Bring your Singer 301 or 301A back to that quiet, confident straight stitch you remember. Singer 301/301A Tune-Up Manual is a kitchen-table guide to diagnosing, cleaning, and tuning the 301 family—without guesswork or specialty tools. You’ll follow clear, do-this-then-that steps to deep-clean and oil the machine, balance top and bobbin tension, set feed height and presser pressure, check needle-bar height and hook timing safely, refresh the motor/belt/controller, and fix slow bobbin winding. Quilters get practical setups for piecing, bindings, ditch-stitching, and free-motion—plus fast symptom maps that keep projects moving. You’ll learn to: Thread correctly and run a reliable baseline test - Follow a complete lubrication map (what gets oil vs. a hint of grease) - Balance tension and cure nests, loops, and puckers - Set feed-dog height/level and presser-foot pressure for any fabric - Verify hook timing and needle-bar height the safe, tiny-step way - Service the motor, belt, controller, clutch, and bobbin winder - Choose parts, accessories, and a care schedule that keeps it perfect If you can sort screws and follow a checklist, you can make your 301/301A sew like new—every day.