Brother International CS7130 Operation Manual - Page 68
The needle breaks, or the needle bends
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APPENDIX Note • If the needle is not raised, the upper thread cannot be threaded correctly. Be sure to raise the needle before threading the sewing machine. ■■Remedy Thread the upper thread again correctly by following the procedure below. 1 Turn off the machine. 2 If the thread is tangled, remove the tangled thread. • Refer to "Cleaning the race" (page 60) and "Tangled thread on wrong side of fabric" (page 62). 3 Remove the upper thread from the machine. 4 Turn the handwheel toward you (counterclockwise) to check if the handwheel moves smoothly. • If the handwheel moves smoothly Continue to step 8. • If the handwheel does not move smoothly Continue to step 5. 5 Remove the needle plate cover, and then remove the bobbin and bobbin case. 6 Insert the bobbin case, attach the needle plate cover, and then set the bobbin in the bobbin case. • Refer to "Cleaning the race" (page 60). 7 If the needle is bent, replace it with a new one. • Refer to "Replacing the needle" (page 21). 8 Turn on the machine, and then press the needle position button to raise the needle. Thread the machine correctly. • Refer to "Upper threading" (page 16). Symptom 2 : The upper thread is tangled, for example, in the race, or fabric is caught in the machine. ■■Cause Thread is tangled below the needle plate. ■■Remedy Remove the fabric and reset the thread and bobbin by following the procedure below. 1 Turn off the machine. 2 Remove the fabric from the machine. • Refer to "Fabric is caught in the machine and cannot be removed" (page 63). 3 Remove the upper thread, bobbin and then bobbin case. If threads remain in the bobbin case, remove it. • Refer to "Fabric is caught in the machine and cannot be removed" (page 63). 4 Insert the bobbin case, attach the needle plate cover, and then set the bobbin in the bobbin case. • Refer to "Cleaning the race" (page 60). 5 If the needle is bent, replace it with a new one. • Refer to "Replacing the needle" (page 21). 6 Turn on the machine, and then press the needle position button to raise the needle. Thread the machine correctly. • Refer to "Upper threading" (page 16). Symptom 3 : The needle breaks, or the needle bends and thus hits the needle plate. ■■Cause You have not used the right combination of fabric, thread and needle. ■■Remedy Choose a thread and needle that are appropriate for the type of fabric. • Refer to "Needle types and their uses" (page 20). Symptom 4 : The fabric is not fed. ■■Cause The thread has become clogged as the stitch is too fine. ■■Remedy Lengthen the stitch length. • Refer to "Adjusting the stitch length and width" (page 26). 66