ELNA eXpressive 970, Руководство по обслуживанию, Страница: 56 / 65

55
Replacing the Timing Belt
1. Remove the spool stand, static head right cover and
left cover (see pages 4 – 6).
2. Remove the two setscrews (A) and the pointer.
3. Remove the three setscrews (B) and CPU board.
4. Remove the motor belt (see page 57).
5. Loosen the two setscrews (C) and remove the idler.
6. Replace the timing belt.
7. Attach the parts removed in steps and 5.
8. Adjust the timing belt tension (see the previous
page).
9. Check the following items and adjust them if necessary.
• Needle bar lowest position
• Hook timing
• Thread cutter timing
10. Attach the parts removed in steps 1 – 3.
Setscrews (A) Pointer
CPU board
Setscrews (B)
Timing belt
Idler
Setscrews (C)