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 ( p. 16)
Fig. 38: Setting the needle bar height
Setting steps
1. Lock the machine in place at position 1 ( p. 21).
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
5. Tighten the screw (2) for the needle bar (1).
6. Remove the lock (
Order
Then check the following setting:
• Position of the needle guard ( p. 54)
56
(1) - Needle bar
(2) - Screw
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.
Position of the hook and needle
(3) - Needle groove
(4) - Hook tip
p. 21).
Service Instructions 867 - 03.0 - 10/2017