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General| Type | Electronic |
|---|---|
| Number of Stitches | 30 |
| Free Arm | Yes |
| Built-in Needle Threader | Yes |
| Drop Feed | Yes |
| Stitches | Utility, Decorative |
| Presser Feet Included | All-Purpose Foot, Zipper Foot, Buttonhole Foot |
| Weight | 5.6 kg |
Guidelines for preventing damage to electronic components from static electricity during service.
Initial diagnostic steps to identify common issues.
Procedures for inspecting and verifying mechanical components.
Procedures for inspecting and verifying electrical components.
Steps for correcting issues through adjustment or parts replacement.
Procedure for removing and reattaching the machine's face cover.
Procedure for removing and reattaching the machine's top cover.
Procedure for removing and reattaching the belt cover.
Procedure for removing and reattaching the machine's base cover.
Procedure for removing and reattaching the bed cover.
Procedure for removing and reattaching the second base lid.
Procedure for removing and reattaching the main base unit of the machine.
Procedure for removing and reattaching the machine's front cover.
Procedure for removing and reattaching the machine's rear cover.
Ensuring the needle aligns correctly with the needle plate hole.
Adjusting the rotary hook timing relative to the needle's ascending motion.
Adjusting needle bar height for proper clearance with the hook race.
Adjusting the precise gap between the needle and the rotary hook.
Ensuring proper backlash in the hook drive and lower shaft gears.
Adjusting the height at which the needle stops in its upward travel.
Setting the correct tension for the bobbin thread.
Setting the correct tension for the upper sewing thread.
Ensuring tension disks open and close correctly with presser foot movement.
Procedure for replacing the entire thread tension unit.
Procedure for replacing the threader supporter plate.
Aligning the threader plate hook with the needle eye.
Procedure for removing and installing the thread cutter unit.
Testing the automatic thread cutting function after replacement.
Adjusting the height of the embroidery foot for proper sewing.
Diagram showing the location and numbering of connectors on PCB A.
Detailed procedure for removing and installing the main printed circuit board (PCB A).
Procedure for removing and installing the machine's touch screen panel.
Adjusting the touch sensitivity and key position alignment of the screen.
Procedure for replacing the circuit board associated with the start/stop button.
Procedure for adjusting solenoid clearance and verifying its operation.
Setting the clearance for the upper shaft release cam and clutch release arm.
Adjusting the gap for the thread cutter solenoid plunger.
Calibrating the thread cutter switch for proper function.
Setting clearance and height for the thread holding solenoid.
Adjusting the height of the thread drawing lever.
Adjusting the presser foot lifter sensor for accurate foot position detection.
Calibrating the machine to detect remaining bobbin thread levels.
Procedure for replacing the machine's DC motor.
Setting the correct tension for the motor drive belt.
Procedure for removing and installing the carriage plate unit.
Calibrating the X and Y axis sensors for precise movement.
A simplified method for adjusting X and Y sensors without removing the base unit.
Troubleshooting noisy carriage motor gears through adjustment.
Procedure for replacing the machine's switching power supply.
Instructions on where to apply lubricating oil to the sewing machine.
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