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General| Brand | Brother |
|---|---|
| Model | LS2-F52A |
| Category | Sewing Machine |
| Language | English |
Steps for installing rubber hinge and corner rubber on the sewing machine table.
Procedure for fitting and securing the oil pan to the sewing machine table.
Instructions for placing and securing the machine head onto the table and hinge connections.
Guidance on inserting and tightening the spool pin into its installation hole.
Steps to assemble and install the knee lifter mechanism, including adjustment.
Procedure for fitting the V-belt onto motor and machine pulleys and adjusting tension.
Instructions for mounting the bobbin winder and ensuring correct clearance with the belt.
Steps for attaching the belt guard (L) to protect moving parts.
Procedure for assembling and securing the thread stand to the work table.
Guidelines for lubricating the sewing machine with specified oil, including safety precautions.
Procedure to verify and correct the machine pulley's rotation direction.
Detailed instructions on how to correctly install the sewing needle into the needle bar.
Procedure for safely removing the bobbin case from the rotary hook mechanism.
Step-by-step guide for winding thread onto the bobbin, including adjustments.
Instructions for correctly inserting the wound bobbin and bobbin case into the rotary hook.
Process for guiding the upper thread through the machine's threading path.
How to set the desired stitch length using the feed regulating dial.
Basic steps to start and perform sewing operations on the machine.
Explanation of how to use the reverse lever for backtacking stitches.
Guidance on adjusting both upper and lower thread tensions for optimal stitches.
How to set the correct pressure for the presser foot to hold material.
Procedure for adjusting the thread controller spring's operating range and tension.
How to adjust the vertical height of the feed dog relative to the needle plate.
Steps to adjust the horizontal position of the feed dog.
Ensuring the needle aligns correctly with the center of the feed dog's needle hole.
How to set the timing relationship between the needle and feed dog movement.
Procedure for setting the correct height of the needle bar at its highest point.
Steps to synchronize the needle's movement with the rotary hook.
How to adjust the clearance for thread loop passage during rotation.
Ensuring correct clearance to prevent irregular stitch length or overheating.
How to set the standard height of the lifting presser foot.
Adjusting the vertical movement of the vibrating and lifting presser feet.
Ensuring correct timing for the vibrating presser foot's operation with the needle.
Procedure for releasing the safety clutch when thread is tangled.
How to adjust the spring tension for the safety clutch mechanism.
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