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General| Max Stitch Width | 7 mm |
|---|---|
| Max Stitch Length | 5 mm |
| Needle Threader | Yes |
| LCD Screen | Yes |
| Foot Pedal | Yes |
| Bobbin Type | Top Loading |
| Start/Stop Button | Yes |
| Foot Pressure Adjustment | Yes |
| Needle Up/Down Button | Yes |
| Presser Feet | Included |
| Included Accessories | Standard Accessories |
Instructions for removing and attaching the face cover of the sewing machine.
Procedure for removing and attaching the bed cover.
Steps to remove and attach the front cover of the sewing machine.
Guide for removing and attaching the rear cover.
Procedure to adjust the presser bar height to the correct distance from the needle plate.
Adjusting the needle drop position for proper stitch formation.
Setting the correct needle bar height relative to the hook.
Adjusting the timing between the needle and the hook.
Setting the precise clearance between the needle and hook point.
Checking and adjusting backlash in the lower shaft gear.
Adjusting the highest position of the feed dog relative to the needle plate.
Adjusting the timing of the needle's swing during zigzag stitching.
Procedure for adjusting the top thread tension.
Balancing the feed for stretch stitch patterns.
Instructions for changing or adjusting the thread plate.
Identifying various connectors on the circuit board for maintenance.
Steps to prepare the machine for running self-diagnostic tests.
Checking the 7-segment LED display for error codes during diagnostics.
Testing the functionality of the Mode LED indicator.
Verifying the response of various buttons during diagnostic mode.
Testing the bobbin winder switch operation.
Checking the buttonhole sensor's response.
Testing the upper shaft sensor's accuracy.
Verifying the sewing speed sensor readings.
Checking the slide volume control for proper function.
Testing the foot control pedal's responsiveness.
Diagnosing issues with the zigzag motor.
Testing the feed motor's operation.
Checking the DC motor for proper performance.
Procedure for removing and installing circuit board-A.
Instructions for removing and installing circuit board-F.
Steps to remove and install the driving motor and adjust belt tension.
Procedure for removing and installing the switching regulator unit.
Guide for removing and installing the zigzag stepping motor.
Instructions for removing and installing the feed stepping motor.
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