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
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