6. Loosen the clamp a little and push both feeler
gauge and clamp upwards against the spacer.
7. Tighten the screw on the timing clamp.
8. Remove the 2.5 mm feeler gauge.
9. Turn the hand wheel, in the sewing direction, until
the timing clamp stops against the spacer.
10. The tip of the hook should now be behind the
centre line of the needle.
Adjustment
1. Remove the front enclosure.
2. Loosen the two 2 screws (B) on the lower shaft
gear with a 2.5 mm hex. wrench.
3. Make sure that the feed dog is in its down stroke
position.
4. Repeat checking points 1 to 9 with the setting
gauges.
5. Hold the arm shaft and turn the hook until its tip
arrives behind the centre line of the needle.
6. Hold the hook in position with the left hand and
tighten one of the black screws.
7. Check.
8. Tighten all the screws.
14
Settings
2
C
A
A
2
A
2.5 mm
B
A
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