{
  "id": "lst300-spare-line-storage",
  "version": "2.0.0",
  "title": "Store spare cutting line correctly",
  "deviceFamily": "garden",
  "group": "lst300-storage",
  "intent": "Maintenance",
  "summary": "Keep spare compatible nylon from drying out using the manual’s sealed-bag method, away from the assembled tool and battery.",
  "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": [
    "Tablespoon measure"
  ],
  "materials": [
    "Sealable plastic bag",
    "One tablespoon of water",
    "Spare compatible prewound spool or bulk line"
  ],
  "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": "Are you storing loose spare line or an unfitted spare spool, separate from the tool, battery and charger?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-2",
          "advice": "Only spare nylon supplies belong in this method."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "Remove spare supplies from electrical equipment; do not apply this water treatment to the assembled tool."
        },
        {
          "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 spare line verified as compatible round nylon and is the bag clean and sealable?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "steps",
          "advice": "Use the manual’s one-tablespoon bag method."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "Check line specifications and prepare a suitable bag first."
        },
        {
          "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": "Identify and separate the spare supply",
      "text": "Read the AF-100 or bulk-line marking. Put the compatible spare spool or bulk line on a clean surface away from the trimmer, removed battery and charger. Keep the product label for later identification.",
      "observation": "Only spare nylon supplies are being prepared; no electrical equipment will enter the bag.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "id": "step-2"
    },
    {
      "title": "Prepare a sealable bag",
      "text": "Use a clean plastic bag that can be sealed around the spare supplies. Keep the line identity readable on a label outside the bag so it cannot be confused with heavier or differently shaped line.",
      "observation": "The storage bag closes and the line specification can still be identified.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "id": "step-3"
    },
    {
      "title": "Add the manual’s water amount",
      "text": "Place the spare prewound spool or bulk line in the bag and add one tablespoon of water, as the maintenance section specifies to prevent line drying. Keep all water away from the tool, battery and charger.",
      "observation": "The measured tablespoon is in the spare-line bag; this is not an instruction to wet the head or motor.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "id": "step-4"
    },
    {
      "title": "Seal and store the supplies",
      "text": "Seal the bag and keep it separate from electrical equipment in the storage area. The manual gives no soaking duration or recurring water-addition schedule; do not invent either.",
      "observation": "The bag remains sealed and separate from the battery and charger.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "id": "step-5"
    },
    {
      "title": "Record the stored part",
      "text": "Record the line marking, bag location and preparation date. When the line is needed, check its specification again and follow the spool-fitting or winding task. Keep bag water out of the tool during handling.",
      "observation": "The saved record makes the correct spare supply easy to identify later.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2",
      "id": "step-6"
    }
  ],
  "outcomeChecks": [
    {
      "id": "outcome-1",
      "text": "Only compatible spare prewound or bulk line is stored in the sealable bag with one tablespoon of water.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2"
    },
    {
      "id": "outcome-2",
      "text": "The bag is labeled and kept separate from tool, battery and charger.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2"
    }
  ],
  "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 Maintenance item 2"
    },
    {
      "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/spare-line-storage.svg",
      "title": "Spare nylon, measured water and a separate sealed bag",
      "kind": "Original sequence schematic; compare the exact tool-type manual for shape and location",
      "sourceId": "lst300-manual"
    }
  ],
  "relatedIds": [
    "lst300-line-spec",
    "lst300-storage",
    "lst300-spool-rewind"
  ],
  "specs": [],
  "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": "spare-line-label",
      "label": "Spare-line marking and storage location",
      "type": "text",
      "required": true,
      "dependsOnStep": "step-2"
    },
    {
      "id": "bagged-on",
      "label": "Date prepared",
      "type": "date",
      "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-6"
    }
  ],
  "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"
    },
    {
      "name": "Spare-line storage bag",
      "specification": "Sealable plastic bag with one tablespoon of water",
      "fit": "Spare prewound spools or bulk line only",
      "exclude": "Assembled trimmer, battery, charger or any electrical component",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance item 2"
    }
  ],
  "maintenance": {
    "trigger": "Spare nylon line is being stored",
    "intervalText": "Use the bag method for spare supplies. No soaking time or replenishment interval is specified.",
    "basis": "manufacturer",
    "sourceId": "lst300-manual",
    "sourceLocator": "English p10 Maintenance item 2"
  },
  "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."
    }
  ]
}