{"id":10356,"date":"2024-02-18T15:29:48","date_gmt":"2024-02-18T07:29:48","guid":{"rendered":"https:\/\/seotest.qilumachinery.com\/?p=10356"},"modified":"2024-02-18T15:30:01","modified_gmt":"2024-02-18T07:30:01","slug":"common-8-ton-excavator-faults-and-comprehensive-repair-guide","status":"publish","type":"post","link":"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/","title":{"rendered":"\u0420\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0435 \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043d\u043e\u0441\u0442\u0438 8-\u0442\u043e\u043d\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430 \u0438 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0435 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0440\u0435\u043c\u043e\u043d\u0442\u0443"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e\u0441\u044c\u043c\u0438\u0442\u043e\u043d\u043d\u044b\u0435 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u044b \u2014 \u044d\u0442\u043e \u043c\u0430\u0448\u0438\u043d\u044b \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0447\u0430\u0441\u0442\u043e \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u043c\u043d\u043e\u0433\u0438\u0445 \u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430\u0445. \u041e\u043d\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u0445\u043e\u0440\u043e\u0448\u0438\u0439 \u0431\u0430\u043b\u0430\u043d\u0441 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438, \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0438 \u043c\u0430\u043d\u0435\u0432\u0440\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u044b\u0442\u044c\u0435 \u0442\u0440\u0430\u043d\u0448\u0435\u0439, \u043f\u043e\u0433\u0440\u0443\u0437\u043a\u0435 \u0433\u0440\u0443\u0437\u043e\u0432\u0438\u043a\u043e\u0432, \u0441\u043d\u043e\u0441\u0435 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0437\u0435\u043c\u043b\u044f\u043d\u044b\u0445 \u0440\u0430\u0431\u043e\u0442. \u041e\u0434\u043d\u0430\u043a\u043e, \u043a\u0430\u043a \u0438 \u043b\u044e\u0431\u0430\u044f \u0442\u044f\u0436\u0435\u043b\u0430\u044f \u0442\u0435\u0445\u043d\u0438\u043a\u0430, 8-\u0442\u043e\u043d\u043d\u044b\u0435 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u044b \u043c\u043e\u0433\u0443\u0442 \u0432\u044b\u0445\u043e\u0434\u0438\u0442\u044c \u0438\u0437 \u0441\u0442\u0440\u043e\u044f \u0438 \u0441\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u0442\u044c \u0440\u0435\u043c\u043e\u043d\u0442\u0430. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 8-\u0442\u043e\u043d\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430, \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0438\u0445 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u041f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0430\u0442\u044c<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #51a2c4;color:#51a2c4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #51a2c4;color:#51a2c4\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Introduction\" >\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Frequent_Engine_and_Hydraulic_Issues\" >Frequent Engine and Hydraulic Issues<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Overheating_Engine\" >Overheating Engine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Low_Engine_Power\" >Low Engine Power<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Hydraulic_Pump_Leakage\" >Hydraulic Pump Leakage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#SlowJerky_Boom_or_Arm_Movement\" >Slow\/Jerky Boom or Arm Movement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Electrical_Gremlins_and_Annoying_Sensor_Faults\" >Electrical Gremlins and Annoying Sensor Faults<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Machine_Fails_to_Start\" >Machine Fails to Start<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Display_Panel_and_Lights_Nonfunctional\" >Display Panel and Lights Nonfunctional<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Sensors_Give_False_Readings\" >Sensors Give False Readings<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Common_Drive_Train_Problems\" >Common Drive Train Problems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Metal-on-Metal_Squeaking_from_Final_Drives\" >Metal-on-Metal Squeaking from Final Drives<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Immobilized_or_Slow_Track_Movement\" >Immobilized or Slow Track Movement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Oil_Leaking_from_Final_Drives_or_Track_Rollers\" >Oil Leaking from Final Drives or Track