Babylock BL4-736D Serger Machine Instruction Manual (Model 4-736D) - 26 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 Babylock BL4-736D. 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.