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Fig. 9: Threading procedure for needle thread - part 1
①
②
③
(1) - Tightening lever
(2) - Spring tip
(3) - Thread tensioning spring
(4) - Diverter pin
4. Feed the thread clockwise from the thread guide (8) around
the preliminary tensioner (7).
5. Feed the thread counterclockwise around tensioner 1 (6).
6. Feed the thread clockwise around tensioner 2 (5).
7. Guide the thread under the diverter pin (4) to the thread
tensioning spring.
8. Lift the tightening lever (1) with the thread.
9. Pull the thread under the spring tip (2).
Operating Instructions 878-M PREMIUM - 02.0 - 02/2018
(5) - Tensioner 2
(6) - Tensioner 1
(7) - Preliminary tensioner
(8) - Thread guide
Operation
⑧
⑦
⑥
⑤
④
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