Manual
Page 76
...be placed to enlarge the elasticity of needles and thread should always be taken 74 the thin area of the following causes: a) needle holder screw not securely tightened; b) upper thread tension too tight; use of thread of thread are not in perfect relation together; 5. c) puckered ...of inferior quality, unevenly twisted, or having finished with the hands; Thus the needle got bent. Always remove the material from the machine by pulling it back from under the bobbin ease tension spring; 3. if the shuttle is deformed and jamming in most cases the cause of size...
...be placed to enlarge the elasticity of needles and thread should always be taken 74 the thin area of the following causes: a) needle holder screw not securely tightened; b) upper thread tension too tight; use of thread of thread are not in perfect relation together; 5. c) puckered ...of inferior quality, unevenly twisted, or having finished with the hands; Thus the needle got bent. Always remove the material from the machine by pulling it back from under the bobbin ease tension spring; 3. if the shuttle is deformed and jamming in most cases the cause of size...