{"id":630,"date":"2023-10-07T07:40:15","date_gmt":"2023-10-07T07:40:15","guid":{"rendered":"https:\/\/swingbearing.net\/?p=630"},"modified":"2024-06-02T04:45:30","modified_gmt":"2024-06-02T04:45:30","slug":"fault-inspection-of-excavator-without-rotation","status":"publish","type":"post","link":"https:\/\/swingbearing.net\/ja\/fault-inspection-of-excavator-without-rotation\/","title":{"rendered":"\u56de\u8ee2\u3057\u306a\u3044\u30b7\u30e7\u30d9\u30eb\u306e\u6545\u969c\u691c\u67fb"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"fault-of-excavator-without-rotation-it-was-found-that-there-was-no-rotation-movement-while-other-movements-were-normal\">\u30b7\u30e7\u30d9\u30eb\u304c\u56de\u8ee2\u3057\u306a\u3044\u6545\u969c\uff1a\u4ed6\u306e\u52d5\u304d\u306f\u6b63\u5e38\u306a\u306e\u306b\u3001\u56de\u8ee2\u306e\u52d5\u304d\u304c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002<\/h2>\n\n\n\n<p>\u64cd\u4f5c\u30cf\u30f3\u30c9\u30eb\u304c\u56de\u8ee2\u4f4d\u7f6e\u306b\u7f6e\u304b\u308c\u308b\u3068\u3001\u5236\u5fa1\u6cb9\u304c\u5236\u5fa1\u5f01\u306b\u9054\u3057\u3001\u56de\u8ee2\u5f01\u68d2\u3092\u62bc\u3057\u3066\u5f8c\u90e8\u306e\u4f5c\u52d5\u6cb9\u30dd\u30f3\u30d7\u304b\u3089\u4f9b\u7d66\u3055\u308c\u308b\u9ad8\u5727\u6cb9\u3092\u56de\u8ee2\u30e2\u30fc\u30bf\u30fc\u306b\u9001\u308a\u8fbc\u3080\uff1b\u540c\u6642\u306b\u3001\u30aa\u30a4\u30eb\u306e\u30bf\u30f3\u30af\u3078\u306e\u623b\u308a\u3092\u5236\u5fa1\u3059\u308b\u30aa\u30a4\u30eb\u56de\u8def\u304c\u906e\u65ad\u3055\u308c\u3001\u30d6\u30ec\u30fc\u30ad\u89e3\u9664\u30d0\u30eb\u30d6\u306e\u5727\u529b\u304c\u9ad8\u307e\u308a\u3001\u305d\u306e\u30d0\u30eb\u30d6\u30b9\u30c6\u30e0\u3092\u62bc\u3057\u3066\u3001\u5225\u306e\u88dc\u52a9\u5727\u30aa\u30a4\u30eb\u304c\u30d6\u30ec\u30fc\u30ad\u30d4\u30b9\u30c8\u30f3\u306b\u5165\u308a\u3001\u30b9\u30a4\u30f3\u30b0\u30d6\u30ec\u30fc\u30ad\u88c5\u7f6e\u304c\u958b\u304d\u3001\u30b9\u30a4\u30f3\u30b0\u30e2\u30fc\u30bf\u30fc\u304c\u4f5c\u52d5\u3059\u308b\uff1b\u30ed\u30fc\u30bf\u30ea\u30fc\u30e2\u30fc\u30bf\u30fc\u306f\u3001\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u5c0f\u30ae\u30a2\u3092\u901a\u3057\u3066\u52d5\u529b\u3092\u51fa\u529b\u3057\u3001\u56de\u8ee2\u30ae\u30a2\u30ea\u30f3\u30b0\u3068\u565b\u307f\u5408\u3063\u3066\u56de\u8ee2\u904b\u52d5\u3092\u767a\u751f\u3059\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fault-cause-analysis-and-inspection\">\u6545\u969c\u539f\u56e0\u5206\u6790\u3068\u691c\u67fb<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"550\" height=\"400\" src=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/06\/550400.jpg\" alt=\"\u56de\u8ee2\u3057\u306a\u3044\u30b7\u30e7\u30d9\u30eb\" class=\"wp-image-3750\" srcset=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/06\/550400.jpg 550w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/06\/550400-300x218.jpg 300w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/06\/550400-18x12.jpg 18w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><figcaption class=\"wp-element-caption\">\u56de\u8ee2\u3057\u306a\u3044\u30b7\u30e7\u30d9\u30eb<\/figcaption><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<p>\u56de\u8ee2\u6a5f\u69cb\u306e\u52d5\u4f5c\u539f\u7406\u304b\u3089\u3001\u6545\u969c\u306e\u539f\u56e0\u306f\u3001\u4e3b\u4f5c\u52d5\u6cb9\u56de\u8def\u3001\u6a5f\u68b0\u7684\u4f1d\u9054\u3001\u5236\u5fa1\u6cb9\u56de\u8def\u306e3\u3064\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-inspection-of-the-main-working-oil-circuit\">(1) \u4e3b\u8981\u4f5c\u52d5\u6cb9\u56de\u8def\u306e\u70b9\u691c<\/h3>\n\n\n\n<p>\u65cb\u56de\u4e3b\u6cb9\u56de\u8def\u306e\u5727\u529b\u304c\u4f4e\u3044\u3068\u3001\u65cb\u56de\u52d5\u4f5c\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u4e3b\u4f5c\u52d5\u6cb9\u56de\u8def\u7cfb\u306e\u5727\u529b\u3092\u6e2c\u5b9a\u3059\u308b\u3002\u30ea\u30e4\u4f5c\u52d5\u6cb9\u30dd\u30f3\u30d7\u306e\u5727\u529b\u51fa\u53e3\u306b\u5185\u90e8\u516d\u89d2\u6cb9\u6813\u304c\u3042\u308b\u3002\u3053\u308c\u3092\u5916\u3057\u3001\u5727\u529b\u8a08\u3092\u53d6\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u30ed\u30fc\u30bf\u30ea\u30fc\u30cf\u30f3\u30c9\u30eb\u3092\u64cd\u4f5c\u3057\u3066\u30c7\u30a3\u30fc\u30bc\u30eb\u30a8\u30f3\u30b8\u30f3\u3092\u52a0\u901f\u3055\u305