Singer 237 Instruction Manual (Model 237) - 44 Pages. Lost your serger machine's manual? We've got you covered! This instruction manual is the ultimate guide to unlock the full potential of your Singer 237. No more confusion or frustration—just clear, concise instructions right at your fingertips. What's inside? Everything you need to know from setting up to mastering your serger machine and all its features. The physical copy of the instruction manual is a soft-cover printed photocopy.