Adjustment
13.
07
Adjusting the thread trimmer -900/53
13.
07.01
Removing the scissor
●
Open post cover
1
and unscrew post cover plate
2
( screws
3
).
●
Loosen screw
4
.
●
Swing out bobbin case base
5
by hand and hold it in this position.
●
Remove bolt
6
.
●
Swing out the scissor driving rod and remove scissor
7.
●
Allow bobbin case base
5
to swing in and swing in the driving rod of the scissor .
Post cover plate
2
remains dismounted for further adjustments.
Fig. 13 - 33
1
3
3
2
4
5
6
7
13 - 38