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104 73 15-26
12. Setting the bobbin stop to the bobbin
Remove the needle plate.
Back bobbin stop Ill 1:
Check
1. Turn the hand wheel counter-clockwise, the shuttle hook (c) will move towards rotary hook plate (d),
and generate a distance between the shuttle hook (c) and the rotary hook plate (e).
2. Using the distance gauge to test the play, the distance should be 0.3-0.5 mm.
Adjustement
If the play is incorrect, loosen 2 screws (f, g) and adjust the plate to the proper position.
Retighten the screws.
Front bobbin stop ill 2:
Check
Turn the hand wheel clockwise,the shuttle hook (c) will move towards rotary hook plate (e), and generate
the playbetween the shuttle hook and the rotary hook plate (d).
Use the distance gauge to check the play, the distance should be 0.6-1.0 mm.
Adjustment
If the play is incorrect,loosen the 2 screws (h, i) of rotary hook plate (d) and adjust the plate to the proper
position.
Re-tighten the screws (h,i).
Settings
1
e
a
c
d
f
g
2
b
c
d
h
i
e