{"id":54370,"date":"2025-07-06T14:33:59","date_gmt":"2025-07-06T14:33:59","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=54370"},"modified":"2026-04-06T18:04:48","modified_gmt":"2026-04-06T18:04:48","slug":"allen-bradley-1771-a4b","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/","title":{"rendered":"ALLEN BRADLEY 1771-A4B"},"content":{"rendered":"<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>Valve Overview<\/h2>\n<p>NC Servo Technology provides repair and reconditioning for the Allen Bradley 1771-A4B. With in-house tooling and stocked parts, we keep turnaround times short.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Independent Repair Facility<\/h2>\n<p>NC Servo Technology operates independently, so we&#8217;re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.<\/p>\n<\/div>\n<div id=\"wb-faq\" class=\"wordbank-container\">\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-accordion\">\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-0\">Can I request rush service on a repair?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>We can often prioritize urgent jobs. Note it on your request form and we&#8217;ll let you know what&#8217;s possible.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">Will I be contacted if the unit is beyond repair?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>Yes. If the unit can&#8217;t be repaired, we contact you with options before doing anything further.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Should I degrease or rinse the unit first?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>No cleaning required. Our repair process includes disassembly and cleaning of all components.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Do you need photos before I ship the unit?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>We recommend sending pictures, especially if the model number is unclear or there is visible damage.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Can you tell me what caused the failure?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>Repair Process<\/h2>\n<p>Our repair process begins with a full diagnostic evaluation of the circuit board. Technicians trace signals and test individual components to isolate the failure point, from faulty capacitors to failing ICs.<\/p>\n<ul>\n<li>Professional Rework: Failed components are carefully desoldered and replaced by our experienced technicians using modern rework stations.<\/li>\n<li>Static-Safe Environment: All work is performed in an ESD-safe environment to protect sensitive electronic components.<\/li>\n<li>Component-Level Diagnostics: We test individual resistors, capacitors, and ICs to pinpoint the exact source of the problem.<\/li>\n<li>Sourced Components: Replacement parts are sourced from our inventory or reliable suppliers for a quality repair.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Testing and Bench Verification<\/h2>\n<p>The repaired Allen Bradley 1771-A4B is put through power-on tests and load simulations to confirm that all functions are restored and the unit operates reliably. Our functional analysis confirms spec-level operation.<\/p>\n<\/div>\n<div id=\"wb-logistics-support\" class=\"wordbank-container new-dynamic-section\">\n<h2>Turnaround and Shipping<\/h2>\n<p>As a specialist for Allen Bradley 1771-A4B services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.<\/p>\n<\/div>\n<div id=\"wb-inventory\" class=\"wordbank-container new-dynamic-section\">\n<h2>Parts and Inventory<\/h2>\n<p>With over 17,000 electronics in stock, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.<\/p>\n<\/div>\n<div id=\"wb-product-data\" class=\"wordbank-container new-dynamic-section\">\n<h2>Documentation on Request<\/h2>\n<p>For documented insights into your Allen Bradley 1771-A4B, we can provide access to reports and repair records. This transparency offers you record-keeping and aids in long-term maintenance planning.<\/p>\n<\/div>\n<div id=\"wb-tips\" class=\"wordbank-container\">\n<h2>Maintenance Tips<\/h2>\n<ul>\n<li>Ensure proper grounding to prevent static damage to Allen Bradley 1771-A4B components.<\/li>\n<li>Maintain a clean, dust-free operating environment to prevent contamination.<\/li>\n<li>Inspect cooling fans and heat sinks regularly so the Allen Bradley 1771-A4B stays within operating temperature.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Get a Free Evaluation for Your Allen Bradley 1771-A4B<\/h2>\n<p>Request pricing, availability, and turnaround for your Allen Bradley 1771-A4B. NC Servo Technology provides warrantied repair with a 1-year warranty. Contact us to request your repair.<\/p>\n<div class=\"cta-buttons\"><a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/contact-us\/\" class=\"button quote-button\">Request a Quote<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/allen-bradley\/\" class=\"button brand-button\">View All Allen Bradley Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/allen-bradley\/\" class=\"button inventory-button\">Shop Allen Bradley Inventory<\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"disclaimer-section\">\n<p class=\"disclaimer\"><strong>NC Servo Technology<\/strong> is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by Allen Bradley or any original equipment manufacturer (OEM), nor do we claim to be a Allen Bradley service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div id=\"wb-short-description\" class=\"short-description-container\">\n<p>Every hour your Allen Bradley 1771-A4B is offline impacts your bottom line. We offer expedited repair turnaround and exchange units to keep you running.