b\u308b\u3002\u6e2c\u5b9a\u3055\u308c\u305f\u5727\u529b\u306f23.5MPa\u306b\u9054\u3057\u3001\u3053\u308c\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u6b63\u5e38\u306a\u4f5c\u52d5\u5727\u529b\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u4e3b\u4f5c\u52d5\u6cb9\u56de\u8def\u306e\u3059\u3079\u3066\u306e\u6cb9\u5727\u90e8\u54c1\u304c\u6b63\u5e38\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/swingbearing.net\/ja\/home\/%e3%82%b7%e3%83%a7%e3%83%83%e3%83%97\/\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22.jpg\" alt=\"\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u7528\u30b9\u30a4\u30f3\u30b0\u30d9\u30a2\u30ea\u30f3\u30b0\" class=\"wp-image-2930\" srcset=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22.jpg 600w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22-300x300.jpg 300w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22-150x150.jpg 150w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22-12x12.jpg 12w, https:\/\/swingbearing.net\/wp-content\/uploads\/2024\/05\/sw22-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption class=\"wp-element-caption\">\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u7528\u30b9\u30a4\u30f3\u30b0\u30d9\u30a2\u30ea\u30f3\u30b0<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-inspection-of-mechanical-transmission-part\">(2) 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class=\"wp-block-heading\" id=\"3-inspection-of-control-oil-circuit\">(3) 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2\u3064\u76ee\u306e\u7406\u7531\u306f\u3001\u30d6\u30ec\u30fc\u30ad\u30ec\u30ea\u30fc\u30ba\u30d0\u30eb\u30d6\u304c\u78e8\u8017\u306b\u3088\u308a\u6f0f\u308c\u3001\u306f\u3081\u3042\u3044\u30ae\u30e3\u30c3\u30d7\u304c\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u3067\u3042\u308b(\u5206\u89e3\u70b9\u691c\u5f8c\u3001\u30d0\u30eb\u30d6\u30b9\u30c6\u30e0\u3068\u30d0\u30eb\u30d6\u7a74\u306e\u306f\u3081\u3042\u3044\u306f\u826f\u597d\u3067\u3042\u308a\u3001\u30b8\u30e3\u30df\u30f3\u30b0\u73fe\u8c61\u306f\u306a\u3044)\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"troubleshooting-an-in-depth-guide-to-diagnosing-and-resolving-control-valve-malfunctions-in-excavators\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6398\u524a\u6a5f\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u3092\u8a3a\u65ad\u3057\u3001\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u5fb9\u5e95\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<p>\u6398\u524a\u6a5f\u306f\u3001\u6398\u524a\u3001\u6301\u3061\u4e0a\u3052\u3001\u56de\u8ee2\u3001\u79fb\u52d5\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u4f5c\u696d\u3092\u884c\u3046\u305f\u3081\u306b\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u308b\u8907\u96d1\u306a\u6a5f\u68b0\u3067\u3059\u3002\u3053\u306e\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u3072\u3068\u3064\u304c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3067\u3059\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306f\u3001\u6cb9\u5727\u4f5c\u52d5\u6cb9\u306e\u6d41\u308c\u3068\u65b9\u5411\u3092\u8abf\u6574\u3057\u3001\u30b7\u30e7\u30d9\u30eb\u30ab\u30fc\u306e\u52d5\u304d\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6545\u969c\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u6a5f\u68b0\u306e\u6027\u80fd\u3068\u52b9\u7387\u306b\u6df1\u523b\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u3053\u306e\u8a73\u7d30\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u554f\u984c\u3092\u8a3a\u65ad\u3059\u308b\u305f\u3081\u306e\u624b\u9806\u3001\u4fee\u7406\u30d7\u30ed\u30bb\u30b9\u3001\u5c06\u6765\u306e\u554f\u984c\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u5bfe\u7b56\u306a\u3069\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30fb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6398\u308a\u4e0b\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"understanding-the-role-of-control-valves-in-excavators\">\u6398\u524a\u6a5f\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306f\u3001\u6cb9\u5727\u4f5c\u52d5\u6cb9\u3092\u6398\u524a\u6a5f\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u306b\u5c0e\u304f\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306f\u4f5c\u52d5\u6cb9\u306e\u6d41\u91cf\u3068\u5727\u529b\u3092\u5236\u5fa1\u3057\u3001\u30de\u30b7\u30f3\u306e\u52d5\u304d\u306e\u901f\u5ea6\u3068\u529b\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n\n\n\n<ul 