{ "item_title" : "The Sewing Machine Repair Handbook", "item_author" : [" Johny Truett "], "item_description" : "Diagnose the symptom. Understand the system. Make one measured correction at a time-and verify the repair before the machine returns to use.A skipped stitch, thread nest, stiff handwheel, feeding fault, or unfamiliar noise can tempt you to adjust several settings at once. That often hides the original cause. This practical handbook replaces trial and error with a disciplined process: identify the machine, inspect it safely, establish a baseline, test simple causes first, measure before changing critical relationships, and confirm the result with controlled sewing tests.Begin with sewing-machine anatomy and lockstitch formation, then learn how needles, thread, bobbins, tension assemblies, presser systems, feed dogs, hooks, and drive components work together. Symptom-led chapters help you investigate threading errors, tension imbalance, looping, bird-nesting, skipped stitches, thread breakage, needle strikes, poor feeding, stitch-length and reverse faults, bobbin-winding problems, zigzag operation, noise, vibration, binding, and wear.When routine service is not enough, the book explains how to evaluate hook timing, needle-bar height, critical clearances, handwheels, belts, gears, shafts, bushings, and other mechanical relationships without assuming that one specification fits every machine. It also covers cleaning and lubrication, reviving long-stored equipment, vintage mechanisms, controlled disassembly and reassembly, obsolete-part decisions, electronic and computerized systems, and clear limits for specialist work.Use this handbook to: identify the machine and mechanism before selecting a procedureseparate setup errors, maintenance needs, adjustment faults, wear, and failurefollow low-risk diagnostic checks before disturbing internal settingsrecord measurements, parts, and reference positions during servicetest stitch formation, feed, reverse, winding, and mechanical operation after repairrecognize when electrical, structural, or model-specific conditions require qualified serviceDesigned for owners, beginners, vintage-machine enthusiasts, and experienced repairers, the guide works both as a learning sequence and as a bench reference. A quick troubleshooting index, glossary, reference tables, checklists, worksheets, and service records support repeat use. Model-specific instructions and tolerances always take priority. Disconnect power before service; energized mains-voltage diagnosis and board-level repair are outside the scope. If you want a careful path from first observation to final verification, this handbook gives you the systems knowledge and structured workflow to approach mechanical faults with greater clarity.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/819/213/9798192133903_b.jpg", "price_data" : { "retail_price" : "189.00", "online_price" : "189.00", "our_price" : "189.00", "club_price" : "189.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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