{
  "id": "lst300-spool-rewind",
  "version": "2.0.0",
  "title": "Rewind the original spool with bulk line",
  "deviceFamily": "garden",
  "group": "lst300-spool",
  "intent": "Maintenance",
  "summary": "Use the LST300 fold, slot and adjacent-hole anchor, then wind neat layers only as far as the spool recesses.",
  "modelApplicability": [
    "lst300-us"
  ],
  "modelDetails": [
    {
      "id": "lst300-us",
      "family": "garden",
      "brand": "BLACK+DECKER",
      "series": "LST300",
      "label": "BLACK+DECKER LST300 · US · AF-100",
      "region": "US",
      "componentVersion": "Automatic-feed head with AF-100 spool; match model and tool type to manual",
      "manual": "lst300-manual",
      "help": "Remove the battery. Find LST300 and the adjacent type number on the tool label. Compare the guard, cap, spool and assembly figures with the linked LST300 manual. Use ServiceNet for your exact type if they differ. LST300 is not a bump-feed head.",
      "exclusions": [
        "LST420 / LSTE525",
        "GH corded models",
        "Dual-line heads",
        "Metal line or blades",
        "Nonmatching tool type or modified head"
      ],
      "recognitionSource": "bd-manual-help"
    }
  ],
  "exclusions": [
    "LST420 / LSTE525",
    "GH corded models",
    "Dual-line heads",
    "Metal line or blades",
    "Nonmatching tool type or modified head",
    "Unknown tool type or missing exact-type manual",
    "Bump-feed conversion"
  ],
  "prerequisites": [
    "Release the trigger, let the head stop, engage the lock-off and remove the battery. Leave it removed throughout hands-on care. Keep fingers away from the sharp cutter on the guard.",
    "Read LST300 and the tool type from the label. Open the official model/type lookup and compare its manual and parts figures with your actual guard, single-line head and AF-100 spool. A readable model name alone does not establish the type. If the exact type manual cannot be obtained, or any figure differs, save a preparation record and stop."
  ],
  "tools": [
    "Good lighting",
    "Scissors for nylon only"
  ],
  "materials": [
    "0.065 inch (1.65 mm) round nylon monofilament",
    "Intact original empty spool"
  ],
  "checks": [
    {
      "id": "safety",
      "prompt": "Is the battery removed, the trigger released and the cutting head stopped, with no battery damage, exposed wiring or faulty switch?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English pp2–3 Safety; p8 Installing and removing the battery pack",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "compatibility",
          "advice": "Keep the battery removed for every hands-on step."
        },
        {
          "id": "no",
          "label": "No",
          "next": "service",
          "advice": "Stop using the tool for electrical, battery or switch damage. If you have only omitted battery removal, make the tool safe before restarting."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Keep the battery removed. Save your preparation record and check the matching manual before continuing."
        }
      ]
    },
    {
      "id": "compatibility",
      "prompt": "Have you matched the label LST300 AND its exact tool type to the official lookup manual and its figures, with the original AF-100 automatic single-line head?",
      "sourceId": "bd-manual-help",
      "sourceLocator": "Official model/type lookup instructions; type is beside or below the model number",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-1",
          "advice": "Record the label type and matching manual reference in the first step."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "An unknown type, unavailable type manual, different figures, bump-feed head or dual-line conversion blocks this procedure. Use manufacturer support to identify the correct instructions."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Keep the battery removed. Save your preparation record and check the matching manual before continuing."
        }
      ]
    },
    {
      "id": "check-1",
      "prompt": "Does the empty original spool match the slot, adjacent hole, direction arrow and recesses in figs P–R?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-2",
          "advice": "Follow this exact anchor and fill limit."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "Use factory-wound AF-100 or obtain the correct type manual; do not use a generic spool anchor method."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Keep the battery removed. Save your preparation record and check the matching manual before continuing."
