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General| Stitch Type | Lockstitch |
|---|---|
| Max Stitch Length | 5mm |
| Needle Bar Stroke | 30.7mm |
| Lubrication | Automatic |
| Automatic Thread Trimmer | Yes |
| Max Sewing Speed | 5, 000 stitches per minute |
| Needle | DB×1 |
| Lubricating Oil | JUKI New Defrix Oil No.1 (equivalent to ISO VG7) |
| Type | Direct-drive, high-speed, 1-needle, lockstitch machine |
| Maximum Sewing Speed | 5, 000 stitches per minute |
| Bobbin | Standard |
Fitting knee lifter, mounting head support, control panel, and securing cables.
Checking and adjusting the engagement of the safety switch arm for proper operation.
How to fill the oil tank and check the oil level using the indicator rod and window.
Safety warnings and recommendations for oil usage, maintenance, and handling.
Steps to install the correct needle, orient it properly, and tighten the screw securely.
How to place the bobbin into the bobbin case and thread it through the slit.
Procedure to confirm oil splashes and fine-tune the amount in the hook for optimal performance.
Visual examples of appropriate oil amounts and warnings about incorrect oil levels.
Using the adjustment screw to increase or decrease the amount of oil in the hook.
Detailed steps for threading the needle, take-up lever, and other parts of the machine head.
How to adjust the tension of both the needle thread and the bobbin thread for proper sewing.
Setting the standard stop position after trimming and adjusting needle up/down stop positions.
Adjusting needle bar height, positioning hook, and setting clearance for correct needle-hook timing.
Adjusting feed dog height and tilt, including standard values and operational cautions.
Adjusting feed timing by changing the vertical feed cam stop position and marker alignment.
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