{"id":3775,"date":"2026-09-29T05:43:56","date_gmt":"2026-09-29T05:43:56","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3775"},"modified":"2026-10-09T08:20:31","modified_gmt":"2026-10-09T08:20:31","slug":"autool-hts678-best-walnut-sand-blaster","status":"publish","type":"product","link":"https:\/\/autoboss.com\/de\/product\/autool-hts678-best-walnut-sand-blaster\/","title":{"rendered":"AUTOOL HTS678 Walnut Blasting Machine with Vacuum Recovery &#038; 23 Intake Adapters"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Walnut Blasting for Intake Ports and Valve Backs, with Recovery Running at the Same Time<\/h3>\n<p class=\"abd-lead\">The AUTOOL HTS678 blasts walnut-shell media into one intake port at a time while vacuum recovery pulls the spent media and loosened carbon back through dust and HEPA filters. Pressure is set with a regulator knob and gauge. An external air compressor is required and not included.<\/p>\n<ul class=\"abd-facts\">\n<li>23 Intake Adapters<\/li>\n<li>Standard \/ Expert Modes<\/li>\n<li>Knob + Gauge Pressure Control<\/li>\n<li>HEPA Filtration<\/li>\n<li>1500 W<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Key Features<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>Spray and Recovery Together<\/h5>\n<p>Walnut media is blasted and recovered by vacuum at the same time, reducing scattered media and manual cleanup.<\/p>\n<\/li>\n<li>\n<h5>Adjustable Pressure<\/h5>\n<p>A regulating knob and pressure gauge let you watch and adjust blasting pressure for each intake cleaning task.<\/p>\n<\/li>\n<li>\n<h5>Standard and Expert Modes<\/h5>\n<p>Choose the mode that suits your experience and the job; only one mode is used at a time.<\/p>\n<\/li>\n<li>\n<h5>Dust Filter Plus HEPA<\/h5>\n<p>The filter cartridge and mesh screen separate walnut media from carbon residue; under normal conditions the media can be reused 5\u201310 times.<\/p>\n<\/li>\n<li>\n<h5>Adapter Set for Many Port Shapes<\/h5>\n<p>The adapters cover multiple intake-port shapes but are not universal for every engine; match and seal the adapter to the target port.<\/p>\n<\/li>\n<li>\n<h5>Workshop Mobility<\/h5>\n<p>A three-section telescoping handle, 360\u00b0 swivel casters and a storage box keep the machine and its accessories together.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Model Comparison<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-compare\">\n<thead>\n<tr>\n<th scope=\"col\"><\/th>\n<th scope=\"col\">HTS518<\/th>\n<th scope=\"col\" class=\"is-current\">HTS678<\/th>\n<th scope=\"col\">HTS728<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Rated power<\/th>\n<td>1400 W<\/td>\n<td class=\"is-current\">1500 W<\/td>\n<td>1400 W<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Main unit capacity<\/th>\n<td>30 L<\/td>\n<td class=\"is-current\">10 L<\/td>\n<td>10 L<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Adapter types<\/th>\n<td>23<\/td>\n<td class=\"is-current\">23<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Pressure gauge and regulation knob<\/th>\n<td>No<\/td>\n<td class=\"is-current\">Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">HEPA filter<\/th>\n<td>No<\/td>\n<td class=\"is-current\">Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Modes<\/th>\n<td>High\/Low; Low-Speed<\/td>\n<td class=\"is-current\">Standard; Expert<\/td>\n<td>Recovery; Filling<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Combustion-chamber cleaning<\/th>\n<td>No<\/td>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Walnut media size<\/th>\n<td>0.6\u20131.2 mm<\/td>\n<td class=\"is-current\">0.6\u20131.2 mm<\/td>\n<td>0.4\u20130.6 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-box\">\n<h4>What&#8217;s in the Box<\/h4>\n<ul class=\"abd-box\">\n<li>HTS678 walnut blasting machine<\/li>\n<li>Intake adapter set (23 adapters)<\/li>\n<li>Walnut shell blasting gun<\/li>\n<li>Recovery hose and black bends<\/li>\n<li>Safety goggles<\/li>\n<li>Walnut media, depending on the selected package option<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/fb74be406500432744321fd9.webp\" alt=\"AUTOOL HTS678 with intake adapters, safety goggles, blasting gun, recovery hose, bends and walnut media bags\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>Walnut media is included only with some package options; the air compressor is not included.