Astralux 9300A - 6 Adjusting Methods of each Part; Symbol Instructions

6-1 Symbol instructions
6. Adjusting methods of each part
10
Noise occur while the machine is running.
Skip-over stitching, needle breakage, and problems associated with needle.
Delivery of cloth to be in disorder and insufficient, problems associated with delivery
amount.
Stitch tightening problem.
BH right and left stitching is not even, incorrect length and problems associated with
buttonhole sewing.
Bobbin winding problem.