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2.8
Bobbin-housing holder
1
1
Regulation and inspection
The bobbin-housing holder is factory-aligned.
After the holder has been replaced it may be necessary to re-align the
new one.
The spring wire 1 must be in close contact with the bobbin-housing
holder with no gaps.
Half the width of the spring wire 1 must be over the retaining tab 3.
Caution: danger of injury
Turn off the main switch.
The bobbin-housing holder may only be adjusted with the sewing
machine switched off.
IMPORTANT !
Alignment may only be carried out in the cross-hatched area 5
(see sketch).
The extreme hardness in the region of the retaining tab 3 means that
there is a danger of breakage there.
Adjustment
–
Align the bobbin-housing holder 6.
The distance between the retaining tab 3 of the bobbin-housing
holder 5 and the lower part of the bobbin housing 4 must be
+0.1
0.6
mm.
–
Undo screw 2.
–
Move the wire so that it is in close contact with the retaining tab or
is 0.1 mm away from it.
–
Tighten screw 2.
Note
If the holding wire 1 is worn it can be reversed and the other end used.
3
2
3
4
5
6
13
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