{
  "id": "lst300-clean-housing",
  "version": "2.0.0",
  "title": "Clean the trimmer housing and vents",
  "deviceFamily": "garden",
  "intent": "Maintenance",
  "summary": "Clear accessible grass from air intakes and wipe external plastic while keeping the motor and contacts dry.",
  "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": [
    "Soft rag",
    "Good lighting"
  ],
  "materials": [
    "Mild soap",
    "Water only to dampen the rag"
  ],
  "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": "Is the dirt accessible on the outside of the tool, with no liquid inside or visible electrical damage?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-2",
          "advice": "Inspect the intake openings and grip surfaces."
        },
        {
          "id": "no",
          "label": "No",
          "next": "service",
          "advice": "Liquid inside or damaged electrical parts needs service."
        },
        {
          "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": "Can you remove the loose debris without inserting tools into vents or opening the motor housing?",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "steps",
          "advice": "Use gentle surface cleaning only."
        },
        {
          "id": "no",
          "label": "No",
          "next": "service",
          "advice": "Leave inaccessible debris for an authorized service center."
        },
        {
          "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": "service"
    },
    {
      "checkId": "check-1",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "check-2",
      "optionId": "yes",
      "next": "steps"
    },
    {
      "checkId": "check-2",
      "optionId": "no",
      "next": "service"
    },
    {
      "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": "Locate the dirty areas",
      "text": "Set the tool down securely with the guard cutter clear of your hands. Look at the external intake slots, plastic housing and grips. Record whether the slots are covered by grass or only the exterior needs wiping.",
      "observation": "You have identified accessible dirt without removing the housing.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "id": "step-2"
    },
    {
      "title": "Lift away loose grass",
      "text": "Remove loose grass and dirt from the external slots and housing without pushing it inside. Stop if material is tightly bound into the head or cannot be reached safely.",
      "observation": "The visible intake openings are clear rather than packed with debris.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "id": "step-3"
    },
    {
      "title": "Wipe the plastic",
      "text": "Apply mild soap to a lightly damp rag and wipe external plastic surfaces. Keep liquid away from openings and battery contacts. Do not immerse the trimmer, spray it with a hose or use a pressure washer.",
      "observation": "The rag is damp, not dripping; no liquid enters the tool.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "id": "step-4"
    },
    {
      "title": "Check grips and drying",
      "text": "Leave the exterior to dry. Inspect the grips for remaining grease, soap or moisture and wipe them clean. The manual specifies dry, clean handles; it does not prescribe a fixed drying duration for this wipe.",
      "observation": "Grips are dry and clean; slots remain visibly unobstructed.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "id": "step-5"
    },
    {
      "title": "Record cleaning and the next action",
      "text": "Record the areas cleared and whether the exterior is fully dry. Use the storage task if putting the trimmer away, or the after-care check before normal use. Persistent slow running follows its own troubleshooting task.",
      "observation": "You can distinguish a completed wipe from a remaining operational symptom.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety",
      "id": "step-6"
    }
  ],
  "outcomeChecks": [
    {
      "id": "outcome-1",
      "text": "External air intakes are visibly clear and no housing was opened.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety"
    },
    {
      "id": "outcome-2",
      "text": "Plastic and handles are clean and dry; liquid has stayed outside the tool.",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety"
    }
  ],
  "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 items 1, 3; p3 Safety"
    },
    {
      "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/housing-clean.svg",
      "title": "External intake cleaning and damp-rag care",
      "kind": "Original sequence schematic; compare the exact tool-type manual for shape and location",
      "sourceId": "lst300-manual"
    }
  ],
  "relatedIds": [
    "lst300-slow",
    "lst300-storage",
    "lst300-after-care"
  ],
  "specs": [],
  "updatedAt": "2026-10-13",
  "estimatedDuration": null,
  "group": "lst300-storage",
  "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": "cleaned-areas",
      "label": "Areas cleaned and debris found",
      "type": "text",
      "required": true,
      "dependsOnStep": "step-2"
    },
    {
      "id": "exterior-dry",
      "label": "Exterior and grips are completely dry",
      "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-6"
    }
  ],
  "consumables": [
    {
      "name": "Plastic-housing cleaner",
      "specification": "Mild soap on a damp rag; keep liquid out of the tool",
      "fit": "External plastic parts only",
      "exclude": "Immersion, hose, pressure washer; liquid in vents or battery contacts",
      "sourceId": "lst300-manual",
      "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety"
    }
  ],
  "maintenance": {
    "trigger": "Grass or dirt on the external air intakes, plastic housing or handles",
    "intervalText": "Keep intakes clear and handles clean and dry; no fixed cleaning interval is stated.",
    "basis": "manufacturer",
    "sourceId": "lst300-manual",
    "sourceLocator": "English p10 Maintenance items 1, 3; p3 Safety"
  },
  "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."
    }
  ]
}