Position of the hook and needle
46 Service Manual 867 Version 02.0 - 04/2015
Fig. 33: Loop stroke position – position of the hook tip
The loop stroke is precisely 2 mm.
Order
First check the following settings:
• Needle bar linkage ( 9 Aligning the needle bar linkage, page 41)
• A straight and undamaged needle has to be inserted
( Operating manual Section, Inserting and replacing the needle)
Proper setting
Machine is locked in place at position 1 ( page 18).
The hook tip (2) points exactly to the vertical center line (1) of the nee-
dle.
Fault caused by an incorrect setting
• Missing stitches
Cover
• Tilt the upper section ( 3.3.1 Access to the machine bottom section,
page 12)
• Feed-dog ( 3.3.7 Removing and installing the feed-dog, page 16)
Fig. 34: Setting the loop stroke position
2
1
(1) - Vertical center line of the needle
(2) - Hook tip
3
4
1
2
(1) - Clamping ring
(2) - Setscrews
(3) - Needle groove
(4) - Hook tip
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