Baby Lock BL7800, Руководство по обслуживанию

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This service manual has been compiled for explaining repair procedures of BL7800.
This was produced based on up-to-date product specifications at the time of issue, but there may have been
changes of specifications for the purpose of improvements.
Contact manufacturer or local sales company for information concerning such changes.
I. PRINCIPAL MECHANISMS..................................................................................1
II. DISASSEMBLING AND REASSEMBLING THE SEWING MACHINE ................7
III. HOW TO ADJUST MECHANICAL ELEMENTS.................................................20
IV. HOW TO ADJUST ELECTRONIC ELEMENTS .................................................37
1. Always use rubber gloves when handling printed circuit boards and never touch the metal portion of a printed
circuit board with bare hands.
2. Keep your body earthed in order to avoid generating static electricity.
3. Pack printed circuit boards in aluminum foil and avoid subjecting them to any form of impact during storage or
transportation.
4. Do not touch or damage the metal portion of a printed circuit board with a screwdriver or any other tool while
making repairs or the like.