SE-400
FAQs & Troubleshooting |
SE-400
Date: 04/07/2009 ID: faqh00000002_000
How do I correctly install a bobbin?
- Make sure bobbin thread unrolls in the correct direction when installing the bobbin into bobbin case.
- Be sure to set a bobbin so that thread unrolls in the correct direction.
If the thread unrolls in the wrong direction, the needle may break or the thread tension will be incorrect.
- Use a bobbin that has been correctly wound with thread.
Otherwise, the needle may break or the thread tension will be incorrect.Wound evenly Wound poorly
- Be sure to set a bobbin so that thread unrolls in the correct direction.
- Be sure to insert the thread through the tension-adjusting spring of the bobbin case.
In step 3 and 4 below, a hint for inserting thread through tension-adjusting spring and how to check if it's properly inserted will be described.Tension-adjusting spring - When embroidering
surface of fabric
underside of fabricAs shown in the left pictures, only a bobbin thread appears on both sides of fabric if the thread is not inserted through the tension-adjusting spring. - When utility stitch sewing
Surface Upper thread
Bobbin thread
Locks appear on the surface of fabric
- When embroidering
- In case of a machine equipped with Quick-set bobbin (needle plate with a cutter for bobbin thread), lightly hold down a bobbin with your finger and cut the thread with the cutter when installing a bobbin into a bobbin case so that the thread can be inserted through the tension-adjusting spring surely.
Cutter
You will feel some resistance when pulling the thread toward the blue arrow direction, if the thread is surely inserted through the tension-adjusting spring.
However, you will be able to pull the thread easily without any resistance or friction, if thread is not inserted through the tension-adjusting spring. - If thread is inserted through the tension-adjusting spring surely, the bobbin thread passes over the bobbin when it is pulled up, as shown in the below illustration.
Upper thread
Bobbin thread
Upper thread
Bobbin thread
BM-2700, BM-3600, BX2925PRW, CE1125PRW, CE-5000/5000PRW, CP2410, CS-100T/4000/5000H, CS-6000/6000b/6000t/6000i, CS7000i, CS7130, CS7205, CS-80, CS-8060, CS-8072, CS-8150, CS9100, DZ2400, DZ2750, DZ3000, DZ3400, DZ820E, ES-2000/2000T, EX-660, HC7140, HE1, HE-120, HE-240, HE300, HS-2000, HS-3000, Innov-is 1000, Innov-is 1200, Innov-is 1250D, Innov-is 1500D/1500, Innov-is 2500D, Innov-is 2800D, Innov-is 40, Innov-is 4000D/4000, Innov-is 40e, Innov-is 4500D, Innov-is 4750D, Innov-is 500D, Innov-is 6000D, Innov-is 6700D, Innov-is 6750D, Innov-is 80, Innov-is 85e, Innov-is 900D, Innov-is 950D, Innov-is 990D, LB6770/6770PRW, LB-6800, LB6810, LS-590, NX-200, NX-250, NX-400Q/400, NX-450/450Q, NX570Q, NX-600, NX-650Q, PC-210/210PRW, PC-420/420PRW, PC-6500, PC-8500/8500D, PE-150V, PE-170D, PE-180D, PE-300S, PE-430, PE-450, PE500, PE525, PE540D, PE-700/750D, PE-700II/750D(USB), PE-770, PE-780D, PS300T, PS-3100/3700, QB9110L, QC-1000, SB1000T, SB3129, SB4138, SB700T, SB7050E, SB7500, SB8000, SC3000, SC6600, SC9500, SE1800, SE-270D, SE-350, SE-400, SE425, SM8270, SQ-9000, SQ9050, SQ9100, SQ9130, SQ9185, SQ9285, SQ9310, ST150HDH, ULT2001/2001N/2001C/2002D/2003D, XL-2600/2600i/2610, XL-3500/ t/ i/3510/3520, XL-3750, XL-6452, XL-6562, XR3140, XR3240, XR3340, XR-52C, XR-65T, XR-7700, XR-9000, XR9500PRW, XR9550/XR9550PRW, XS2070, XS2080, XS2100, XS3109
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