Brother S-1110A Instruction Manual page 22

9. CLEANING
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5. Tilt back the machine head.
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6. Remove the bobbin case (4).
7. Wipe off any dust from the rotary hook (5) with a soft
cloth, and check that there is no damage to the rotary
hook (5).
8. Remove the bobbin from the bobbin case (4) and clean
the bobbin case (4) with a cloth.
9. Insert the bobbin into the bobbin case (4), and then place
the bobbin case (4) back into the machine.
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10. Clean the oil sump (6) with a cloth.
11. If the oil level drops below the LOW mark, add more
lubricating oil. (Refer to page 8.)
・ Use only the lubricating oil (JX Nippon Oil & Energy
Corporation Sewing Lube 10N; VG10) specified by
Brother.
*
If this type of lubricating oil is difficult to obtain, the
recommended oil to use is <Exxon Mobil Essotex SM10;
VG10>.
・ If the lubricating oil is contaminated, remove the oil
cap screw (7) and drain the oil.
・ Clean off any dirt on the collection magnet (8) and in
the oil pan (9).
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12. Return the machine head to its original position.
13. Replace the needle if it is bent or if the tip is broken.
14. Check that the upper threads have been threaded
correctly. (Refer to page 11.)
15. Carry out a test sewing.
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S-1110A