https://manualsoncd.com/product/singer-401-401a-sewing-machine-service-parts-manual/ Download Your Sewing Machine Manual Today! Thu, 11 Dec 2025 16:45:18 +0000 hourly 1 https://manualsoncd.com/product/singer-401-401a-sewing-machine-service-parts-manual/#comment-145868 Mon, 15 Jul 2024 10:00:00 +0000 https://manualsoncd.com/?post_type=product&p=13092#comment-145868 Very helpful manual. I picked this machine up at a thrift store and the upper tension was taken apart and in pieces.
I was able to put it back together since the manual has a diagram of the tension assembly.
Thanks for having this available. I also purchased your Singer 401 parts manual as well. Robert

]]>