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DURKOPP ADLER 669 ECO - Page 86

DURKOPP ADLER 669 ECO
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Setup
84 Operating Instructions 669 - 00.0 - 08/2019
5. Guide the V-belt (6) downwards through the cut-out in the
tabletop.
6. Loosen the screw (3) on the base of the sewing drive.
7. Put the V-belt (6) on the sewing drive’s belt pulley.
8. Mount the protective belt cover (2) on the machine head.
9. Mount the handwheel (1).
10. Loosen the screw (3) on the base of the sewing drive.
11. Tighten the V-belt (6) by swivelling out the sewing drive.
When the belt has the correct tension, you should be able to
press down with your finger in the middle of the V-belt (6) so
that the V-belt (6) moves about 10 mm down.
12. Fasten screw (3).
13. Adjust the belt run-off safeguard (5).
When the machine head is tilted back, the V-belt (6) must
remain on the belt pulley.
14. Tighten the protective belt cover (4).

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