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id=\"symptoms-of-control-valve-malfunctions\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306e\u75c7\u72b6<\/h2>\n\n\n\n<p>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5165\u308b\u524d\u306b\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306e\u4e00\u822c\u7684\u306a\u75c7\u72b6\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u75c7\u72b6\u306f\u3001\u6398\u524a\u6a5f\u3078\u306e\u3055\u3089\u306a\u308b\u640d\u50b7\u3092\u9632\u3050\u305f\u3081\u306e\u65e9\u671f\u767a\u898b\u3068\u8fc5\u901f\u306a\u5bfe\u51e6\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u554f\u984c\u306e\u4e00\u822c\u7684\u306a\u5146\u5019\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0d\u898f\u5247\u306a\u52d5\u304d\uff1a<\/strong> \u6398\u524a\u6a5f\u306e\u30a2\u30fc\u30e0\u3001\u30d0\u30b1\u30c3\u30c8\u3001\u30c8\u30e9\u30c3\u30af\u306e\u52d5\u304d\u304c\u4e00\u5b9a\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u304e\u304f\u3057\u3083\u304f\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li><strong>\u96fb\u6e90\u55aa\u5931\uff1a<\/strong> \u4f5c\u52d5\u6cb9\u306e\u6d41\u308c\u3084\u5727\u529b\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u3092\u793a\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4f5c\u52d5\u6cb9\u306e\u6f0f\u308c\uff1a<\/strong> \u30b7\u30fc\u30eb\u307e\u305f\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6545\u969c\u3092\u793a\u5506\u3059\u308b\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u5468\u8fba\u306e\u76ee\u306b\u898b\u3048\u308b\u6f0f\u308c\u3002<\/li>\n\n\n\n<li><strong>\u7570\u97f3\uff1a<\/strong> \u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u30d2\u30b9\u30ce\u30a4\u30ba\u3001\u3046\u306a\u308a\u97f3\u3001\u30ce\u30c3\u30ad\u30f3\u30b0\u97f3\u304c\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u4f5c\u52d5\u6cb9\u306e\u6d41\u308c\u304c\u4e71\u308c\u3066\u3044\u308b\u304b\u3001\u7a7a\u6c17\u304c\u6df7\u5165\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30aa\u30fc\u30d0\u30fc\u30d2\u30fc\u30c8\uff1a<\/strong> \u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u904e\u5ea6\u306e\u71b1\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u4f5c\u52d5\u6cb9\u306e\u6d41\u308c\u306e\u5236\u9650\u3084\u5727\u529b\u306e\u4e0d\u5747\u8861\u304c\u539f\u56e0\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"diagnosing-the-control-valve-malfunction\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u8a3a\u65ad<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u5fb9\u5e95\u7684\u306a\u8a3a\u65ad\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u554f\u984c\u306e\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u4f53\u7cfb\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u8a3a\u65ad\u30d7\u30ed\u30bb\u30b9\u306e\u8a73\u7d30\u306a\u5185\u8a33\u3092\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-visual-inspection\">1.\u76ee\u8996\u691c\u67fb<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3068\u305d\u306e\u5468\u8fba\u306e\u6cb9\u5727\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u76ee\u8996\u70b9\u691c\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u6469\u8017\u3001\u640d\u50b7\u3001\u6f0f\u308c\u306e\u5146\u5019\u3092\u63a2\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\uff1a<\/strong> \u6db2\u6f0f\u308c\u306e\u539f\u56e0\u3068\u306a\u308b\u3088\u3046\u306a\u4e80\u88c2\u3001\u88c2\u3051\u76ee\u3001\u30b7 \u30fc\u30eb\u3084\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u52a3\u5316\u304c\u76ee\u306b\u898b\u3048\u306a\u3044\u304b \u70b9\u691c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u63a5\u7d9a\u3068\u30db\u30fc\u30b9\uff1a<\/strong> 