44
45
104 72 57-26
104 72 57-26
The step motor of the thread tension - for Rose -
Dismounting
1. Dismount rear cover and front cover.
2. Dismount the bobbin device.
3. Loosen the contact of the step motor of the thread tension on the circuit board.
4. Losen the 3 screws holding the circuit board and bend it down.
5. Remove C-washer (C), washer (D) and the cog segment (H).
6. Loosen the screws (G). Remove the step motor.
Mounting
1. Position the step motor compl.
2. Position the index mark (M) of the rack right opposite the index mark (O) of
the step motor.
3. Position the index mark (P) of the cog segment right opposite the index mark (IM) of
the rack.
4. Mount washer (D) and C-washer (C).
5. Mount the circuit board without squeezing the cables.
6. Mount the bobbin device.