Make sure that you use the proper type of foot and needle, and that you have made the proper thread adjustments. If the problem continues, please consult the nearest authorized service center of Singer.
Lubricate the parts which are shown on the user's guide of your machine only, not any other parts.
Keep in mind that sewing machines should be lubricated based on use frequency. If you use your machine for once only, you should lubricate it once a year; if you use it more frequently, you should lubricate it semiannually. You should use lubricating oil by Singer, only. This is a special lubricating oil, and doesn't contain any hazardous sediment that may affect operation of sensitive parts.
Twin needle: A twin needle is actually two needles joined on one shank that's inserted into the machine like a single needle. For which purposes is it used? It is used for sewing various ornaments, pintucks and sports items.
How is it used:
Insert twin needle,
Feed two threads to the machine,
Pass the threads through two needle holes individually.
If you sew an ornamental picot other than straight stitch, reduce the width of pattern by half. In any machines supporting automatic twin needle position, push the button for twin needle.
The respective dealer will send the installation team comprising of authorized service personnel who will install the casing, assemble the machine on the casing, start the machine and provide you with a brief training on use of the machine.
537 model bags, you can purchase at Singer points of sales or our website, are used for cast machines such as 1301, Moderna, Straight stitch, Yoknaz, etc. You can install your cast machines on 537 model bags, which means you can not only make location-saving but also turn your machine into a portable machine .
Casings are used only for cast machines, You can use cast machines such as 1301, Moderna, Straight stitch, Yoknaz. etc. with only 452 model furniture, You can use the other machine types with 621 and 622 model bags, and keep them closed.