15
Replacing Electronic Components
Thread
tension
unit
Setscrew A
Thread tension unit
To remove:
1. Remove the belt cover, top cover and the front cover
(see pages 1, 2 and 6-7).
2. Remove the setscrews A and B.
3. Cut the cable tie A. Be careful not to cut the cables.
Remove the setscrew C and cords from the cable tie B.
Remove the thread tension unit.
Setscrew B
Cable tie A
Setscrew C
Cable tie B
To attach:
1. Follow the above procedure in reverse.
2. Check the upper thread tension (see page 24).