Adjusting the thread tensioning plate
62 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
Fig. 48: Adjusting the tensioning plate (2)
2. Feed the needle thread through the thread lever (9) and the thread
guides of the thread scale and clamp it at the winder (5).
3. Press POWER (8) to activate the thread scale.
4. Press Motor ON/OFF (6) to start the winder (5).
5. Screw in the stop screw (2) (cw) until the tension increases, peaks and
decreases again.
The tension value is indicated on the display (7).
6. When the tension drops while you are screwing in (cw) the stopscrew (2),
set the tension to 450±10 cN (average value).
7. Secure the stop screw (2) using the lock screw (1).
Important
To prevent it from turning while it is being secured, use a 10 mm wrench
to hold the stop screw (2) in place.
8. Check the thread tension and readjust it if necessary.
9. Screw in the stop screw (3) (cw) until the tension increases, peaks and
decreases again.
The tension value is indicated on the display (7).
10. When the tension drops while you are screwing in (cw) the stopscrew (3),
set the tension to 720±50 cN (average value).
11. Secure the stop screw (3) using the lock screw (4).
Important
To prevent it from turning while it is being secured, use a 10 mm wrench
to hold the stop screw (3) in place.
12. Check the thread tension and readjust it if necessary.
(5) - Winder
(6) - Motor ON/OFF
(7) - Display
(8) - POWER
(9) - Thread lever
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