Machine head
Service Instructions 745-35-10 S/745-35-10 A - 02.0 - 04/2017 49
Proper setting
The loop stroke is the distance the needle bars travel from bottom dead
center to the point where the hook tips (2) are level with the middle of the
needle (1). The loop stroke is 2 mm. It is set using the locking peg
(part number 0211 000700).
Fig. 37: Setting the loop stroke (2)
To set the loop stroke:
1. Remove the throat plate.
2. Remove the bobbin case top parts (3) along with the bobbins.
3. Turn the handwheel to move the machine head to the loop stroke
position and lock the machine head in place using the locking peg.
4. Check the position of the hook tips to the needles.
5. Swivel up the machine head ( p. 16).
6. Remove the plastic stoppers (4).
7. Loosen the screws found below the plastic stoppers (4).
8. Turn the hook manually until the hook tips are level with the middle of
the needle.
9. Tighten the first of the screws found below the plastic stoppers (4).
10. Remove the locking peg.
11. Continue to turn the machine and tighten the second screw.
12. Press the plastic stoppers (4) back into the holes.
13. Swivel down the machine head ( p. 18).
(3) - Bobbin case top parts (4) - Plastic stoppers
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