        }
      ]
    },
    {
      "id": "check-2",
      "prompt": "Is the bulk line round 0.065 inch (1.65 mm) nylon and the spool undamaged?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "steps",
          "advice": "Neat winding matters; factory-wound spools are recommended for best results."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "Obtain compatible line and an intact spool before winding."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Keep the battery removed. Save your preparation record and check the matching manual before continuing."
        }
      ]
    }
  ],
  "branches": [
    {
      "checkId": "safety",
      "optionId": "yes",
      "next": "compatibility"
    },
    {
      "checkId": "safety",
      "optionId": "no",
      "next": "service"
    },
    {
      "checkId": "safety",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "compatibility",
      "optionId": "yes",
      "next": "check-1"
    },
    {
      "checkId": "compatibility",
      "optionId": "no",
      "next": "prepared"
    },
    {
      "checkId": "compatibility",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "check-1",
      "optionId": "yes",
      "next": "check-2"
    },
    {
      "checkId": "check-1",
      "optionId": "no",
      "next": "prepared"
    },
    {
      "checkId": "check-1",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "check-2",
      "optionId": "yes",
      "next": "steps"
    },
    {
      "checkId": "check-2",
      "optionId": "no",
      "next": "prepared"
    },
    {
      "checkId": "check-2",
      "optionId": "unsure",
      "next": "prepared"
    }
  ],
  "steps": [
    {
      "title": "Record the exact tool and make it safe",
      "text": "Release the trigger, let the head stop, engage the lock-off and remove the battery. Leave it removed throughout hands-on care. Keep fingers away from the sharp cutter on the guard. Read LST300 and the tool type from the label. Open the official model/type lookup and compare its manual and parts figures with your actual guard, single-line head and AF-100 spool. A readable model name alone does not establish the type. If the exact type manual cannot be obtained, or any figure differs, save a preparation record and stop.",
      "observation": "The battery is physically separate from the tool; your label type and matching manual reference are written below.",
      "sourceId": "bd-manual-help",
      "sourceLocator": "Official model/type lookup instructions; type is beside or below the model number",
      "requiredFields": [
        "tool-type",
        "matched-manual"
      ],
      "id": "step-1"
    },
    {
      "title": "Remove the empty spool and old line",
      "text": "Release the cap tabs and remove the cap and empty spool as in figs M–O. Remove all remaining old line from the spool. Inspect for cracks and locate the anchoring slot, adjacent hole, winding arrow and recesses.",
      "observation": "The spool is empty and all four documented features are identified.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "id": "step-2"
    },
    {
      "title": "Make the specified fold",
      "text": "Fold the end of the compatible bulk line at approximately 3/4 inch (19 mm). Feed the line into one of the anchoring slots as fig P shows. Do not tie a knot or copy an anchor for another model.",
      "observation": "The short folded end is about 19 mm and is aligned with the slot.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "id": "step-3"
    },
    {
      "title": "Anchor in the adjacent hole",
      "text": "Insert the 3/4 inch (19 mm) end into the hole beside that slot as fig Q shows. Draw the line tight against the spool. If your spool has no matching adjacent hole, stop and recheck compatibility.",
      "observation": "The starting line sits tight against the spool in the slot-and-hole arrangement.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "id": "step-4"
    },
    {
      "title": "Wind neatly to the recesses",
      "text": "Wind in the direction of the arrow actually marked on your spool. Keep the line in neat layers without crossing strands, as fig R shows. When the wound line reaches the recesses shown in fig Q, cut it. No fixed bulk length is substituted for this fill limit.",
      "observation": "The layers do not cross and the fill stops at the spool recesses.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "id": "step-5"
    },
    {