Rollers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Structural_Damage_and_General_Wear_and_Tear\" >Structural Damage and General Wear and Tear<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Cracked_Boom_or_Arm_Welds\" >Cracked Boom or Arm Welds<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Excessive_Play_in_Boom_and_Arm_Pivots\" >Excessive Play in Boom and Arm Pivots<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Damaged_Cab_Glass_with_Visibility_Issues\" >Damaged Cab Glass with Visibility Issues<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#Conclusion%EF%BC%9A8_Ton_Excavator\" >Conclusion\uff1a8 Ton Excavator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/qilumachinery.com\/ru\/common-8-ton-excavator-faults-and-comprehensive-repair-guide\/#FAQ\" >\u0412\u043e\u043f\u0440\u043e\u0441\u044b-\u041e\u0442\u0432\u0435\u0442\u044b<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequent_Engine_and_Hydraulic_Issues\"><\/span><a href=\"https:\/\/seotest.qilumachinery.com\/product-category\/excavator-supplier\/\">Frequent Engine and Hydraulic Issues<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/seotest.qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263.jpg\" alt=\"8 Ton Excavator\" class=\"wp-image-7809\" title=\"\" srcset=\"https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263.jpg 500w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263-300x300.jpg 300w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263-100x100.jpg 100w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263-150x150.jpg 150w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/acbfd798617b790b4a05ad325456263-12x12.jpg 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The engine and hydraulic systems are the heart of an 8 ton excavator. These complex components have many parts that wear out and can fail over years of use. Here are some of the most common engine and hydraulic faults on 8-ton excavators and their recommended repair procedures:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overheating_Engine\"><\/span>Overheating Engine<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Low coolant\/antifreeze, faulty water pump, clogged radiator fins, failed thermostat<\/li>\n\n\n\n<li>Solutions: Top off coolant, test water pump operation, pressure clean radiator fins, replace thermostat<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Low_Engine_Power\"><\/span>Low Engine Power<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Clogged air filter, contaminated\/old fuel, faulty injectors, compression issues<\/li>\n\n\n\n<li>Solutions: Replace air filter, drain fuel system and refill with fresh fuel, test\/replace fuel injectors, test engine compression<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hydraulic_Pump_Leakage\"><\/span>Hydraulic Pump Leakage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Worn pump shaft seals, damaged pump housing<\/li>\n\n\n\n<li>Solutions: Replace shaft seals, rebuild or replace hydraulic pump<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SlowJerky_Boom_or_Arm_Movement\"><\/span>Slow\/Jerky Boom or Arm Movement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Low hydraulic fluid, restricted hoses, damaged control valves<\/li>\n\n\n\n<li>Solutions: Top off hydraulic tank, inspect hoses and fittings for blockages, test and replace damaged control valves<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Table 1.<\/strong> Common engine and hydraulic faults and solutions<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Fault<\/th><th>Possible Causes<\/th><th>\u0420\u0435\u0448\u0435\u043d\u0438\u044f<\/th><\/tr><\/thead><tbody><tr><td>Overheating Engine<\/td><td>Low coolant\/antifreeze, faulty water pump, clogged radiator fins, failed thermostat<\/td><td>Top off coolant, test water pump operation, pressure clean radiator fins, replace thermostat<\/td><\/tr><tr><td>Low Engine Power<\/td><td>Clogged air filter, contaminated\/old fuel, faulty injectors, compression issues<\/td><td>Replace air filter, drain fuel system and refill with fresh fuel, test\/replace fuel injectors, test engine compression<\/td><\/tr><tr><td>Hydraulic Pump Leakage<\/td><td>Worn pump shaft seals, damaged pump housing<\/td><td>Replace shaft seals, rebuild or replace hydraulic pump<\/td><\/tr><tr><td>Slow\/Jerky Boom or Arm Movement<\/td><td>Low hydraulic fluid, restricted hoses, damaged control valves<\/td><td>Top off hydraulic tank, inspect hoses and fittings for blockages, test and replace damaged control