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class=\"wp-block-list\">\n<li><strong>\u30d5\u30eb\u30fc\u30c9\u30ec\u30d9\u30eb\uff1a<\/strong> \u4f5c\u52d5\u6cb9\u30ec\u30d9\u30eb\u304c\u63a8\u5968\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f5c\u52d5\u6cb9\u30ec\u30d9\u30eb\u304c\u4f4e\u3044\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u30a8\u30a2\u304c\u6df7\u5165\u3057\u3001\u52d5\u4f5c\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u3063\u305f\u308a\u3001\u6027\u80fd\u304c\u4f4e\u4e0b\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6d41\u4f53\u306e\u8cea\uff1a<\/strong> \u4f5c\u52d5\u6cb9\u306e\u8272\u3001\u7c98\u5ea6\u3001\u6c5a\u67d3\u7269\u8cea\u306e\u6709\u7121\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u4f5c\u52d5\u6cb9\u304c\u6fc3\u3044\u3001\u6fc1\u3063\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u6c5a\u67d3\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4f5c\u52d5\u6cb9\u306e\u4ea4\u63db\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306b\u6f5c\u5728\u7684\u306a\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-pressure-testing\">3.\u5727\u529b\u8a66\u9a13<\/h3>\n\n\n\n<p>\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u5727\u529b\u30c6\u30b9\u30c8\u306f\u3001\u4f5c\u52d5\u6cb9\u306e\u6d41\u308c\u3068\u5727\u529b\u8abf\u6574\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6cb9\u5727\u5727\u529b\u30b2\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u5727\u529b\uff1a<\/strong> 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id=\"4-functional-testing\">4.\u6a5f\u80fd\u30c6\u30b9\u30c8<\/h3>\n\n\n\n<p>\u7570\u306a\u308b\u904b\u8ee2\u6761\u4ef6\u4e0b\u3067\u306e\u8abf\u7bc0\u5f01\u306e\u6027\u80fd\u3092\u89b3\u5bdf\u3059\u308b\u305f\u3081\u306b\u3001\u6a5f\u80fd\u8a66\u9a13\u3092\u5b9f\u65bd\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u30c6\u30b9\u30c8\u306f\u3001\u7279\u5b9a\u306e\u554f\u984c\u3092\u7a81\u304d\u6b62\u3081\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30fc\u306e\u53cd\u5fdc\uff1a<\/strong> 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id=\"identifying-the-root-cause-leakage-in-the-control-valve\">\u6839\u672c\u539f\u56e0\u306e\u7279\u5b9a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6f0f\u308c<\/h2>\n\n\n\n<p>\u3053\u306e\u4e8b\u4f8b\u3067\u306f\u3001\u30b7\u30e7\u30d9\u30eb\u306e\u4e0d\u898f\u5247\u306a\u56de\u8ee2\u904b\u52d5\u304c\u4e3b\u306a\u75c7\u72b6\u3068\u3057\u3066\u89b3\u5bdf\u3055\u308c\u305f\u3002\u4e0a\u8a18\u306e\u8a3a\u65ad\u30b9\u30c6\u30c3\u30d7\u3092\u5b9f\u65bd\u3057\u305f\u7d50\u679c\u3001\u6545\u969c\u306e\u4e3b\u306a\u539f\u56e0\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u3067\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u8a73\u7d30\u306a\u5206\u6790\u7d50\u679c\u3067\u3042\u308b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-visual-inspection-1\">1.\u76ee\u8996\u691c\u67fb<\/h3>\n\n\n\n<p>\u76ee\u8996\u70b9\u691c\u306e\u969b\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u4ed8\u8fd1\u3067\u4f5c\u52d5\u6cb9\u306e\u6f0f\u308c\u304c\u691c\u51fa\u3055\u308c\u305f\u3002\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u304c\u6469\u8017\u3057\u52a3\u5316\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u305f\u305f\u3081\u3001\u6f0f\u308c\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-hydraulic-fluid-analysis-2\">2.\u4f5c\u52d5\u6cb9\u5206\u6790<\/h3>\n\n\n\n<p>\u4f5c\u52d5\u6cb9\u306e\u5206\u6790\u304b\u3089\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6469\u8017\u3084\u640d\u50b7\u3092\u65e9\u3081\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u7c92\u5b50\u3084\u6c34\u5206\u304c\u6df7\u5165\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u3002\u4f5c\u52d5\u6cb9\u306e\u8272\u3068\u7c98\u5ea6\u304b\u3089\u3001\u63a8\u5968\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u306b\u5f93\u3063\u3066\u4ea4\u63db\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u793a\u5506\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-pressure-testing-3\">3.\u5727\u529b\u8a66\u9a13<\/h3>\n\n\n\n<p>\u5727\u529b\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u5168\u4f53\u3067\u5927\u5e45\u306a\u5727\u529b\u4f4e\u4e0b\u304c\u898b\u3089\u308c\u3001\u5185\u90e8\u30ea\u30fc\u30af\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3002\u30b7\u30b9\u30c6\u30e0\u5727\u529b\u3082\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u3088\u308a\u4f4e\u304f\u3001\u30d0\u30eb\u30d6\u6f0f\u308c\u306e\u8a3a\u65ad\u3092\u3055\u3089\u306b\u88cf\u4ed8\u3051\u308b\u3082\u306e\u3067\u3042\u3063\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-functional-testing-4\">4.