{"product_id":"id-hq-series-armature-hs7010-9-circular-saw-spare-part-hitachi-type-30370","title":"ID HQ SERIES ARMATURE [HS7010] [9\"] CIRCULAR SAW SPARE PART [Hitachi Type] - 30370","description":"\u003ch2\u003eRestore Full Cutting Power — Genuine HQ Series Engineering in Every Winding\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eID HQ Series Armature for the HS7010 9-inch Circular Saw\u003c\/strong\u003e is a \u003cstrong\u003epremium-grade replacement spare part\u003c\/strong\u003e engineered to restore full performance to your power tool. Designed as a \u003cstrong\u003eHitachi-type compatible armature\u003c\/strong\u003e (Part No. 30370), this component converts electrical energy into mechanical rotational force through its precision-wound \u003cstrong\u003emagnetic core, copper winding, and commutator assembly\u003c\/strong\u003e, delivering the reliable shaft rotation your circular saw depends on for demanding cutting tasks.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 15px 10px 0; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 0 10px 15px; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 15px 10px 0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eHitachi HS7010 9\" Circular Saw compatible design (Part No. 30370)\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered magnetic core for stable, high-torque rotation\u003c\/li\u003e\n\u003cli\u003eHigh-grade copper winding for efficient electrical-to-mechanical energy transfer\u003c\/li\u003e\n\u003cli\u003eDurable commutator assembly for consistent brush contact and reduced arcing\u003c\/li\u003e\n\u003cli\u003eDrop-in replacement fit for fast, straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 0 10px 15px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eRepairing a burnt-out or seized HS7010 circular saw motor\u003c\/li\u003e\n\u003cli\u003eRestoring full RPM and cutting power after armature wear\u003c\/li\u003e\n\u003cli\u003eWorkshop and on-site power tool maintenance\u003c\/li\u003e\n\u003cli\u003eCost-effective tool repair instead of full tool replacement\u003c\/li\u003e\n\u003cli\u003eProfessional electricians, carpenters, and power tool technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi HS7010 Direct Compatibility (Part No. 30370):\u003c\/strong\u003e This armature is purpose-built as a \u003cstrong\u003eHitachi-type replacement\u003c\/strong\u003e for the HS7010 9-inch circular saw, ensuring a precise dimensional fit with the motor housing, brush holders, and bearing seats — no modification or adapting required during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Magnetic Core Construction:\u003c\/strong\u003e The \u003cstrong\u003elaminated magnetic core\u003c\/strong\u003e is stacked from high-permeability silicon steel laminations to minimise eddy current losses, reduce heat build-up during sustained cutting, and maintain strong, consistent magnetic flux that drives reliable shaft rotation under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Copper Winding:\u003c\/strong\u003e Wound with \u003cstrong\u003ehigh-conductivity copper wire\u003c\/strong\u003e to exacting specifications, the armature coils deliver efficient current flow and maximum torque output, ensuring your HS7010 saw reaches and sustains its rated no-load speed for clean, controlled cuts through hardwood, softwood, and sheet materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Commutator Assembly:\u003c\/strong\u003e The \u003cstrong\u003eprecision-machined commutator\u003c\/strong\u003e features uniform copper segments with tight concentricity tolerances, promoting smooth carbon brush contact, reducing electrical arcing, and extending the service life of both the armature and the brushes for longer intervals between maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHQ Series Durability Standards:\u003c\/strong\u003e Manufactured under the \u003cstrong\u003eID HQ Series quality benchmark\u003c\/strong\u003e, this armature undergoes rigorous dimensional and electrical checks to confirm winding resistance, insulation integrity, and balance — so you can trust it to perform at the same standard as the original factory-fitted component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Repair Solution:\u003c\/strong\u003e Replacing only the \u003cstrong\u003efailed armature\u003c\/strong\u003e rather than the entire motor or the complete tool significantly reduces repair costs while giving the HS7010 a second life — a smart choice for workshops, hire fleets, and professional tradespeople who rely on this saw day-to-day.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- CSS Styles for the FAQ Section --\u003e\n\u003cstyle\u003e\n.faq-section-styled {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n  margin-top: 40px;\n}\n.faq-section-styled h2 {\n  font-size: 2em;\n  font-weight: 700;\n  color: #1C2228;\n  border-bottom: 2px solid #F4F4F4;\n  padding-bottom: 15px;\n  margin-bottom: 30px;\n}\n.faq-section-styled details {\n  background-color: #f9f9f9;\n  border: 1px solid #e9e9e9;\n  border-radius: 8px;\n  margin-bottom: 15px;\n  overflow: hidden;\n}\n.faq-section-styled summary {\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  padding: 20px;\n  font-weight: 600;\n  font-size: 1.1em;\n  color: #1C2228;\n  cursor: pointer;\n  list-style: none;\n}\n.faq-section-styled summary::-webkit-details-marker {\n  display: none;\n}\n.faq-section-styled .question-title {\n  display: flex;\n  align-items: center;\n}\n.faq-section-styled .question-title::before {\n  content: '\\25B6';\n  margin-right: 15px;\n  font-size: 0.8em;\n  color: #1C2228;\n}\n.faq-section-styled summary::after {\n  content: '+';\n  font-size: 1.8em;\n  font-weight: 300;\n  color: #1C2228;\n  transition: transform 0.2s ease-in-out;\n}\n.faq-section-styled details[open] summary::after {\n  transform: rotate(45deg);\n}\n.faq-section-styled .faq-answer-content {\n  background-color: #FFFFFF;\n  padding: 20px 20px 20px 55px;\n  border-top: 1px solid #e9e9e9;\n}\n.faq-section-styled .faq-answer-content p {\n  margin: 0;\n  font-size: 1em;\n  line-height: 1.7;\n  color: #2E2E2E;\n  text-align: left;\n}\n.faq-section-styled .faq-answer-content p strong {\n  color: #1C2228;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"faq-section-styled\"\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 HS7010 circular saw?