Replacing Dc Motor And Motor Belt Tension Adjustment - Bernina Deco 330 Operation, Service Manual & Parts List

Deco 330

Replacing DC Motor and Motor Belt Tension Adjustment

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Replacing DC Motor
To remove:
1 Remove the belt cover. (See page 2)
2 Remove the Motor belt 1 .
3 Disconnect the Motor connector 2
circuit board A.
4 Remove Screws (A) 3 (2 pieces) and replace the
motor.
To attach:
5 Follow the above procedure in reverse.
Adjusting motor belt tension
1. Tighten Screws 3 (2 pieces) temporarily.
2. Adjust the Belt deflection to about 5.0 mm 5 while
pressing the middle of the motor belt with your
finger with approximately 200 grams 4 of pressure.
3 Tighten Screw 3 securely.
1
Motor belt
2
Motor connector
3
Screws
4
Pressure 200 grams
5
Deflection 5 mm
24
from the printed