\u6a5f\u80fd\u30c6\u30b9\u30c8<\/h3>\n\n\n\n<p>\u6a5f\u80fd\u30c6\u30b9\u30c8\u3067\u306f\u3001\u4e00\u8cab\u6027\u306e\u306a\u3044\u5f31\u3044\u56de\u8ee2\u904b\u52d5\u304c\u898b\u3089\u308c\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u306e\u75c7\u72b6\u3068\u4e00\u81f4\u3057\u3066\u3044\u305f\u3002\u65b9\u5411\u5236\u5fa1\u306b\u3082\u5f71\u97ff\u304c\u3042\u308a\u3001\u65b9\u5411\u8ee2\u63db\u306b\u9045\u308c\u3084\u56f0\u96e3\u304c\u898b\u3089\u308c\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"repairing-the-control-valve\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u4fee\u7406<\/h2>\n\n\n\n<p>\u5236\u5fa1\u5f01\u306e\u8907\u96d1\u3055\u3068\u91cd\u8981\u306a\u5f79\u5272\u3092\u8003\u3048\u308b\u3068\u3001\u4fee\u7406\u306b\u306f\u614e\u91cd\u306a\u6ce8\u610f\u3068\u5c02\u9580\u77e5\u8b58\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4fee\u7406\u306e\u624b\u9806\u3092\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-removing-the-control-valve\">1.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u53d6\u308a\u5916\u3057<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u4fee\u7406\u3059\u308b\u306b\u306f\u3001\u6398\u524a\u6a5f\u304b\u3089\u53d6\u308a\u5916\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6cb9\u5727\u30e9\u30a4\u30f3\u306e\u53d6\u308a\u5916\u3057\uff1a<\/strong> \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u6cb9\u5727\u30e9\u30a4\u30f3\u3092\u6ce8\u610f\u6df1\u304f\u5916\u3057\u3001\u4f5c\u52d5\u6cb9\u306e\u6d41\u51fa\u3084\u6c5a\u67d3\u3092\u9632\u3050\u305f\u3081\u306b\u30ad\u30e3\u30c3\u30d7\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u96fb\u6c17\u63a5\u7d9a\u306e\u5207\u65ad\uff1a<\/strong> \u8abf\u7bc0\u5f01\u306b\u96fb\u6c17\u7684\u63a5\u7d9a\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u53d6\u308a\u5916\u3057\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u305d\u308c\u3089\u3092\u5916\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u53d6\u308a\u4ed8\u3051\u30dc\u30eb\u30c8\u306e\u53d6\u308a\u5916\u3057\uff1a<\/strong> \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3092\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u307e\u305f\u306f\u30d5\u30ec\u30fc\u30e0\u306b\u56fa\u5b9a\u3057\u3066\u3044\u308b\u30dc\u30eb\u30c8\u307e\u305f\u306f\u306d\u3058\u3092\u53d6\u308a\u5916\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-disassembling-the-control-valve\">2.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u5206\u89e3<\/h3>\n\n\n\n<p>\u8abf\u7bc0\u5f01\u3092\u53d6\u308a\u5916\u3057\u305f\u3089\u3001\u5206\u89e3\u3057\u3066\u640d\u50b7\u3057\u305f\u90e8\u54c1\u3092\u70b9\u691c\u30fb\u4ea4\u63db\u3059\u308b\u3002\u3053\u308c\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d0\u30eb\u30d6\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u958b\u3051\u308b\uff1a<\/strong> \u5185\u90e8\u90e8\u54c1\u306e\u914d\u7f6e\u3068\u5411\u304d\u306b\u6ce8\u610f\u3057\u306a\u304c\u3089\u3001\u8abf\u7bc0\u5f01\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u6ce8\u610f\u6df1\u304f\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u691c\u67fb\uff1a<\/strong> \u30b7\u30fc\u30eb\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u3001\u30d0\u30eb\u30d6\u30b9\u30d7\u30fc\u30eb\u306a\u3069\u306e\u5185\u90e8\u90e8\u54c1\u306b\u6469\u8017\u3001\u640d\u50b7\u3001\u6c5a\u67d3\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u70b9\u691c\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u90e8\u54c1\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3068\u4ea4\u63db\uff1a<\/strong> \u3059\u3079\u3066\u306e\u69cb\u6210\u90e8\u54c1\u3092\u5fb9\u5e95\u7684\u306b\u6e05\u6383\u3057\u3001\u6469\u8017\u3084\u640d\u50b7\u306e\u3042\u308b\u90e8\u54c1\u306f\u65b0\u3057\u3044\u3082\u306e\u3068\u4ea4\u63db\u3059\u308b\u3002\u4ea4\u63db\u90e8\u54c1\u304c\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-reassembling-the-control-valve\">3.