Position of the hook and needle
Service Instructions 827/827-M - 01.0 - 05/2019 47
10.3 Adjusting the needle bar height
Order
First, check the following adjustments:
• A straight and undamaged needle has to be inserted ( Operating
Instructions)
• Looping stroke position ( p. 44)
Fig. 31: Adjusting the needle bar height
Proper setting
1. Lock the machine in place at position 1 ( p. 22).
2. Adjust the stitch length adjusting wheel to 0.
The hook tip is level with the lower third of the groove on the needle.
Disturbance
• Damage to the hook tip
• Jamming of the needle thread
• Skip stitches
• Thread breaking
• Needle breakage
To adjust the needle bar height:
1. Disassemble the head cover ( p. 16).
2. Lock the machine in place at position 1 ( p. 22).
3. Adjust the stitch length adjusting wheel to 0.
4. Loosen the screw (2).
5. 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.
When doing so, take care not to twist the needle to the side.
The groove (3) must face toward the hook.
(1) - Needle bar
(2) - Screw
(3) - Groove
(4) - Hook tip