[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-641406-105":59,"doc-detail-641406-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","service-manual-sewing-machine-models-3851160209038512708090385127100903851271209038512714090-wind-the-bobbin-prepare-top-thread","SERVICE MANUAL - Sewing Machine Models 385.11602090385.12708090385.12710090385.12712090385.12714090 - Wind the bobbin & prepare top thread","","Instruction manual for specific sewing machine models, covering preparation steps required before stitching. Guides include releasing the clutch, winding the bobbin with correct thread path through winding tension discs and bobbin case slots, and properly routing the top thread. Details establish raise positions for take-up lever and pressers, thread tension disc procedure, needle threading from front to back, plus optional cover plate removals. Also outlines early adjustment topics and tension checks for top and bobbin threads.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/service-manual-sewing-machine-models-3851160209038512708090385127100903851271209038512714090-wind-the-bobbin-prepare-top-thread/641406/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/service-manual-sewing-machine-models-3851160209038512708090385127100903851271209038512714090-wind-the-bobbin-prepare-top-thread/641406.png","ImageObject",300,407,{"name":92,"@type":93},"River Wang","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How do you wind the bobbin on the specified sewing machine models?","Question",{"text":112,"@type":113},"Release the clutch knob toward you, draw thread from the spool through the bobbin winding tension discs, place the bobbin on the winding spindle until it clicks, then hold the thread end and start the machine until the bobbin stops. Remove the bobbin, clip the thread, and turn the clutch knob away while holding the hand wheel.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the key steps to prepare the top thread correctly?",{"text":117,"@type":113},"Raise the take-up lever to its highest position and raise the pressers foot. Place the spool on the spool pin with thread coming from the back, draw thread through the thread guide, route it through the tension area and check spring holder, pass through the take-up lever, into the needle bar thread guide, then thread the needle from front to back.",{"name":119,"@type":110,"acceptedAnswer":120},"How is top tension checked and adjusted?",{"text":121,"@type":113},"Set the top thread tension control to 3 and raise the pressers foot, then pass the thread between tension discs and around the check spring holder before lowering the foot and bringing the thread up. Top tension should be 65–95 g when pulling the thread in the direction labeled B; adjust the nut direction based on whether the tension is too tight or too loose, then recheck.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},641406,1793029703,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1099514067438,"https://ap-avatar.wpscdn.com/avatar/100002539ee87300030?x-image-process=image/resize,m_fixed,w_180,h_180&k=1780474512215547542","# SERVICE MANUAL\n\nSEWING MACHINE MODELS  \n385.11602090385.12708090385.12710090385.12712090385.12714090  \nTABLE OF CONTENTS  \n1. LOCATE AND IDENTIFY THE PARTS………………………………………………………………1  \n2. WIND THE BOBBIN ………………………………………………………………………………………………………………2  \n3. PREPARE YOUR TOP THREAD……………………………………………………………………………………………3  \n4. STITCH SELECTOR/STITCH LENGTH CONTROLS ………………………………………………………4~1&4-2  \n5. REMOVING COVERS AND ENCLOSURES ……………………………………………………………………………5-1&5-2  \n6. ADJUSTMENT ……………………………………………………………………………………………………………………………6-20  \nTOP TENSION …………………………………………………………………………………………………………………………6  \nBOBBIN TENSION ………………………………………………………………………………………………………………………………………7  \nPRESSER BAR HEIGHT AND ALIGNMENT…………………………………………………………………8  \nZIG-2AG SYNCHRONIZATION ……………………………………………………………………………………………9  \nSTITCH WIDTH ADJUSTMENT …………………………………………………………………………………………10  \nSTRETCH STITCH BALANCE……………………………………………………………………………11  \nFEED DOG HEIGHT…………………………………………………………………………………………………………………12  \nNEEDLE CLEARANCE TO SHUTTLE …………………………………………………………………………………13  \nNEEDLE BAR HEIGHT……………………………………………………………………………………………………………14  \nNEEDLE TIMING TO SHUTTLE ………………………………………………………………………15  \nZERO FEEDING ………………………………………………………………………………………………………………………16  \nAUTOMATIC MECHANISM ………………………………………………………………………………………………………17  \nDISENGAGEMENT OF FOLLOWER………………………………………………………………………………18  \nMOTOR BELT TENSION………………………………………………………………………………  \n19  \nWIRING …………………………………………………………………………………………………………………………………………20  \n7. OILING ………………………………………………………………………………………………………………………………………21  \n8.SPECIAL TOOLS REQUIRED……………………………………………………………………2-1&22-2  \nMODEL 385.11602090385.12708090385.12710090385.12712090385.12714090  \nLOCATE AND IDENTIFY THE PARTS  \nMODEL 385.11602090385.12708090385.12710090385.12712090385.12714090  \n## WIND THE BOBBIN\n\n1.  