Brother PS-3100 Instruction Manual

To thread the Brother PS-3100, first raise the presser foot and turn the handwheel to raise the needle. Place the spool on the spool pin, pass the thread through the thread guide, and follow the threading path as indicated in the manual, ensuring the thread is properly seated in the tension discs. Finally, thread the needle from front to back.
If your machine is skipping stitches, check if the needle is bent or dull and replace it if necessary. Ensure you are using the correct needle and thread for your fabric. Re-thread the machine, making sure the thread is correctly seated in the tension discs. Also, clean the bobbin area to remove any lint or debris.
To adjust the tension on the Brother PS-3100, use the tension dial located on the front of the machine. Turn it to a higher number to increase tension or to a lower number to decrease tension. Test on a scrap piece of fabric to ensure the tension is correct.
If your machine is making a loud noise, it may need cleaning or lubrication. Remove the needle plate and bobbin case to clean any lint or thread buildup. Check that the needle is properly installed and not bent. If the noise persists, consult the user manual or a professional technician.
To change the needle, turn off the machine and raise the needle to its highest position. Loosen the needle clamp screw and remove the old needle. Insert the new needle with the flat side facing the back, push it up as far as it will go, and tighten the needle clamp screw.
Regular maintenance for the Brother PS-3100 includes cleaning the bobbin case and feed dogs, replacing needles frequently, and oiling the machine as specified in the manual. It's also important to keep the machine covered when not in use to prevent dust accumulation.
If you're having trouble winding the bobbin, ensure the bobbin is placed correctly on the winder spindle and the thread is threaded through the bobbin winding tension disk. Make sure the bobbin winder shaft is pushed all the way to the right. If the problem persists, check for any thread tangles or consult the manual.
If fabric isn't feeding, ensure the presser foot is lowered and the feed dogs are engaged. Check for any obstructions around the feed dogs and clean out any lint. Adjust the presser foot pressure if needed according to your fabric thickness.
If the machine isn't sewing, check that it is properly plugged in and switched on. Ensure the foot pedal is connected and functioning. Double-check the threading and re-thread if necessary. Verify that the bobbin and needle are correctly installed.
For tension issues with the top thread, re-thread the machine, ensuring the thread is correctly seated in the tension discs. Adjust the tension dial as needed, testing on scrap fabric until the stitch quality improves. Also, ensure the bobbin is correctly wound and inserted.