DURKOPP ADLER M-Type Delta D867 Operating Instructions Manual page 36

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4. Feed the thread clockwise around the pin (12) and keep
feeding it clockwise through the front tensioner (13).
Fig. 13: Threading the needle thread (4)
(13) - Front tensioner
5. Feed the thread over the hook (11) before feeding it clockwise
through the thread tensioning spring (10) from below.
6. Feed the thread around the pin (4) from left to right and
then from bottom to top through the rear hole of the needle
thread regulator (3).
7. Feed the thread from the right to the left through the lower
guide of the thread lever (2).
8. Feed the thread through thread guide (5).
9. Feed the thread through the right hole of thread guide (6).
10. Feed the thread through the right hole of the thread clamp (7)
(if a thread clamp is present).
11. Feed the thread through the right holes of thread guides (8)
and (9).
12. Insert the thread through the needle eye (towards the groove)
in such a way that the loose thread end faces the hook.
13. Pull the thread through the needle eye until the loose thread
end has a length of approx. 4 mm with the thread lever (2)
at the highest position.
Important
Check the thread length.
If the loose thread end is too long, the thread may be caught by
the hook and cause a disturbance. If the loose thread end is too
short, the machine cannot start sewing.
Operating Instructions M-TYPE DELTA - 01.0 - 08/2019
⑭
⑬
(14) - Rear tensioner
Operation