Necchi 4575 Mechanical Sewing Machine "hook race problems" Questions

hook/race (clean bobbin, hook, race) 6.Wrong bobbin (replace with proper machine bobbin) 7.Bobbin thread tension too high (reduce bobbin spring pressure, likewise top thread tension) 8.Poor quality or

...hook. (The race is the black round part that the bobbin goes inside.) On the left part of the race there is a small steel clip that you push to the left and it should fall open. Then remove the hook, ...

...the needle to it's at the highest position and set the race hook into the shuttle so the hook is at the lower left. Re-place the hook race cover and move the levers or pegs to hold the cover in

...hook looks like a half moon- make a full circle out of both of them. Re-install the race cover, pushing the left ear to the right and the right ear to the left to secure the race cover, and your ...

...hook looks like a half moon- make a full circle out of both of them. Re-install the race cover, pushing the left ear to the right and the right ear to the left to secure the race cover, and your ...

...hook race doesn't need cleaning and I've found that actually people rarely clean the hook race because it doesn't need oiling, with the consequence that the surface can get significantly ...

...hook and race so they don't move after they're clipped in? I removed the bobbin, then the hook and race to remove and possible thread, but for the third time, the needle stops about half-way down so ...

...hook race. Remove and clean bobbin area (hook race). Could also be a damaged bobbin case. Check top thread tension by comparing foot up to foot down while pulling top thread. Is the thread in the bob ...

...place bobbin case. Anyone have any suggestions what I'm doing wrong? there could be a problem with the hook and hook race,, I suggest having the machine check to see if it is the hook and hook ...

hook, or race problem. Clean and lube the hook, race and bobbin area according to manufacturer instructions. Make sure the edges of the bobbin are smooth and bobbin is not cracked (if plastic). If you