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes. This armature is specifically designed as a \u003cstrong\u003eHitachi-type compatible replacement\u003c\/strong\u003e for the \u003cstrong\u003eHS7010 9-inch circular saw\u003c\/strong\u003e (ID Part No. 30370). It is engineered to match the original dimensional specifications of the motor housing, bearing seats, and brush holders, allowing for a direct drop-in installation without any modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhy should I replace the armature instead of buying a new circular saw?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eReplacing the \u003cstrong\u003earmature alone\u003c\/strong\u003e is significantly more cost-effective than purchasing an entirely new tool. The armature is the most common motor component to fail due to wear, overheating, or electrical faults, and once replaced, the HS7010 typically returns to full factory performance. This approach also reduces waste and is the preferred method for \u003cstrong\u003eprofessional workshops and hire fleets\u003c\/strong\u003e looking to maximise tool longevity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow does the ID HQ Series armature compare to generic alternatives?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eID HQ Series\u003c\/strong\u003e armature is manufactured to stricter dimensional and electrical tolerances than most generic alternatives. Each unit is checked for \u003cstrong\u003ewinding resistance, insulation integrity, and rotational balance\u003c\/strong\u003e, which directly impacts motor efficiency, heat management, and service life. Generic armatures may fit but often use lower-grade copper windings and looser commutator tolerances, leading to faster brush wear and reduced performance over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProduct-Specific and Usage Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat does the armature actually do inside my circular saw?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe armature is the \u003cstrong\u003erotating core of the electric motor\u003c\/strong\u003e. It consists of a laminated magnetic core wound with copper wire coils and fitted with a commutator at one end. When electrical current flows through the winding, it generates a magnetic field that interacts with the stator's permanent magnets, creating the rotational force that spins the \u003cstrong\u003esaw blade shaft\u003c\/strong\u003e. Without a functioning armature, the motor cannot generate torque and the tool will not operate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat are the signs that my HS7010 armature needs replacing?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eCommon indicators of a \u003cstrong\u003efailed or failing armature\u003c\/strong\u003e include: the saw not starting at all, significant loss of cutting power or speed under load, excessive sparking visible from the brush area during operation, a burning smell coming from the motor housing, or the motor humming without the shaft rotating. If carbon brush replacement does not resolve these symptoms, the armature is the likely cause and should be inspected and replaced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eDo I need any special tools to install this armature?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eInstallation typically requires standard hand tools: a set of \u003cstrong\u003escrewdrivers, a bearing puller\u003c\/strong\u003e (to remove the existing bearings from the old armature shaft for transfer, if applicable), and a soft mallet. It is recommended to have the armature installed by a \u003cstrong\u003equalified power tool technician\u003c\/strong\u003e if you are not experienced with motor disassembly, as improper installation can damage the commutator surface or the brush holders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProblem\/Solution-Oriented Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy HS7010 has power but the blade won't spin — can a new armature fix this?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis is one of the most common symptoms of a \u003cstrong\u003eseized or open-circuit armature winding\u003c\/strong\u003e. If the motor receives power (you can hear a faint hum or feel heat from the housing) but the shaft does not rotate, the armature coils may have burnt out or the commutator may be severely worn, preventing current from flowing through the windings. Replacing the armature with this \u003cstrong\u003eHQ Series unit (Part No. 30370)\u003c\/strong\u003e will restore full motor function, provided the stator, brushes, and switch are in working order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy saw is overheating and losing power during cutting — is the armature the cause?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eOverheating combined with power loss under load is often a sign of \u003cstrong\u003eshorted armature windings\u003c\/strong\u003e or degraded insulation between winding layers. When windings short internally, the motor draws excessive current, generates abnormal heat, and loses torque efficiency. A \u003cstrong\u003enew HQ Series armature\u003c\/strong\u003e with fresh, properly insulated copper windings will eliminate this issue and restore the tool's rated performance, assuming the saw is also used within its designed load capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eI replaced the carbon brushes but my HS7010 still sparks excessively — what next?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eIf \u003cstrong\u003enew carbon brushes\u003c\/strong\u003e did not resolve excessive sparking, the commutator surface on the existing armature is very likely the root cause. A worn, grooved, or out-of-round commutator prevents the brushes from making smooth, consistent contact, causing arcing. Replacing the armature with this \u003cstrong\u003ePart No. 30370 HQ Series unit\u003c\/strong\u003e provides a fresh, precision-machined commutator with uniform copper segments, eliminating the arcing and protecting the new brushes from premature wear.\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":49792103219415,"sku":"30370","price":28.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/1962\/5687\/files\/IDHQSERIESARMATURE_HS7010_9INCH_CIRCULARSAWSPAREPART_HitachiType_-30370.jpg?v=1789480465","url":"https:\/\/www.idealpowertools.com\/products\/id-hq-series-armature-hs7010-9-circular-saw-spare-part-hitachi-type-30370","provider":"Ideal Power Tools","version":"1.0","type":"link"}