<\/p>\n<\/div>\n","protected":false},"featured_media":57100,"template":"","meta":[],"product_brand":[1070],"product_cat":[1071],"product_tag":[1023],"class_list":{"0":"post-54370","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-allen-bradley","7":"product_cat-allen-bradley","8":"product_tag-electronic","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty<\/title>\n<meta name=\"description\" content=\"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty\" \/>\n<meta property=\"og:description\" content=\"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/\" \/>\n<meta property=\"og:site_name\" content=\"Nc Servo Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NCServo\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-06T18:04:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2025\/11\/Allen-Bradley-Kinetix-6000.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1157\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NcServo\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/\",\"name\":\"Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Allen-Bradley-Kinetix-6000.jpg\",\"datePublished\":\"2025-07-06T14:33:59+00:00\",\"dateModified\":\"2026-04-06T18:04:48+00:00\",\"description\":\"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Allen-Bradley-Kinetix-6000.jpg\",\"contentUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Allen-Bradley-Kinetix-6000.jpg\",\"width\":1536,\"height\":1157},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/allen-bradley-1771-a4b\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inventory\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/inventory\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ALLEN BRADLEY 1771-A4B\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"name\":\"NC Servo Technology\",\"description\":\"We Buy &amp; Repair Servo Valves\",\"publisher\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\",\"name\":\"NC Servo\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"NC Servo\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/NCServo\\\/\",\"https:\\\/\\\/x.com\\\/NcServo\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty","description":"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty","og_description":"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!","og_url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/","og_site_name":"Nc Servo Technology","article_publisher":"https:\/\/www.facebook.com\/NCServo\/","article_modified_time":"2026-04-06T18:04:48+00:00","og_image":[{"width":1536,"height":1157,"url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2025\/11\/Allen-Bradley-Kinetix-6000.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@NcServo","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/","name":"Allen Bradley 1771-A4B Drive Repair \u2014 1-Year Warranty","isPartOf":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/#primaryimage"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/#primaryimage"},"thumbnailUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2025\/11\/Allen-Bradley-Kinetix-6000.jpg","datePublished":"2025-07-06T14:33:59+00:00","dateModified":"2026-04-06T18:04:48+00:00","description":"NC Servo repairs your reliable, tested servo amplifier repair for your Allen Bradley 1771-A4B. Exchange units available to reduce downtime. Contact us!","breadcrumb":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/#primaryimage","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2025\/11\/Allen-Bradley-Kinetix-6000.jpg","contentUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2025\/11\/Allen-Bradley-Kinetix-6000.jpg","width":1536,"height":1157},{"@type":"BreadcrumbList","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/allen-bradley-1771-a4b\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/"},{"@type":"ListItem","position":2,"name":"Inventory","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/inventory\/"},{"@type":"ListItem","position":3,"name":"ALLEN BRADLEY 1771-A4B"}]},{"@type":"WebSite","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","name":"NC Servo Technology","description":"We Buy &amp; Repair Servo Valves","publisher":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ncservo.com\/.wp-toolkit_m\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization","name":"NC Servo","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"NC Servo"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NCServo\/","https:\/\/x.com\/NcServo"]}]}},"_links":{"self":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product\/54370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media\/57100"}],"wp:attachment":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media?parent=54370"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_brand?post=54370"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_cat?post=54370"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_tag?post=54370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}