R E P A I R
6. Close locking handle (27).
7. Release latch by pressing a suitable pin (dia. 1.8 mm, max. e.g. a paper clip)
through hole and remove needle plate (29) by pulling it down.
8. Examine upper side of needle plate (29).
9. Clean interior space of sealing ring with a toothpick etc.
10. Clear blocked bore of needle with cleaning needle (26).
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Service manual