Table of Contents
Advertisement
Adjusting the thread tensioning plate
Fig. 51: Checking the adjusted thread tension (2)
①
(1) - Winder
(2) - Motor ON/OFF
(3) - Display
2. Feed the needle thread through the thread lever (5) and the thread
3. Press POWER (4) to activate the thread scale and the display (3).
4. Press Motor ON/OFF (2) to activate the motor of the thread scale.
5. Set the thread tension to level 1 (1%) at the control panel.
The thread scale should show a tension of 190±12 cN (average value).
6. Set the thread tension to level 2 (50%) at the control panel.
The thread scale should show a tension of 720±50 cN (average value).
7. Set the thread tension to level 3 (99%) at the control panel.
The thread scale should show a tension of 1600±100 cN (average
Important
After completing the settings, you need to seal the magnets and the 4 nuts
that keep the magnets in place at the thread tensioning plate with sealing
wax (see figure 5).
8. Remove the locking peg from the machine.
9. Remove the needle thread from the thread scale.
10. Remove the thread scale.
11. Set the thread tension spring back to sewing operation (ccw,
12. Insert the needle thread.
13. Finish the service routine.
The machine is ready for sewing.
Service Instructions 869-M PREMIUM - 00.0 - 07/2018
②
guides of the thread scale and clamp it at the winder (1).
value).
Service Instructions, chapter Setting the thread tension spring).
③
④
(4) - POWER
(5) - Thread lever
⑤
65
Advertisement
Table of Contents
