Dürkopp Adler D869 e-con Service Instructions Manual page 61

Position of the hook and needle
Disturbance
Disturbances caused by an incorrect needle bar height
Fig. 44: Adjusting the needle bar height
(1) - Needle bar
(2) - Screw
To adjust the needle bar height:
1. Remove the lock.
1. Disassemble the throat plate ( p. 28).
2. Execute the service routine Needle-Hook > Needle bar ( p. 14).
 The software is used to define the necessary presettings on the
3. Lock the machine in place at position 1 ( p. 25).
4. Disassemble the head cover ( p. 21).
5. Loosen the screw (2) of the needle bar (1).
6. Move the height of the needle bar (1) such that the hook tip (4) is in
7. Tighten the screw (2) for the needle bar (1).
8. Finish the service routine.
9. Remove the lock.
Service Instructions D869 e-con - 00.0 - 09/2023
• Damage to the hook tip
• Jamming of the needle thread
• Skip stitches
• Thread breaking
• Needle breakage
①
②
machine.
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.
(3) - Needle groove
(4) - Hook tip
④
③
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