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9. Turn the thread advancing device (1) until the bobbin can be removed.
10. Tighten the clamping screw (9). Take care to ensure that there is no
11. Release all 4 setscrews on the clamping ring (5) and push as far as
12. Tighten all 4 setscrews on the clamping ring (5).
13. Check the loop stroke.
Setting the locking latch
Fig. 53: Setting the locking latch
(10) - Locking latch
Proper setting
1. Press and turn the hand crank until the roller (4) is at the highest point
2. Press against the magnet armature (11).
The locking latch (10) can be swung out without clamping, and the
Setting steps
1. Release the nut (12).
2. Turn the setscrew (8) and adjust the distance.
3. Tighten the nut (12).
56
axial play.
they will go and against the control cam (6).
(4) - Roller
(6) - Control cam
(8) - Setscrew
of the control cam (6).
distance between the locking latch (10) and locking pin (13) is not
greater than 0.1 mm when the latch is engaged.
⑩
⑪
⑫
④
(11) - Magnet armature
(12) - Nut
(13) - Locking pin
Service Instructions 911-211 - 00.0 - 02/2015
Machine head
⑬
⑧
⑥
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