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u518d\u7d44\u307f\u7acb\u3066<\/h3>\n\n\n\n<p>\u640d\u50b7\u3057\u305f\u90e8\u54c1\u3092\u4ea4\u63db\u3057\u305f\u5f8c\u3001\u7d30\u90e8\u306b\u6ce8\u610f\u3057\u3066\u8abf\u7bc0\u5f01\u3092\u518d\u5ea6\u7d44\u307f\u7acb\u3066\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5185\u90e8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\uff1a<\/strong> \u5185\u90e8\u90e8\u54c1\u3092\u6b63\u3057\u3044\u9806\u5e8f\u3068\u5411\u304d\u3067\u518d\u3073\u53d6\u308a\u4ed8\u3051\u3001\u9069\u5207\u306a\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3068\u30d5\u30a3\u30c3\u30c8\u3092\u78ba\u4fdd\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30d0\u30eb\u30d6\u30cf\u30a6\u30b8\u30f3\u30b0\u306e\u30b7\u30fc\u30eb\uff1a<\/strong> \u30d0\u30eb\u30d6\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u3057\u3063\u304b\u308a\u3068\u9589\u3081\u3001\u3059\u3079\u3066\u306e\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u304c\u6b63\u3057\u304f\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u5c06\u6765\u306e\u6f0f\u308c\u3092\u9632\u304e\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-reinstalling-the-control-valve\">4.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u518d\u88c5\u7740<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3092\u4fee\u7406\u3057\u3001\u518d\u5ea6\u7d44\u307f\u7acb\u3066\u305f\u5f8c\u3001\u6398\u524a\u6a5f\u306b\u518d\u3073\u53d6\u308a\u4ed8\u3051\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d0\u30eb\u30d6\u306e\u53d6\u308a\u4ed8\u3051\uff1a<\/strong> \u53d6\u4ed8\u30dc\u30eb\u30c8\u307e\u305f\u306f\u30cd\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3092\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u307e\u305f\u306f\u30d5\u30ec\u30fc\u30e0\u306b\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6cb9\u5727\u30e9\u30a4\u30f3\u306e\u518d\u63a5\u7d9a\uff1a<\/strong> \u6cb9\u5727\u30e9\u30a4\u30f3\u304c\u3057\u3063\u304b\u308a\u3068\u56fa\u5b9a\u3055\u308c\u3001\u6f0f\u308c\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u518d\u63a5\u7d9a\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u96fb\u6c17\u63a5\u7d9a\u306e\u518d\u63a5\u7d9a\uff1a<\/strong> \u8a72\u5f53\u3059\u308b\u5834\u5408\u3001\u96fb\u6c17\u63a5\u7d9a\u3092\u518d\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-testing-the-repaired-control-valve\">5.\u4fee\u7406\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u30c6\u30b9\u30c8<\/h3>\n\n\n\n<p>\u8abf\u7bc0\u5f01\u3092\u518d\u88c5\u7740\u3057\u305f\u5f8c\u3001\u4fee\u7406\u304c\u6210\u529f\u3057\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u7dcf\u5408\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3059\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5727\u529b\u30c6\u30b9\u30c8\uff1a<\/strong> \u5727\u529b\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3001\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u5727\u529b\u304c\u88fd\u9020\u696d\u8005\u306e\u4ed5\u69d8\u5185\u3067\u3042\u308b\u3053\u3068\u3001\u304a\u3088\u3073\u5236\u5fa1\u5f01\u5168\u4f53\u3067\u8457\u3057\u3044\u5727\u529b\u964d\u4e0b\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u6a5f\u80fd\u30c6\u30b9\u30c8\uff1a<\/strong> \u6398\u524a\u6a5f\u306e\u6a5f\u80fd\u3092\u64cd\u4f5c\u3057\u3001\u30b9\u30e0\u30fc\u30ba\u3067\u5b89\u5b9a\u3057\u305f\u52d5\u304d\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6f0f\u308c\u3084\u7570\u5e38\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"preventing-future-control-valve-malfunctions\">\u5c06\u6765\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u8aa4\u4f5c\u52d5\u3092\u9632\u3050<\/h2>\n\n\n\n<p>\u5c06\u6765\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u3092\u9632\u304e\u3001\u6398\u524a\u6a5f\u306e\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u3092\u9577\u6301\u3061\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u65b9\u6cd5\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-regular-fluid-checks-and-changes\">1.\u5b9a\u671f\u7684\u306a\u30d5\u30eb\u30fc\u30c9\u70b9\u691c\u3068\u4ea4\u63db<\/h3>\n\n\n\n<p>\u4f5c\u52d5\u6cb9\u306e\u30ec\u30d9\u30eb\u3068\u54c1\u8cea\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3057\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u63a8\u5968\u306b\u5f93\u3063\u3066\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6e05\u6d44\u3067\u9ad8\u54c1\u8cea\u306e\u4f5c\u52d5\u6cb9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30b3\u30f3\u30bf\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u9632\u304e\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6469\u8017\u3092\u6e1b\u3089\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-routine-inspection-and-replacement-of-seals-and-gaskets\">2.