Position of the hook and needle
Service Manual 867 Version 02.0 - 04/2015 45
Fig. 32: Setting the hook clearance
1. Machine locked in place at position 1 ( page 18).
2. Loosen the screws (4) for the hook support (3).
3. Loosen the setscrews (2) for the hook clamping ring (1).
4. Move the hook support (3) sideways such that the distance between the
hook tip (6) and the groove for the needle (5) is 0.1 mm at most, without
the hook tip (6) touching the needle.
5. Tighten the screws (4) for the hook support (3).
6. Check the loop stroke position ( page 45).
7. Tighten the setscrews (2) for the hook clamping ring (1).
8. Remove the lock ( page 19).
Order
Then check the following setting:
• Position of the needle guard ( 10.3 Adjusting the needle guard,
page 47)
10.2 Setting the loop stroke position
The loop 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.
3
6
4
5
4
1
2
(1) - Clamping ring
(2) - Setscrews
(3) - Hook support
(4) - Screws
(5) - Needle groove
(6) - Hook tip
WARNING
Risk of injury
Risk of crushing injuries and stab wounds from mov-
ing and sharp parts.
Switch off the sewing machine before checking and
setting the loop stroke position.
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