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General| Brand | Husqvarna |
|---|---|
| Model | 5540 |
| Category | Sewing Machine |
| Language | English |
Explains the fundamental mechanical process by which a stitch is formed using the needle and shuttle.
Details the design and construction of the Viking shuttle system, including the driver and cover.
Explains the electric drive mechanism and power transmission system responsible for machine operation and speed control.
Details how to adjust the motor speed using foot controls and electronic circuits for optimal performance.
Provides instructions for setting the correct stop-right position of the needle for accurate sewing.
Describes the function and movement of the pattern mechanism, needle bar, and feed dog.
Explains the operation and adjustment of the motor, cog belt, and V-belt systems for proper machine function.
Details adjustments for belt tension and worm wheel tolerance to ensure smooth and accurate sewing.
Procedures for setting the lowest motor speed and take-home turning speed for optimal machine performance.
Guides for setting needle positions, cam follower alignment, and retraction for precise stitch formation.
Guides on setting the upper thread tension and bobbin case thread tension for balanced stitching.
Details adjustments for reverse feed equalization and the worm gear mechanism.
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