✔ 最佳答案
so it was sitting for a long period of time and was dirty. Did you take it in for a tune up? It worth the money to get it completely checked over and tuned up after not being used
make sure you have a new needle in the machine
thread the machine with the pressure foot UP
Make sure you are catching the bobbin thread on the tension
Pull the bobbin thread up by holding the upper thread and manually turning the hand wheel. (the pressure foot is still up) This will lower the needle, it should pick up the bobbin thread. Pull the bobbin thread and upper thread behind your needle. Put in your fabric, lower the pressure foot- Hold on to these "tails" for the first few stitches.