Position of the hook and needle
Service Manual 867 Version 02.0 - 04/2015 49
• A straight and undamaged needle has to be inserted
( Operating manual Section, Inserting and replacing the needle)
Proper setting
Machine locked in place in position 1 ( page 18) and upper stitch length
adjusting wheel set to 0.
The hook tip is at the level of the lower third of the groove for the nee-
dle.
Faults caused by an incorrect needle bar height
• Damage to the hook tip
• Jamming of the needle thread
• Missing stitches
• Thread breakage
• Needle breakage
Cover
• Head cover ( 3.3.3 Removing and fitting the head cover, page 13)
Fig. 36: Setting the needle bar height
Setting steps
1. Lock the machine in place at position 1 ( page 18).
2. Position the upper stitch length adjusting wheel to 0.
3. Loosen the screw (2) for the needle bar (1).
4. Move the height of the needle bar (1) such that the hook tip (4) is in the
middle of the lower third of the groove for the needle.
Do not twist the needle to the side in doing so. The groove (3) must
face towards the hook.
5. Tighten the screw (2) for the needle bar (1).
6. Remove the lock ( page 19).
Order
Then check the following setting:
• Position of the needle guard ( 10.3 Adjusting the needle guard,
page 47)
1
4
3
2
(1) - Needle bar
(2) - Screw
(3) - Needle groove
(4) - Hook tip
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