Adjusting The Timing For Lifting - Dürkopp Adler D867 e-con Service Instructions Manual

Important
Ensure that the gap is not too big, preventing the middle part of the hook
from hitting the slot in the throat plate (2).
7. Tighten the threaded pin (3).
8. Push the cover (5) upwards.
9. Tighten the screw (4).

9.2 Adjusting the timing for lifting

Fig. 46: Adjusting the timing for lifting
(1) - Plug
(2) - Hook housing
Proper setting
The bobbin case lifter starts to open exactly at the point when the hook tip
is located below the bobbin case lifter after the loop is taken up.
At approx. 100°, the threaded pin (4) is exactly in the middle of the opening
at the right hook.
At approx. 300°, the threaded pin (4) is exactly in the middle of the opening
at the left hook.
(Insert allen key in the threaded pin for orientation.)
To adjust the timing for lifting:
1. Tilt the machine head ( p. 18).
2. Remove the plug (1) on the bottom side of the hook housing (2).
3. Loosen the threaded pin (4) through the opening.
4. Turn the handwheel until the hook tip is exactly below the bobbin case
5. Use the allen key to turn the control cam (3) so that the bobbin case
6. Tighten the threaded pin (4).
7. Insert the plug (1) into the opening.
8. Perform a sewing test.
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lifter.
lifter opens at the correct point in time.
Adjusting the bobbin case lifter
(3) - Control cam
(4) - Threaded pin
Service Instructions D867 e-con - 00.0 - 08/2023
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