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General| Type | Computerized Sewing Machine |
|---|---|
| Maximum Stitch Width | 9 mm |
| Maximum Stitch Length | 5 mm |
| Display | LCD |
| Sewing Speed | 1000 stitches per minute |
| Feed System | 7-piece feed dog |
| Lighting | LED |
| Start/Stop Button | Yes |
| Needle Up/Down Button | Yes |
| Automatic Thread Cutter | Yes |
| Knee Lifter | Yes |
| Foot Pressure Adjustment | Yes |
| Needle Threader | Automatic |
| Built-in Memory | Yes |
| USB Port | No |
| Weight | 24.3 lbs |
| Dimensions | 8.5 inches |
| Bobbin Winder | Yes |
| Stitch Options | 200 built-in stitches |
Procedure for removing and attaching the top cover.
Procedure for adjusting the needle drop position for straight and zigzag stitches.
Procedure for adjusting presser bar height and alignment.
Procedure for checking and adjusting presser bar height and alignment.
Procedure for aligning presser foot with feed dog slots.
Procedure for setting hook timing based on needle bar travel.
Procedure for adjusting needle bar height relative to hook timing.
Procedure for adjusting clearance between needle and rotary hook tip.
Procedure for adjusting backlash in hook drive and lower shaft gears.
Procedure for setting feed dog height relative to needle plate.
Procedure for setting upper thread tension using dial and screw.
Procedure for removing and replacing the thread tension unit.
Procedure for adjusting thread tension disks and release plate.
Procedure for replacing printed circuit board F.
Procedure for removing and replacing circuit board A.
Diagram showing connector locations on circuit board A for various components.
Procedure for replacing the needle threader plate unit.
Procedure for adjusting the height of the thread drawing lever.
Procedure for setting clearance between feed link shafts for dual feed.
Procedure for setting clearance between dual feed foot and upper feed dog.
Procedure for setting clearance between needle eye and needle plate.
Procedure for removing and attaching the driving motor.
Procedure for adjusting shield plate position based on sensor signals.
Procedure for adjusting the center needle position sensor.
Procedure for adjusting buttonhole lever guide and foot clearance.
Procedure for adjusting switch plate for presser bar lifter positions.
Procedure for adjusting distance related to thread cutter motor.
Procedure for removing and replacing the switching power supply.
Procedure for adjusting solenoid plunger clearance.
Procedure for adjusting stretch stitch feed balance dial.
Checks for correct LCD display and LED blinking during diagnosis.
Checks for correct operation of speed control lever and foot control.
Checks motor initialization based on phase states.
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