\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u5b9a\u671f\u70b9\u691c\u3068\u4ea4\u63db<\/h3>\n\n\n\n<p>\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u306b\u6469\u8017\u3084\u52a3\u5316\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3059\u308b\u3002\u6f0f\u308c\u3092\u9632\u304e\u3001\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u5727\u529b\u3092\u6700\u9069\u306b\u4fdd\u3064\u305f\u3081\u306b\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-regular-maintenance-schedule\">3.\u5b9a\u671f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3001\u6cb9\u5727\u30e9\u30a4\u30f3\u3001\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u30c1\u30a7\u30c3\u30af\u3092\u542b\u3080\u3001\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u5b9f\u65bd\u3059\u308b\u3002\u30bf\u30a4\u30e0\u30ea\u30fc\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306f\u3001\u91cd\u5927\u306a\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u524d\u306b\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001\u5bfe\u51e6\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-operator-training\">4.\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/h3>\n\n\n\n<p>\u30aa\u30da\u30ec\u30fc\u30bf\u304c\u6398\u524a\u6a5f\u306e\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u6b63\u3057\u3044\u4f7f\u7528\u3068\u4fdd\u5b88\u306b\u3064\u3044\u3066\u8a13\u7df4\u3092\u53d7\u3051\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u64cd\u4f5c\u3068\u53d6\u308a\u6271\u3044\u306f\u3001\u640d\u50b7\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3057\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u3084\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-using-genuine-parts\">5.\u7d14\u6b63\u90e8\u54c1\u306e\u4f7f\u7528<\/h3>\n\n\n\n<p>\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u306e\u90e8\u54c1\u3092\u4fee\u7406\u3057\u305f\u308a\u4ea4\u63db\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306f\u3001\u5fc5\u305a\u30e1\u30fc\u30ab\u30fc\u306e\u4ed5\u69d8\u3092\u6e80\u305f\u3057\u305f\u7d14\u6b63\u90e8\u54c1\u3084\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e92\u63db\u6027\u3068\u4fe1\u983c\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3001\u5c06\u6765\u306e\u6545\u969c\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"380\" height=\"262\" src=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2023\/09\/CAT.jpg\" alt=\"\u30b9\u30a4\u30f3\u30b0\u30d9\u30a2\u30ea\u30f3\u30b0\" class=\"wp-image-504\" srcset=\"https:\/\/swingbearing.net\/wp-content\/uploads\/2023\/09\/CAT.jpg 380w, https:\/\/swingbearing.net\/wp-content\/uploads\/2023\/09\/CAT-300x207.jpg 300w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u76ee\u6b21<\/h2><nav><ul><li><a href=\"#fault-of-excavator-without-rotation-it-was-found-that-there-was-no-rotation-movement-while-other-movements-were-normal\">\u30b7\u30e7\u30d9\u30eb\u304c\u56de\u8ee2\u3057\u306a\u3044\u6545\u969c\uff1a\u4ed6\u306e\u52d5\u304d\u306f\u6b63\u5e38\u306a\u306e\u306b\u3001\u56de\u8ee2\u306e\u52d5\u304d\u304c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002<\/a><\/li><li><a href=\"#fault-cause-analysis-and-inspection\">\u6545\u969c\u539f\u56e0\u5206\u6790\u3068\u691c\u67fb<\/a><ul><li><a href=\"#1-inspection-of-the-main-working-oil-circuit\">(1) \u4e3b\u8981\u4f5c\u52d5\u6cb9\u56de\u8def\u306e\u70b9\u691c<\/a><\/li><li><a href=\"#2-inspection-of-mechanical-transmission-part\">(2) \u6a5f\u68b0\u4f1d\u52d5\u90e8\u306e\u70b9\u691c<\/a><\/li><li><a href=\"#3-inspection-of-control-oil-circuit\">(3) \u5236\u5fa1\u6cb9\u56de\u8def\u306e\u70b9\u691c<\/a><\/li><\/ul><\/li><li><a href=\"#troubleshooting-an-in-depth-guide-to-diagnosing-and-resolving-control-valve-malfunctions-in-excavators\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6398\u524a\u6a5f\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u3092\u8a3a\u65ad\u3057\u3001\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u5fb9\u5e95\u30ac\u30a4\u30c9<\/a><\/li><li><a href=\"#understanding-the-role-of-control-valves-in-excavators\">\u6398\u524a\u6a5f\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b<\/a><\/li><li><a href=\"#symptoms-of-control-valve-malfunctions\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306e\u75c7\u72b6<\/a><\/li><li><a href=\"#diagnosing-the-control-valve-malfunction\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6545\u969c\u8a3a\u65ad<\/a><ul><li><a href=\"#1-visual-inspection\">1.