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Maintenance
Fig. 75: Securing the shafts of the stitch length adjusting wheels (2)
⑦
(6) - Screws
(7) - Lever
(8) - Screws
5. To secure the upper stitch length adjusting wheel:
The shaft of the upper stitch length adjusting wheel has been
Service Instructions 969 - 06.0 - 03/2019
⑥
• Slide the lever (7) to the left
• Loosen the screws (6)
• Remove the upper stitch length adjusting wheel (1)
• Tighten the screw (10)
Only tighten the screw (10) far enough to secure the shaft, making
sure that the shaft cannot move easily, but the stitch length can still
be set.
secured.
• Place the upper stitch length adjusting wheel (1)
• Tighten the screws (6)
⑪
⑧
(9) - Screw
(10) - Screw
(11) - Bolt
⑥
⑩
⑨
101
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