Dbz456

I have it set on high but i have tried all the settings problem still persists

https://imgur.com/a/w4JxnpH Uploaded with audio i removed some parts to be able to identify the problem I don’t know if it was dropped and was def sitting for a while I oiled it up disconnected belt and it still gets kinda “stuck” When the hand lift is up the wheel moves smoother but when lift is down it makes continues to make sound

https://imgur.com/a/2jKMfS7 I just got this juki 1541 i oiled it up and when i use the knee lift it makes sound that doesn’t sound right it also makes that sound when sewing it’s almost as if the motor sometimes stops becuase something is obstructing is this normal