valves<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electrical_Gremlins_and_Annoying_Sensor_Faults\"><\/span><a href=\"https:\/\/seotest.qilumachinery.com\/product-category\/excavator-supplier\/\">Electrical Gremlins and Annoying Sensor Faults<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical issues and faulty sensors are common and frustrating problems on excavators. Corroded connections, damaged wires, and failed sensors can cause intermittent functionality or even leave the machine completely inoperable. Focus on the following key problems and tests when troubleshooting 8 ton excavator electrical faults:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Machine_Fails_to_Start\"><\/span>Machine Fails to Start<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Flat or damaged battery, starter motor failure, faulty ignition switch<\/li>\n\n\n\n<li>Solutions: Recharge\/replace battery, test starter motor amp draw, bypass ignition switch to test<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Display_Panel_and_Lights_Nonfunctional\"><\/span>Display Panel and Lights Nonfunctional<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Blown fuse, damaged wiring harness, failed switch or relay<\/li>\n\n\n\n<li>Solutions: Check fuses, inspect wiring for breaks and corrosion, use multimeter to test switches and relays<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sensors_Give_False_Readings\"><\/span>Sensors Give False Readings<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Loose sensor wiring, failed sensor, software calibration issue<\/li>\n\n\n\n<li>Solutions: Inspect sensor plugs and wires, test sensor resistance\/output, recalibrate software<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Table 2.<\/strong> Key electrical and sensor issues and troubleshooting steps<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Fault<\/th><th>Possible Causes<\/th><th>\u0420\u0435\u0448\u0435\u043d\u0438\u044f<\/th><\/tr><\/thead><tbody><tr><td>Machine Fails to Start<\/td><td>Flat or damaged battery, starter motor failure, faulty ignition switch<\/td><td>Recharge\/replace battery, test starter motor amp draw, bypass ignition switch to test<\/td><\/tr><tr><td>Display Panel and Lights Nonfunctional<\/td><td>Blown fuse, damaged wiring harness, failed switch or relay<\/td><td>Check fuses, inspect wiring for breaks and corrosion, use multimeter to test switches and relays<\/td><\/tr><tr><td>Sensors Give False Readings<\/td><td>Loose sensor wiring, failed sensor, software calibration issue<\/td><td>Inspect sensor plugs and wires, test sensor resistance\/output, recalibrate software<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Drive_Train_Problems\"><\/span>Common Drive Train Problems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Issues with the drivetrain that includes the tracks, final drives, rollers, idlers, and steering clutches can severely reduce mobility. Loose or severely worn parts here lead to further damage if not promptly repaired. Be attentive to these key drive system faults:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Metal-on-Metal_Squeaking_from_Final_Drives\"><\/span>Metal-on-Metal Squeaking from Final Drives<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Low oil level, damaged gears<\/li>\n\n\n\n<li>Solutions: Top off final drive oil, inspect and replace damaged gears<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Immobilized_or_Slow_Track_Movement\"><\/span>Immobilized or Slow Track Movement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">*Causes: Hydraulic failure, faulty track motor, loose\/broken traction components<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solutions: Inspect hydraulic track components, test track motor, tighten\/replace broken track parts<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oil_Leaking_from_Final_Drives_or_Track_Rollers\"><\/span>Oil Leaking from Final Drives or Track Rollers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Damaged seals, cracked housing, loose fittings<\/li>\n\n\n\n<li>Solutions: Replace seals, rebuild\/replace leaky component, tighten fittings<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Table 3.