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Service Manual
SEC.21-1
Sewing machine test mode (1)
Set bobbin winder latch.
Turn off the machine on this condition
above
5
Release bobbin winder latch and "reverse button", when you see sand clock
Put bobbin onto bobbin winder shaft.
Press and hold the "Reverse button".
Original issue
May 2014
Page 46／64
Model
XL-420
| 46
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