{"product_id":"ideal-armature-hq-series-c7-circular-saw-spare-part-generic-hitachi-type-27493","title":"ID HQ SERIES ARMATURE [C7] CIRCULAR SAW SPARE PART [Hitachi Type] - 27493","description":"\u003c!-- Short Description --\u003e\n\u003ch2 style=\"font-size: 1.6em; font-weight: bold; color: #1c2228; margin-top: 32px; margin-bottom: 20px;\"\u003eEngineered to Restore. Built to Outlast.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eIDEAL Armature HQ Series [C7]\u003c\/strong\u003e is a \u003cstrong\u003eheavy-duty replacement armature\u003c\/strong\u003e engineered for \u003cstrong\u003eHitachi-type circular saws\u003c\/strong\u003e, delivering professional-grade \u003cstrong\u003eelectrical-to-mechanical energy conversion\u003c\/strong\u003e with \u003cstrong\u003e100% copper windings\u003c\/strong\u003e, a \u003cstrong\u003eprecision multi-segment commutator\u003c\/strong\u003e, and a \u003cstrong\u003eresin-reinforced structure,\u003c\/strong\u003e purpose-built to restore and extend the working life of your power tools.\u003c\/p\u003e\n\u003c!-- Key Features \u0026 Perfect For Table --\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 24px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 40%; background-color: #1c2228; color: #ffffff; padding: 12px 16px; text-align: left; font-size: 1em; border-radius: 4px 0 0 0;\"\u003eKey Features\u003c\/th\u003e\n\u003cth style=\"width: 40%; background-color: #1c2228; color: #ffffff; padding: 12px 16px; text-align: left; font-size: 1em; border-radius: 0 4px 0 0;\"\u003ePerfect For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 14px 16px; border: 1px solid #e0e0e0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.9;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Copper Windings\u003c\/strong\u003e for maximum conductivity and heat resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Multi-Segment Commutator\u003c\/strong\u003e for smooth, low-spark current transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin-Coated \u0026amp; Laced Windings\u003c\/strong\u003e to withstand high centrifugal forces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Engineering\u003c\/strong\u003e built to outlast standard OEM replacements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi-Type Compatibility\u003c\/strong\u003e — direct-fit replacement for circular saw motors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 14px 16px; border: 1px solid #e0e0e0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.9;\"\u003e\n\u003cli\u003eRepair technicians and \u003cstrong\u003epower tool service workshops\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction professionals\u003c\/strong\u003e needing fast, reliable tool restoration\u003c\/li\u003e\n\u003cli\u003eContractors managing \u003cstrong\u003ehigh-frequency circular saw usage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaintenance teams handling \u003cstrong\u003eindustrial-grade power tool fleets\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Tagline --\u003e\u003c!-- Detailed Specifications \u0026 Features --\u003e\n\u003cul style=\"line-height: 2; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% High-Purity Copper Windings:\u003c\/strong\u003e Unlike armatures wound with aluminum or low-grade alloys, the HQ Series uses only high-purity copper wire throughout its winding construction. This ensures superior \u003cstrong\u003eelectrical conductivity\u003c\/strong\u003e, significantly reduced resistance heat build-up, and consistent performance even during extended, heavy-duty cutting cycles — making it the preferred choice for professionals who cannot afford downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Multi-Segment Copper Commutator:\u003c\/strong\u003e The commutator is machined to tight tolerances and features multiple copper segments that interface directly with the carbon brushes. This design \u003cstrong\u003eminimizes electrical arcing and sparking\u003c\/strong\u003e, reduces brush wear, and ensures a smooth, consistent power transfer to the motor shaft — critical for maintaining cutting accuracy and motor longevity in circular saw applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin-Coated and Laced Winding Structure:\u003c\/strong\u003e Each winding is individually laced and then fully encapsulated in a high-temperature resin coating. This dual-layer reinforcement method \u003cstrong\u003elocks the windings in place\u003c\/strong\u003e against the intense centrifugal forces generated at high RPM, preventing winding displacement, short circuits, and premature failure — a common cause of armature burnout in lesser-quality spare parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi-Type Direct-Fit Compatibility (Part No. 27493):\u003c\/strong\u003e Engineered as a \u003cstrong\u003egeneric replacement for Hitachi-type circular saw armatures\u003c\/strong\u003e, this unit is dimensionally matched to ensure a precise, hassle-free installation. The shaft diameter, core length, and commutator position are all calibrated to OEM specifications, eliminating the need for modifications and reducing repair time significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Longevity by Design:\u003c\/strong\u003e The HQ Series armature is not simply a replacement — it is an \u003cstrong\u003eupgrade in durability\u003c\/strong\u003e. Through the combination of premium copper windings, reinforced insulation, and a robust magnetic core, this armature is designed to deliver extended service intervals. When paired with proper maintenance practices, it gives your circular saw a genuine \"new lease on life,\" reducing the total cost of ownership over time.