Necchi 4575 Mechanical Sewing Machine "inserting hook race" Questions

...the hook race cover ( circular, with the two jagged points facing inwards and in 12 o'clock position) and snap back the two hook retaining arms. Ready for inserting bobbin case. Good ...

inserting the hook race and hook with no luck. the needle will go down w/o the hook race but never after i& my needle will not depress when the hook race, hook and bobbin are in place and locked in

...hook and shuttle race Have Baby Lock 1556. Removed shuttle hook to clean shuttle race. Can't get it reassembled. Manual isn't much help. the hook driver (still in machine) is 1/2 moon shape. The hook ...

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

...is in the left position..replace the hook to right side...replace the hook race cover..smooth end to the bottom..and snap back the hook retaining arms...now ready for inserting bobbin case...Good ...

...hook race and give it a drop of oil every few bobbins-worth of thread anyway, so if you're not doing that, your machine is probably trying to tell you something !!!  I am assuming that the ...

...inserted into the bobbin case backwardsif the bobbin is not in backwards and the bobbin is inserted correctlythen the hook and hook race should be checked by a repair shop to see if they are ...

...hook race (below the bobbin case). The complete cleaning procedure for this area is, with the needle fully up, remove the bobbin case and rotate the arms that hold the hook outwards. Remove the hook ...

...will not pick up bobbin thread Typical issues; Bent needle Needle not fully inserted into holder Debris in bobbin case, hook, and/or hook race Top tension too high (extreme) Damaged hook Machine ...

Bernina B710 needle is hitting the hook race is it the timing do you think? Hook race is definitely inserted correctly If a brand new needle still hits, then the machine is probably out of time.