Changing Thread Tension Unit - Bernina Deco 330 Operation, Service Manual & Parts List

Deco 330
Replacing the thread tension unit
1

Changing Thread Tension Unit

2
To remove:
1 Remove the front cover unit. (See page 6)
2 Remove Screws (A) 1 , (B) 2 , and remove the
thread tension unit.
To attach:
3 Follow the above procedure in reverse.
Note: After the replacement, adjust "Thread Tension
Release Machanism" and Solenoid.
1 Screw (A)
2 Screw (B)
16