Singer 111G155 bobbin adjustment screw set solid

[chrisash]

Unable to get enough power on the little screw driver to adjust the bobbin tension, have tried to remove hook to get at it at proper angle but hook 2 top screws also locked hard

Machine has not been used for a time and  from the looks the last owner only used 69 thread so maybe screws have been left alone for quite a while

Can you get right angle screwdrivers that come in such a small size

Any other suggestion, working at present but bobbin tension quite loose, but would like to free up hook assembly to clean up and oil etc

Screwdrivers used 2.4 mm and 3 mm

 

 

Edited December 18, 2020 by chrisash

[Constabulary]

Maybe gummed up screw thread. I´d try to apply some heat with a heat gun or small gas blow torch.

Tension maybe loose because lint has accumulated under the tension spring or a spring has a worn grove.

Edited December 18, 2020 by Constabulary