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Position of the hook and needle
Order
Then check the following setting:
• Position of the needle guard ( p. 58)
11.2 Setting the loop stroke position
The loop stroke is the path length from the bottom 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.
Checking the position of the hook tip
Order
First, check the following settings:
• Needle bar linkage ( p. 48)
• A straight and undamaged needle has to be inserted
( Operating Instructions)
• Latch the safety snap-on coupling ( p. 35)
Proper setting
1. Lock the machine in place at position 1 ( p. 24).
The hook tip (2) points exactly to the vertical center line (1) of the
needle.
The loop stroke is precisely 2 mm.
Disturbance
• Missing stitches
54
Service Instructions 1767 - 00.0 - 12/2016
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