This is almost always caused by incorrect upper threading or the thread not being in the tension discs.
This usually indicates the machine is dry and needs oiling.
These databases often host "generic" Victoria manuals that cover the 500-series.
If you are operating the machine without a manual, here are the critical areas you’ll need to understand: 1. Threading the Machine
Use only high-quality sewing machine oil. Place a single drop on any moving metal parts and the hook race.
This guide covers everything you need to know about the Victoria 537, from basic operation to where you can track down a physical or digital copy of the manual. What is the Victoria 537?
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