      "title": "Refit with one eyelet exit",
      "text": "Thread the line through the housing eyelet and seat the spool on the boss with a slight turn. Allow approximately 5-3/8 inches (136 mm) outside the housing, snap both cap tabs into their slots and cut any excess nylon back to the guard cutter.",
      "observation": "The spool is seated, the cap is secure and the line does not pass the cutter.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English pp9–10 Replacing the spool; figs M–O",
      "id": "step-6"
    },
    {
      "title": "Record the winding and follow-up",
      "text": "Record the line specification and whether the anchor, layers and fill limit match figs P–R. Complete after-care before use. Recurring tangles after correct winding are a reason to choose factory-wound AF-100 or seek support.",
      "observation": "The record identifies this as a hand-wound spool and preserves any feed issue for later checks.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R",
      "id": "step-7"
    }
  ],
  "outcomeChecks": [
    {
      "id": "outcome-1",
      "text": "The 3/4 inch fold uses the documented anchoring slot and adjacent hole; the start is tight.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R"
    },
    {
      "id": "outcome-2",
      "text": "Winding follows the spool arrow, has no crossed layers and stops at the recesses.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R"
    },
    {
      "id": "outcome-3",
      "text": "The refitted spool, eyelet path, cap and cutter limit pass before a normal-use test.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R"
    }
  ],
  "stopConditions": [
    "Keep the battery removed if the exact type/manual match is unknown or parts differ from the figures.",
    "Stop for a damaged battery, exposed wiring, a faulty switch, cracked guard, broken spool/hub, damaged cap tabs or housing slots. Use an authorized service center. Never open the battery, motor housing or charger."
  ],
  "sources": [
    {
      "id": "lst300-manual",
      "title": "BLACK+DECKER LST300 instruction manual (manufacturer document, retailer-hosted)",
      "url": "https://pdf.lowes.com/productdocuments/1935f26b-7448-4c95-b467-a223bb73d80f/63056925.pdf",
      "checkedAt": "2026-10-13",
      "use": "Safety, assembly, replacement spool/line, maintenance and troubleshooting. Match the tool type and figures before use.",
      "license": "Manufacturer copyright, hosted by Lowe’s. Facts paraphrased; no diagrams or manual redistributed.",
      "region": "US",
      "locator": "English p10 Rewinding spool from bulk line; figs P–R"
    },
    {
      "id": "bd-manual-help",
      "title": "BLACK+DECKER: locate a manual using model and type number",
      "url": "https://support.blackanddecker.com/hc/en-us/articles/360012700118-How-can-I-get-a-parts-list-or-manual-for-my-tool",
      "checkedAt": "2026-10-13",
      "use": "Model/type number identification and authoritative ServiceNet lookup",
      "license": "Linked only.",
      "region": "US",
      "locator": "Official model/type lookup instructions; type is beside or below the model number"
    },
    {
      "id": "lst300-product",
      "title": "BLACK+DECKER LST300 product and support",
      "url": "https://www.blackanddecker.com/products/lst300",
      "checkedAt": "2026-10-13",
      "use": "Model identity, automatic feed, AF-100 included spool",
      "license": "Linked only; no product photos reused.",
      "region": "US",
      "locator": "LST300 model identity; Automatic Feed Spool; Includes AF-100"
    }
  ],
  "assets": [
    {
      "path": "/assets/garden/spool-rewind.svg",
      "title": "Fold, slot, adjacent-hole anchor and layered winding",
      "kind": "Original sequence schematic; compare the exact tool-type manual for shape and location",
      "sourceId": "lst300-manual"
    }
  ],
  "relatedIds": [
    "lst300-line-spec",
    "lst300-spool-replace",
    "lst300-feed-failure",
    "lst300-after-care"
  ],
  "specs": [
    {
      "name": "Round nylon line diameter",
      "value": 0.065,
      "unit": "inches",
      "condition": "Equivalent specification in the manual: 1.65 mm; round monofilament only",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p9 Cutting line / Line feeding; Replacement accessories"
    },
    {
      "name": "Initial line projection",
      "value": 136,
      "unit": "mm",
      "condition": "Approximately 5-3/8 inches in the manual; shorten any excess so it only reaches the guard cutter",