\u76ee\u8996\u691c\u67fb<\/a><\/li><li><a href=\"#2-hydraulic-fluid-analysis\">2.\u4f5c\u52d5\u6cb9\u5206\u6790<\/a><\/li><li><a href=\"#3-pressure-testing\">3.\u5727\u529b\u8a66\u9a13<\/a><\/li><li><a href=\"#4-functional-testing\">4.\u6a5f\u80fd\u30c6\u30b9\u30c8<\/a><\/li><\/ul><\/li><li><a href=\"#identifying-the-root-cause-leakage-in-the-control-valve\">\u6839\u672c\u539f\u56e0\u306e\u7279\u5b9a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u6f0f\u308c<\/a><ul><li><a href=\"#1-visual-inspection-1\">1.\u76ee\u8996\u691c\u67fb<\/a><\/li><li><a href=\"#2-hydraulic-fluid-analysis-2\">2.\u4f5c\u52d5\u6cb9\u5206\u6790<\/a><\/li><li><a href=\"#3-pressure-testing-3\">3.\u5727\u529b\u8a66\u9a13<\/a><\/li><li><a href=\"#4-functional-testing-4\">4.\u6a5f\u80fd\u30c6\u30b9\u30c8<\/a><\/li><\/ul><\/li><li><a href=\"#repairing-the-control-valve\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u4fee\u7406<\/a><ul><li><a href=\"#1-removing-the-control-valve\">1.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u53d6\u308a\u5916\u3057<\/a><\/li><li><a href=\"#2-disassembling-the-control-valve\">2.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u5206\u89e3<\/a><\/li><li><a href=\"#3-reassembling-the-control-valve\">3.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u518d\u7d44\u307f\u7acb\u3066<\/a><\/li><li><a href=\"#4-reinstalling-the-control-valve\">4.\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u518d\u88c5\u7740<\/a><\/li><li><a href=\"#5-testing-the-repaired-control-valve\">5.\u4fee\u7406\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u30c6\u30b9\u30c8<\/a><\/li><\/ul><\/li><li><a href=\"#preventing-future-control-valve-malfunctions\">\u5c06\u6765\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u306e\u8aa4\u4f5c\u52d5\u3092\u9632\u3050<\/a><ul><li><a href=\"#1-regular-fluid-checks-and-changes\">1.\u5b9a\u671f\u7684\u306a\u30d5\u30eb\u30fc\u30c9\u70b9\u691c\u3068\u4ea4\u63db<\/a><\/li><li><a href=\"#2-routine-inspection-and-replacement-of-seals-and-gaskets\">2.\u30b7\u30fc\u30eb\u3068\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u5b9a\u671f\u70b9\u691c\u3068\u4ea4\u63db<\/a><\/li><li><a href=\"#3-regular-maintenance-schedule\">3.\u5b9a\u671f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/a><\/li><li><a href=\"#4-operator-training\">4.\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/a><\/li><li><a href=\"#5-using-genuine-parts\">5.\u7d14\u6b63\u90e8\u54c1\u306e\u4f7f\u7528<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>","protected":false},"excerpt":{"rendered":"<p>Fault of excavator without rotation: It was found that there was no rotation movement, while other movements were normal. When the operating handle is placed in the rotary position, the control oil reaches the control valve and pushes the rotary valve rod to feed the high-pressure oil provided by the rear working oil pump into the rotary motor; At the same time, the oil circuit that controls the oil return to the tank is cut off, increasing the pressure of the brake release valve, pushing its valve stem to allow another auxiliary pressure oil to enter the brake piston, opening the swing brake device, and causing the swing motor to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":631,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/posts\/630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/comments?post=630"}],"version-history":[{"count":0,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/posts\/630\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/media\/631"}],"wp:attachment":[{"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/media?parent=630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/categories?post=630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swingbearing.net\/ja\/wp-json\/wp\/v2\/tags?post=630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}