Operation Manual

Operation
Operating manual 100-69 version 00.0 - 05/2013
33
5.6 Winding on the looper thread
The separate bobbin winder makes it possible to wind the hook thread in-
dependently from the sewing operation.
Fig. 16: Separate winder
1. Remove remaining thread from the bobbin hubs before winding.
2. Put the thread reel on the thread reel holder.
3. Guide the thread through the drill-hole of the unwinding arm.
4. Guide the thread through guide (3).
5. Guide the thread through the bobbin thread tension (2).
6. Prewind the thread to the right in the central reserve groove of the bobbin
hub.
The filled reserve groove guarantees a safe winding on, also with mono-
filament threads. With the thread reserves in the reserve grooves the
sewing of pocket opening can be finished safely, even after the residual
thread monitor has issued the message "empty bobbin".
The reflecting surface (4) of the bobbin hub is to be kept clean.
7. Press the winder flap (3) against the bobbin hub.
 The winder starts.
After reaching the set bobbin filling level the winder shuts off automati-
cally.
For the setting of the bobbin filling level,  Service Instructions.
(1) - Guide
(2) - Bobbin thread tension
(3) - Winder flap
(4) - Reflecting surface
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