RELEASE CLUTCH BY TURNING THE CLUTCH KNOB(C)INSIDE THE HAND WHEEL TOWARD YOU.  \n2.  DRAW THREAD FROM SPOOL THROUGH BOBBIN WINDING TENSION DISCS(A).  \n3.  PULL END OF THREAD THROUGH HOLE IN BOBBIN AS SHOWN.  \nPLACE BOBBIN ONTO BOBBIN WINDING SPINDLE(B)WITH END OF THREAD COMING FROM THE TOPOF THE BOBBIN.PUSH BOBBIN WINDING SPINDLE TO THE RIGHT UNTIL IT CLICKS.  \n4.HOLDING THE END OF THREAD,START MACHINE.WHEN BOBBIN IS SLIGHTLY FILLED,SNIP OFF.  \n5.  WIND THREAD UNTIL BOBBIN STOPS.  REMOVE BOBBIN.CLIP THREAD.TURN CLUTCH KNOB AWAY FROM YOU WHILE HOLDING HAND WHEEL.  \n①Place bobbin in bobbin case②Pull thread through slot of case③Pull thread under tension  \nmaking sure thread feeds clock·as shown.spring and through the openingwise and is coming fromas shown above.bobbin as shown.  \n④Holding latch open.position⑤Case should lock into place  \nMODEL 385.11602090385.12708090385.12710090385.12712090385.12714090  \n## PREPARE YOUR TOP THREAD\n\nTHE NUMBERED STEPS BELOW FOLLOW THE NUMBERS ON THE ILLUSTRATIONSDOTTED LINES SHOW PLACES WHERE THE THREAD LOOPS AND THEN IS PULLED TIGHT.  \nRAISE THE TAKE-UP LEVER TO ITS HIGHEST POSITION BY TURNING THE HAND WHEEL TOWARD YOU.RAISE THE PRESSER FOOT LEVER  \nPLACE SPOOL ON THE SPOOL PIN WITH THREAD COMING FROM THE BACK OF THE SPOOL.  \n1.  DRAW THREAD THROUGH THE THREAD GUIDE.  \n2.HOLDING THREAD TAUT WITH RIGHT HAND,DRAW THREAD DOWN INTO THE TENSION AREA AND THENARROUND THE CHECK SPRING HOLDER  \n3.  FIRMLY DRAW THREAD UP AND THROUGH THE TAKE-UP LEVER FROM RIGHT TO LEFT.  \n4.DRAW THREAD DOWN AGAIN AND SLIP IT INTO THE NEEDLE BAR THREAD GUIDE  \n5.THREAD NEEDLE FROM FRONT TO BACK.  \n## FACE COVER PLATE\n\n1.REMOVE THE SCREW(A).  \n2.TAKE THE FACE COVER PLATE OFF.  \n## THREAD GUIDE COVER\n\n1.REMOVE THE SCREW(B).  \n2.TAKE THE THREAD GUIDE COVER OFF.  \n## BELT COVER\n\n1.REMOVE THE SCREWS(C)AND(D).  \n2.  TAKE THE BELT COVER OFF.  \n\n| SCREW   | SIZE   | TYPE   |\n| --- | --- | --- |\n| A   | 4x6   | 十一Pan head   |\n| B   | 4x12   | +-Binding head   |\n| C   | 4x20   | +-Binding head   |\n| D   | 4x12B   | +Pan head self  \u003Cbr>tapping   |\n\n## REMOVING COVERS AN ENCLOSURES\n\nFACE COVER PLATE  \nTHREAD GUIDE COVER  \n## REMOVING COVERS AN ENCLOSURES\n\nARM COVER PLATE  \n1.REMOVE THE SCREW","cbCaiiRwNWIFT276","https://ap.wps.com/l/cbCaiiRwNWIFT276","pdf",676819,27,"English","# Service Manual\n## Locate and Identify the Parts\n## Wind the Bobbin\n## Prepare Your Top Thread\n## Face Cover Plate\n## Thread Guide Cover\n## Belt Cover\n## Removing Covers and Enclosures\n## Control Panel Unit\n## Top Tension\n## Bobbin Tension\n## Presser Bar Height and Alignment","[{\"question\":\"How do you wind the bobbin on the specified sewing machine models?\",\"answer\":\"Release the clutch knob toward you, draw thread from the spool through the bobbin winding tension discs, place the bobbin on the winding spindle until it clicks, then hold the thread end and start the machine until the bobbin stops. Remove the bobbin, clip the thread, and turn the clutch knob away while holding the hand wheel.\"},{\"question\":\"What are the key steps to prepare the top thread correctly?\",\"answer\":\"Raise the take-up lever to its highest position and raise the pressers foot. Place the spool on the spool pin with thread coming from the back, draw thread through the thread guide, route it through the tension area and check spring holder, pass through the take-up lever, into the needle bar thread guide, then thread the needle from front to back.\"},{\"question\":\"How is top tension checked and adjusted?\",\"answer\":\"Set the top thread tension control to 3 and raise the pressers foot, then pass the thread between tension discs and around the check spring holder before lowering the foot and bringing the thread up. Top tension should be 65–95 g when pulling the thread in the direction labeled B; adjust the nut direction based on whether the tension is too tight or too loose, then recheck.\"}]","SERVICE MANUAL - Sewing Machine Models 385.11602090385.12708090385.12710090385.12712090385.12714090 - Wind the bobbin & prepare top thread | PDF",1792713901,68]