<\/strong> Common drivetrain faults and troubleshooting tips<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Fault<\/th><th>Possible Causes<\/th><th>\u0420\u0435\u0448\u0435\u043d\u0438\u044f<\/th><\/tr><\/thead><tbody><tr><td>Metal-on-Metal Squeaking from Final Drives<\/td><td>Low oil level, damaged gears<\/td><td>Top off final drive oil, inspect and replace damaged gears<\/td><\/tr><tr><td>Immobilized or Slow Track Movement<\/td><td>Hydraulic failure, faulty track motor, loose\/broken traction components<\/td><td>Inspect hydraulic track components, test track motor, tighten\/replace broken track parts<\/td><\/tr><tr><td>Oil Leaking from Final Drives or Track Rollers<\/td><td>Damaged seals, cracked housing, loose fittings<\/td><td>Replace seals, rebuild\/replace leaky component, tighten fittings<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Structural_Damage_and_General_Wear_and_Tear\"><\/span><a href=\"https:\/\/seotest.qilumachinery.com\/product-category\/excavator-supplier\/\">Structural Damage and General Wear and Tear<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/seotest.qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922.jpg\" alt=\"\u042d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u043d\u044b\u0435 \u0433\u0440\u0435\u0439\u0444\u0435\u0440\u044b\" class=\"wp-image-7810\" title=\"\" srcset=\"https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922.jpg 500w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922-300x300.jpg 300w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922-100x100.jpg 100w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922-150x150.jpg 150w, https:\/\/qilumachinery.com\/wp-content\/uploads\/2023\/02\/bbc63b925e530772b7393b79be62922-12x12.jpg 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The structure of excavators takes constant abuse from contact with hard surfaces, heavy loads, and debris. Inspection and preventative repairs of cracks and damage are critical. Likewise, worn pivot bushings require rebuilding or replacement before further deflection damages fasteners, cylinders, and piping.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cracked_Boom_or_Arm_Welds\"><\/span>Cracked Boom or Arm Welds<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Fatigue cracks from repeated loading\/impacts<\/li>\n\n\n\n<li>Solutions: Gouge and re-weld cracks, reinforce areas prone to cracks<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Excessive_Play_in_Boom_and_Arm_Pivots\"><\/span>Excessive Play in Boom and Arm Pivots<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Worn bushings<\/li>\n\n\n\n<li>Solutions: Measure bushing clearance and rebuild\/replace worn bushings<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Damaged_Cab_Glass_with_Visibility_Issues\"><\/span>Damaged Cab Glass with Visibility Issues<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Causes: Debris impacts from material handling operations<\/li>\n\n\n\n<li>Solutions: Replace cracked or damaged glass<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Table 4.<\/strong> Structural faults and repairs<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Fault<\/th><th>Possible Causes<\/th><th>\u0420\u0435\u0448\u0435\u043d\u0438\u044f<\/th><\/tr><\/thead><tbody><tr><td>Cracked Boom or Arm Welds<\/td><td>Fatigue cracks from repeated loading\/impacts<\/td><td>Gouge and re-weld cracks, reinforce areas prone to cracks<\/td><\/tr><tr><td>Excessive Play in Boom and Arm Pivots<\/td><td>Worn bushings<\/td><td>Measure bushing clearance and rebuild\/replace worn bushings<\/td><\/tr><tr><td>Damaged Cab Glass with Visibility Issues<\/td><td>Debris impacts from material handling operations<\/td><td>Replace cracked or damaged glass<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion%EF%BC%9A8_Ton_Excavator\"><\/span><a href=\"https:\/\/seotest.qilumachinery.com\/product-category\/excavator-supplier\/\">Conclusion\uff1a8 Ton Excavator<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Catching problems early and performing preventative maintenance is crucial for maximizing uptime and avoiding major repairs down the road. Use the fault and repair overviews provided on engines, hydraulics, electrical systems, drivetrains, and structures as a guide when issues emerge on your 8-ton excavator. Reach out to qualified technicians if repairs are beyond your capability. Investing in routine maintenance inspections and replacing worn parts before failure will also reduce headaches by spotting issues before they snowball into bigger problems. Your excavator&#8217;s longevity and performance depend heavily on staying ahead of common faults.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u0412\u043e\u043f\u0440\u043e\u0441\u044b-\u041e\u0442\u0432\u0435\u0442\u044b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What are the most common causes of leaks on 8-ton <a href=\"https:\/\/en.wikipedia.org\/wiki\/Excavator\" target=\"_blank\" rel=\"noopener\">\u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u044b<\/a>?