Dürkopp Adler 4260-6 Service Instructions
![Dürkopp Adler 4260-6 Sewing Machine manual cover](/images/gHQDIaYUlamCCgfvKDMytHwb/thumbs/thumb175x175.webp)
To thread the Dürkopp Adler 4260-6, first raise the presser foot to release tension disks. Place the spool on the spool pin, guide the thread through the thread guide, down to the tension assembly, and follow the threading path indicated on the machine. Finally, thread the needle from front to back.
Ensure the needle is correctly installed and is not bent or dull. Check that the thread is properly threaded and that the tension is correctly adjusted. If the problem persists, consider re-timing the machine.
To adjust the tension, use the tension adjustment knob located on the front of the machine. Turning it clockwise increases the tension, while counterclockwise decreases it. Test on a sample fabric to ensure the stitch quality meets your needs.
Regular maintenance includes cleaning lint from the bobbin area, oiling specified parts as per the manual, and checking for loose screws or worn parts. It is recommended to have the machine professionally serviced annually.
A noisy machine may indicate a need for cleaning or oiling. Check for lint buildup in the bobbin case and ensure all moving parts are lubricated. Tighten any loose screws and inspect for any damaged components.
For heavy fabrics, use a needle size ranging from 16/100 to 18/110. Ensure the needle is appropriate for the specific type of fabric and thread being used to prevent breakage or poor stitch quality.
To wind the bobbin, place an empty bobbin on the bobbin winder spindle and thread the machine as per the bobbin winding instructions. Engage the bobbin winder and start the machine. Once full, the winder will stop automatically.
Check if the feed dogs are raised and clean of debris. Ensure that the presser foot pressure is correctly set for the fabric type. Inspect the feed mechanism for any obstructions or damage.
To change the presser foot, lift the presser foot lever to raise it. Loosen the screw holding the current foot in place and remove it. Position the new presser foot and tighten the screw securely.
Experiment with different tension settings on scrap pieces of the fabric you intend to sew. Adjust the top thread tension and bobbin tension as needed, ensuring balanced stitches are formed without puckering or looping.