Originally Posted by
manicmike
When you say fly wheel, are you talking about the treadle wheel or the hand wheel on the machine head?
Assuming it's the hand wheel, have you loosened the free motion screw first? This will narrow down what has seized. If it moves then the problem is likely on the needlebar side of the harp.
yes, it does move when i loosen it. so i will check the needle bar side of the harp. what can i use to loosen them ?