Manual, Singer 328 (Vintage Original) favorites you might try calibrating it

you might try calibrating it by disassembling and reassembling the Tension Unit completely - starting the gauge from scratch

and test it for proper electrical connection and safety

These original Singer magazine ads are from the 1940s

Original Type II Featherweight Case in Impeccable Condition

Manual, Singer 328 (Vintage Original) favorites you might try calibrating itAre you missing the original manual that came with your machine? We now sell vintage original Singer 328 Style O Matic manuals in the model and year you choose so your machine can be completely original. These manuals are in excellent original condition.