Positioning the toothed belt wheels
Service Manual 867 Version 02.0 - 04/2015 25
6.2 Lower toothed belt wheel
Proper setting
The two setscrews for the lower toothed belt wheel are seated completely
on the surface of the lower shaft.
The toothed belt runs correctly without running against the retaining ring
or slipping off.
Cover
• Tilt the upper section ( 3.3.1 Access to the machine bottom section,
page 12)
Fig. 15: Setting the lower toothed belt wheel
Setting steps
1. Loosen the setscrews (4).
2. Turn the lower toothed belt wheel (3) such that the setscrews (4) are
seated on the surface of the arm shaft.
3. Move the lower toothed belt wheel (3) to the side such that the toothed
belt (1) makes contact with the retaining ring (2), without being pushed
away.
4. Tighten the setscrews (4).
WARNING
Risk of injury
Crushing injuries from moving parts.
Switch the sewing machine off before you check
and set the lower toothed belt wheel.
2
1
3
4
(1) - Toothed belt
(2) - Retaining ring
(3) - Lower toothed belt wheel
(4) - Setscrews
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