\u003c\/li\u003e\n\u003cli\u003eThe IDEAL Armature HQ Series [C7] is manufactured under stringent quality control standards that reflect IDEAL's commitment to industrial-grade reliability. Each unit ships complete and ready for installation, including one (1) armature assembly — everything your technician needs to get the tool back in service without sourcing additional components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- FAQ Section --\u003e\n\u003cdiv class=\"faq-section-styled\"\u003e\u003c!-- CSS Styles for the FAQ Section --\u003e\u003c\/div\u003e\n\u003cstyle\u003e\n.faq-section-styled {\nfont-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\nmargin-top: 40px;\n}\n.faq-section-styled h2 {\nfont-size: 2em;\nfont-weight: 700;\ncolor: #1C2228;\nborder-bottom: 2px solid #F4F4F4;\npadding-bottom: 15px;\nmargin-bottom: 30px;\n}\n.faq-section-styled details {\nbackground-color: #f9f9f9;\nborder: 1px solid #e9e9e9;\nborder-radius: 8px;\nmargin-bottom: 15px;\noverflow: hidden;\n}\n.faq-section-styled summary {\ndisplay: flex;\njustify-content: space-between;\nalign-items: center;\npadding: 20px;\nfont-weight: 600;\nfont-size: 1.1em;\ncolor: #1C2228;\ncursor: pointer;\nlist-style: none;\n}\n.faq-section-styled summary::-webkit-details-marker {\ndisplay: none;\n}\n.faq-section-styled .question-title {\ndisplay: flex;\nalign-items: center;\n}\n.faq-section-styled .question-title::before {\ncontent: '\\25B6';\nmargin-right: 15px;\nfont-size: 0.8em;\ncolor: #1C2228;\n}\n.faq-section-styled summary::after {\ncontent: '+';\nfont-size: 1.8em;\nfont-weight: 300;\ncolor: #1C2228;\ntransition: transform 0.2s ease-in-out;\n}\n.faq-section-styled details[open] summary::after {\ntransform: rotate(45deg);\n}\n.faq-section-styled .faq-answer-content {\nbackground-color: #FFFFFF;\npadding: 20px 20px 20px 55px;\nborder-top: 1px solid #e9e9e9;\n}\n.faq-section-styled .faq-answer-content p {\nmargin: 0;\nfont-size: 1em;\nline-height: 1.7;\ncolor: #2E2E2E;\ntext-align: left;\n}\n.faq-section-styled .faq-answer-content p strong {\ncolor: #1C2228;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"faq-section-styled\"\u003e\n\u003c!-- Section 1: General Purchase \u0026 Comparison Queries --\u003e\n\u003ch2\u003eGeneral Purchase \u0026amp; Comparison Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs this armature compatible with my Hitachi circular saw?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIDEAL HQ Series [C7] Armature (Part No. 27493)\u003c\/strong\u003e is engineered as a \u003cstrong\u003eHitachi-type generic replacement\u003c\/strong\u003e. It is dimensionally matched to Hitachi circular saw motor specifications, including shaft diameter, core length, and commutator positioning. We recommend cross-referencing your existing armature's part number or model with our team to confirm fitment before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow does the IDEAL HQ Series compare to an original OEM armature?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIDEAL HQ Series armature\u003c\/strong\u003e is designed to meet or exceed OEM performance standards. Key differentiators include \u003cstrong\u003e100% high-purity copper windings\u003c\/strong\u003e (vs. lower-grade alloys sometimes found in budget replacements), a \u003cstrong\u003eprecision multi-segment commutator\u003c\/strong\u003e, and \u003cstrong\u003eresin-coated, laced windings\u003c\/strong\u003e for superior structural integrity. In many cases, the HQ Series offers greater durability than the original part due to its reinforced construction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs this a genuine IDEAL product or a third-party generic?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis is a \u003cstrong\u003egenuine IDEAL brand armature\u003c\/strong\u003e from the HQ Series, manufactured under IDEAL's quality control standards. It is classified as a \u003cstrong\u003egeneric replacement\u003c\/strong\u003e in the sense that it is designed to fit Hitachi-type circular saws without being an OEM Hitachi part — offering a cost-effective, high-quality alternative for repairs and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Section 2: Product-Specific and Usage Queries --\u003e\n\u003ch2\u003eProduct-Specific and Usage Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat is an armature and why does it need to be replaced?