4
990D
Setscrew B
Upper looper should be set
at its lowest position
Looper cover unit
Setscrew C
Setscrew D
Setscrews A
Front cover unit
Setscrew E
To remove:
1. Remove the face cover and belt cover unit.
2. Turn the handwheel toward you with your hand, and set the upper looper at its lowest position,
and remove the setscrews A, B, C, D, E and the front cover unit.
To attach:
3. Attach the front cover unit with setscrews A, B, C, D and E.
4. Attach the belt cover unit and face plate unit.
TO CHANGE THE FRONT COVER UNIT