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: The hydraulic system is the most common source of leaks. Worn hydraulic pump seals, damaged hydraulic hoses\/fittings, and leaks around hydraulic cylinders are typical causes. The engine can also leak from seals and gaskets as well as potentially the radiator and fuel lines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Why might my excavator tracks feel loose or make loud clicking noises sometimes?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: This typically indicates worn or damaged pins, bushings, or bearings in the undercarriage components like rollers, idlers, and sprockets. Loose or broken traction parts can also cause noises and feel loose. Thorough inspection and replacement of damaged hardware is needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What should I do if my excavator won&#8217;t swivel properly?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Restricted rotation is usually caused by a fault in the swing drive system. Start by checking for issues like low oil level, damaged swing gear teeth, seized bearings, or problems with the swing motor. The rotation bearing grease and bolts should also be inspected for adequate lubrication and torque.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What diagnostic tools are useful when troubleshooting excavators?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Essential diagnostic tools include multimeters for testing electrical circuits, pressure gauges for the hydraulic systems, engine computer scanners, grease guns for lubrication analysis, infrared thermometers for identifying overheating components, and strobe lights to inspect rotating parts. Having service manuals and schematics is also critical.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0412\u043e\u0441\u044c\u043c\u0438\u0442\u043e\u043d\u043d\u044b\u0435 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u044b \u2014 \u044d\u0442\u043e \u043c\u0430\u0448\u0438\u043d\u044b \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e \u0440\u0430\u0437\u043c\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0447\u0430\u0441\u0442\u043e \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u043c\u043d\u043e\u0433\u0438\u0445 \u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430\u0445. \u041e\u043d\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u0445\u043e\u0440\u043e\u0448\u0438\u0439 \u0431\u0430\u043b\u0430\u043d\u0441 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438, \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0438 \u043c\u0430\u043d\u0435\u0432\u0440\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u044b\u0442\u044c\u0435 \u0442\u0440\u0430\u043d\u0448\u0435\u0439, \u043f\u043e\u0433\u0440\u0443\u0437\u043a\u0435 \u0433\u0440\u0443\u0437\u043e\u0432\u0438\u043a\u043e\u0432, \u0441\u043d\u043e\u0441\u0435 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0437\u0435\u043c\u043b\u044f\u043d\u044b\u0445 \u0440\u0430\u0431\u043e\u0442. \u041e\u0434\u043d\u0430\u043a\u043e, \u043a\u0430\u043a \u0438 \u043b\u044e\u0431\u0430\u044f \u0442\u044f\u0436\u0435\u043b\u0430\u044f \u0442\u0435\u0445\u043d\u0438\u043a\u0430, 8-\u0442\u043e\u043d\u043d\u044b\u0435 \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u044b \u043c\u043e\u0433\u0443\u0442 \u0432\u044b\u0445\u043e\u0434\u0438\u0442\u044c \u0438\u0437 \u0441\u0442\u0440\u043e\u044f \u0438 \u0441\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u0442\u044c \u0440\u0435\u043c\u043e\u043d\u0442\u0430. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 8-\u0442\u043e\u043d\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u043a\u0430\u0432\u0430\u0442\u043e\u0440\u0430, \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0438\u0445 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-10356","post","type-post","status-publish","format-standard","hentry","category-excavator"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/posts\/10356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/comments?post=10356"}],"version-history":[{"count":0,"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/posts\/10356\/revisions"}],"wp:attachment":[{"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/media?parent=10356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/categories?post=10356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qilumachinery.com\/ru\/wp-json\/wp\/v2\/tags?post=10356"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}