      "sourceId": "lst300-manual",
      "sourceLocator": "English pp9–10 Replacing the spool; figs M–O"
    }
  ],
  "recordFields": [
    {
      "id": "tool-type",
      "label": "Tool type exactly as printed on the label",
      "type": "text",
      "required": true,
      "dependsOnStep": "step-1"
    },
    {
      "id": "matched-manual",
      "label": "Exact-type manual reference or link that you matched",
      "type": "text",
      "required": true,
      "dependsOnStep": "step-1"
    },
    {
      "id": "bulk-marking",
      "label": "Bulk-line marking checked",
      "type": "text",
      "required": true,
      "dependsOnStep": "step-2"
    },
    {
      "id": "winding-check",
      "label": "Anchor tight, layers uncrossed and fill at recesses",
      "type": "checkbox",
      "required": true,
      "dependsOnStep": "step-5"
    },
    {
      "id": "final-result",
      "label": "Result of this task",
      "type": "select",
      "options": [
        {
          "value": "ready",
          "label": "Checks passed; ready for the stated next step"
        },
        {
          "value": "follow-up",
          "label": "More preparation or a linked task is needed",
          "resultGate": "prepared"
        },
        {
          "value": "service",
          "label": "Leave unused and contact service",
          "resultGate": "service"
        }
      ],
      "required": true,
      "dependsOnStep": "step-7"
    }
  ],
  "consumables": [
    {
      "name": "Bulk cutting line",
      "specification": "0.065 inch (1.65 mm) round nylon monofilament",
      "fit": "Intact original AF-100 spool with the slot, adjacent anchor hole, arrow and fill recesses in figs P–R",
      "exclude": "Serrated, square, heavier or metal line; different anchor geometry",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R"
    },
    {
      "name": "Factory-wound replacement spool",
      "specification": "BLACK+DECKER AF-100; 0.065 inch (1.65 mm) round nylon monofilament",
      "fit": "Original LST300 automatic single-line head, after exact tool-type/manual match",
      "exclude": "Bump-feed or dual-line heads; metal, serrated or heavier line; unverified replacement heads",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p9 Cutting line / Line feeding; Replacement accessories"
    }
  ],
  "maintenance": {
    "trigger": "Usable line is exhausted and an intact original spool will be reused",
    "intervalText": "Inspect when the stated condition occurs. The manual gives no fixed day or month interval.",
    "basis": "manufacturer",
    "sourceId": "lst300-manual",
    "sourceLocator": "English p10 Rewinding spool from bulk line; figs P–R"
  },
  "updatedAt": "2026-10-13",
  "estimatedDuration": null,
  "fitChecks": [
    {
      "id": "type",
      "label": "Model and tool type",
      "accepted": "matched",
      "options": [
        {
          "value": "",
          "label": "Choose the version you can confirm"
        },
        {
          "value": "matched",
          "label": "LST300 and the exact type on my label match my manufacturer manual and figures"
        },
        {
          "value": "different",
          "label": "My type or manual figures differ"
        },
        {
          "value": "unchecked",
          "label": "I have not checked the type number"
        },
        {
          "value": "unknown",
          "label": "I am not sure"
        }
      ],
      "help": "Remove the battery before finding the label. Use the manufacturer model-and-type lookup; this site does not infer a type number from LST300 alone."
    },
    {
      "id": "head",
      "label": "Cutting head",
      "accepted": "af100",
      "options": [
        {
          "value": "",
          "label": "Choose the version you can confirm"
        },
        {
          "value": "af100",
          "label": "Original AF-100 automatic-feed single-line head"
        },
        {
          "value": "bump",
          "label": "Bump-feed head"
        },
        {
          "value": "dual",
          "label": "Dual-line or modified head"
        },
        {
          "value": "metal",
          "label": "Metal line or blade"
        },
        {
          "value": "unknown",
          "label": "I am not sure"
        }
      ],
      "help": "Do not substitute a bump-feed procedure, dual-line spool or metal cutting attachment."
    }
  ]
}