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7. Move the hook support (3) sideways such that the distance between
Information
You can slightly loosen the threaded pins (1) if the hook support can only
be moved with difficulty.
8. Tighten the screws (4).
9. Tighten the threaded pin (2).
10. Remove the lock.
11. Finish the service routine.
Order
Then, check the following setting:
8.2 Adjusting the looping stroke position
The looping stroke is the path length from the lower dead center of the
needle bar up to the position where the hook tip is exactly on the vertical
center line of the groove for the needle.
Order
First, check the following settings:
Fig. 39: Adjusting the looping stroke position (1)
(1) - Vertical center line of the needle
54
the hook tip and the groove of the needle is no greater than 0.1 mm.
• Position of the needle guard ( p. 57)
• Needle bar linkage is aligned correctly ( p. 47), ( p. 49)
①
②
Position of the hook and needle
(2) - Hook tip
Service Instructions D867 e-con - 00.0 - 08/2023
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