<\/figcaption><\/figure>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Prepare the machine<\/b><span>Inspect the unit and accessories, then connect the recovery hose and secure the clamp.<\/span><\/li>\n<li><b>Fit the adapter<\/b><span>Choose the adapter that matches the intake-port shape and confirm it seals.<\/span><\/li>\n<li><b>Check the filter and load media<\/b><span>Make sure the filter cartridge and lower screen are seated, then add 3\u20135 kg of dry walnut media.<\/span><\/li>\n<li><b>Prepare the port<\/b><span>Close the target intake valve and isolate the other intake openings per the vehicle procedure.<\/span><\/li>\n<li><b>Connect air and power<\/b><span>Connect dry, filtered compressed air and AC power, then select one operating mode.<\/span><\/li>\n<li><b>Blast and recover<\/b><span>Start at a conservative setting, adjust pressure gradually on the gauge and keep recovery active.<\/span><\/li>\n<li><b>Clear and check<\/b><span>Vacuum out remaining media, inspect for residue, reassemble, then run leak checks, a diagnostic scan and a functional check.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Installation, operation and maintenance: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/84bec7645b25c0b781d024c6.pdf\" target=\"_blank\" rel=\"noopener\">HTS678 user manual (PDF)<\/a>.<\/p>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-notes\">\n<h4>Good to Know<\/h4>\n<div class=\"abd-notes\">\n<div class=\"abd-note-group is-caution\">\n<h5><span class=\"abd-tag\">Caution<\/span><\/h5>\n<ul>\n<li>An external air compressor is required and not included; it must also supply enough continuous airflow.<\/li>\n<li>Designed for intake pipes and the backs of intake valves only, not injectors, throttle valves, cylinders or combustion chambers.<\/li>\n<li>Blast only with the target intake valve fully closed, and remove all visible media before starting the engine; do not rely on it burning away.<\/li>\n<li>Walnut dust can trigger allergies. Wear eye and respiratory protection, ventilate the area and follow the media supplier&#8217;s SDS.<\/li>\n<\/ul>\n<\/div>\n<div class=\"abd-note-group is-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Use dry, filtered air; moisture can make the media clump or feed unevenly, so a dryer or water separator is recommended.<\/li>\n<li>Replace the media if it becomes contaminated or clumped, or cleaning performance drops.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Controlled Blasting Setup:<\/strong> A pressure gauge, regulating knob, and Standard \/ Expert modes help operators monitor and adjust the blasting setup for different cleaning tasks.<\/li>\n<li><strong>23-Adapter Port Coverage:<\/strong> A 23-adapter set supports many intake-port shapes and workshop cleaning setups for broader hardware coverage.<\/li>\n<li><strong>HEPA-Filtered Recovery:<\/strong> Simultaneous spray-and-vacuum recovery with dust and HEPA filtration helps manage walnut media, carbon residue, and fine particulate during cleaning.<\/li>\n<li><strong>Mobile Workshop System:<\/strong> Built-in storage, a telescoping handle, and 360\u00b0 casters keep accessories with the machine and make it easier to move between jobs.<\/li>\n<\/ul>","protected":false},"featured_media":12662,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[62,73],"product_tag":[129,173,174,175,177],"class_list":["post-3775","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-best-selling-products","product_cat-engine-carbon-cleaning-equipment","product_tag-autool","product_tag-sandblaster","product_tag-walnut-blaster-for-sale","product_tag-walnut-blasting-machine","product_tag-walnut-shell-sand-blaster","first","instock","sale","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product\/3775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/comments?post=3775"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media\/12662"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media?parent=3775"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_brand?post=3775"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_cat?post=3775"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_tag?post=3775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}