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Service Manual
SEC.8-3
Needle threader height (3)
7. If the direction of insert hook is deviated from correct position, adjust the hook
position with the small screw driver in the accessory.
Hook
8. If hook protrudes from needle hole too much or little, it may affect threading
condition.
Hook protrudes
too much.
Hook
Hook protrudes
correctly.
Needle
Hook holder
Hook
Original issue
May 2014
Page 25／64
Model
XL-420
Hook protrudes
too little.
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