Adjusting The Needle Guard - Dürkopp Adler D869 e-con Service Instructions Manual

Position of the hook and needle
3. Disassemble throat plate ( p. 28), throat plate slide ( p. 27) and
4. Disassemble the feed dog ( p. 30).
5. Tilt the machine head ( p. 18).
6. Loosen both threaded pins (3) on each component and slide them to
7. Lock the machine in place at the looping stroke position (202°)
8. Turn the hook such that the hook tip (1) points exactly to the vertical
9. Push up the gear wheel.
 The threaded pins (3) clamp the gear wheels.
10. Tighten the threaded pins (3).
11. Remove the lock.
12. Assemble the feed dog ( p. 30).
13. Assemble throat plate, throat plate slide and free arm cover ( p. 27).
14. Finish the service routine.
15. Check the looping stroke position.
8.3
The needle guard prevents contact between needle and hook tip.
Order
First, check the following settings:
Proper setting
Machine is locked in place at the looping stroke position (202°) ( p. 34).
The needle guard pushes the needle away just enough so that it cannot
be touched by the hook tip.
To adjust the needle guard:
1. Execute the service routine Needle-Hook > Timing ( p. 14).
 The software is used to define the necessary presettings on the
Service Instructions D869 e-con - 00.0 - 09/2023
free arm cover.
the right so that the gear wheels are loose.
( p. 34).
center line of the needle (1).
The hook tip (2) is in the lower third of the needle groove.

Adjusting the needle guard

• Looping stroke position ( p. 56)
• Hook side clearance ( p. 53)
• Needle bar height ( p. 58)
• A straight and undamaged needle has been inserted ( Operating
Instructions)
machine.
57