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eAn \u003cstrong\u003earmature\u003c\/strong\u003e is the rotating core of an electric motor, responsible for \u003cstrong\u003econverting electrical energy into mechanical energy\u003c\/strong\u003e to drive the tool's shaft. It consists of a \u003cstrong\u003emagnetic core, copper windings, and a commutator\u003c\/strong\u003e. Over time, heavy use causes the windings to overheat, the commutator to wear, or the insulation to break down — leading to reduced power, excessive sparking, or complete motor failure. Replacing the armature restores full performance at a fraction of the cost of a new tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhy are 100% copper windings important in an armature?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eCopper is the industry standard\u003c\/strong\u003e for motor windings due to its superior \u003cstrong\u003eelectrical conductivity and heat dissipation\u003c\/strong\u003e properties. Armatures wound with lower-grade materials generate more resistance, which translates to excess heat, energy loss, and faster degradation. The \u003cstrong\u003e100% high-purity copper windings\u003c\/strong\u003e in the HQ Series ensure maximum power transfer efficiency, cooler operating temperatures, and a significantly longer service life — especially critical in demanding circular saw applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eCan I install this armature myself, or do I need a professional?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eArmature replacement requires \u003cstrong\u003edisassembly of the power tool motor housing\u003c\/strong\u003e and basic knowledge of electric motor components. While experienced DIY users and hobbyists can perform the replacement with the right tools, it is \u003cstrong\u003estrongly recommended to have the installation carried out by a qualified power tool repair technician\u003c\/strong\u003e. Improper installation can damage the new armature, the carbon brushes, or the field coil, and may create safety hazards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Section 3: Problem\/Solution-Oriented Queries --\u003e\n\u003ch2\u003eProblem\/Solution-Oriented Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy circular saw is producing excessive sparks — will replacing the armature fix this?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcessive sparking\u003c\/strong\u003e is one of the most common symptoms of a worn or damaged armature, typically caused by a deteriorated commutator surface or damaged windings. The \u003cstrong\u003eIDEAL HQ Series [C7] armature\u003c\/strong\u003e features a \u003cstrong\u003eprecision multi-segment copper commutator\u003c\/strong\u003e designed to minimize arcing and ensure smooth current transfer from the carbon brushes. Replacing a faulty armature with this unit will, in most cases, \u003cstrong\u003eresolve excessive sparking\u003c\/strong\u003e — provided the carbon brushes and field coil are also in good condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy circular saw has lost power and runs slowly — could the armature be the cause?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes — \u003cstrong\u003eloss of power and reduced RPM\u003c\/strong\u003e are classic indicators of armature failure. When the copper windings degrade or develop short circuits due to heat damage or insulation breakdown, the motor cannot generate its rated torque. Installing a new \u003cstrong\u003eIDEAL HQ Series [C7] armature\u003c\/strong\u003e with \u003cstrong\u003e100% copper windings and a reinforced resin-coated structure\u003c\/strong\u003e restores the motor's ability to deliver full, consistent power output, bringing your circular saw back to its original cutting performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow can I extend the life of my new armature after installation?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eTo maximize the service life of your \u003cstrong\u003eIDEAL HQ Series armature\u003c\/strong\u003e, follow these best practices: \u003cstrong\u003ereplace carbon brushes\u003c\/strong\u003e at the same time as the armature to ensure even wear from the start; \u003cstrong\u003eavoid overloading the saw\u003c\/strong\u003e by using the correct blade for the material being cut; allow the tool to \u003cstrong\u003ecool down between extended cutting sessions\u003c\/strong\u003e; keep the motor vents clear of dust and debris; and schedule \u003cstrong\u003eperiodic inspections\u003c\/strong\u003e of the commutator surface and brush condition. Proper maintenance, as the HQ Series is designed to support, will significantly extend service intervals and protect your investment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Ideal Power Tools","offers":[{"title":"Default Title","offer_id":46346331717847,"sku":"27493","price":27.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/1962\/5687\/files\/MediumARMATUREProductIMG_8652b55d-06d9-4cd7-91be-0637423c672f.jpg?v=1756547351","url":"https:\/\/www.idealpowertools.com\/products\/ideal-armature-hq-series-c7-circular-saw-spare-part-generic-hitachi-type-27493","provider":"Ideal Power Tools","version":"1.0","type":"link"}