DURKOPP ADLER H868, Operating Manual

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Operation
Operating manual H868 Version 00.0 - 07/2013 20
Figure 5: Threading procedure for needle thread – part 1
1. Insert the thread from the rear to the front through the left hole
in the 1st thread guide (1).
2. Insert the thread in a wavelike manner through the 3 holes of
the 2nd thread guide (2): From above to below through the
right hole, then from below to above through the hole in the
middle and finally from below to above through the left hole.
3. Guide the thread clockwise around the pre-tensioner (3).
4. Guide the thread counterclockwise around the additional
tensioner (4).
5. Guide the thread clockwise around the main tensioner (5).
6. Guide the thread under the additional screw (6) to the thread
tensioning spring.
7. Lift the tightening lever (9) with the thread.
8. Pull the thread under the spring tip (8).
(1) - First thread guide
(2) - Second thread guide
(3) - Pre-tensioner
(4) - Additional tensioner
(5) - Main tensioner (6) - Additional screw
(7) - Thread tensioning spring
(8) - Spring tip
(9) - Tightening lever
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6
4
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3
2
4
6
5
9
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