GB/T 25350-2010 PDF EnglishUS$90.00 · In stock · Download in 9 seconds
GB/T 25350-2010: Technology specification for cleaning fuel supply system of ethanol gasoline vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 25350-2010: Technology specification for cleaning fuel supply system of ethanol gasoline vehicles---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT25350-2010 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 03.220.20 R 16 Technology specification for cleaning fuel supply system of ethanol gasoline vehicles Issued on: NOVEMBER 10, 2010 Implemented on: MARCH 1, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration Committee. Table of ContentsForeword ... 3 1 Scope ... 4 2 Cleaning items and technical requirements ... 4 3 Cleaning operation process ... 5 4 Inspection and debugging ... 8 5 Quality assurance period ... 8ForewordThis Standard was proposed by Ministry of Transport of the People 's Republic of China. This Standard shall be under the jurisdiction of National Technical Committee on Auto Repair of Standardization Administration of China (SAC/TC 247). Main drafting organization of this Standard. Ministry of Communications Highway Science Research Institute. The drafting organizations of this Standard. Anhui Provincial Highway Transport Administration Bureau, Jiangsu Provincial Communications Department Transport Administration Bureau, Jilin University. Main drafters of this Standard. Han Guoqing, Cai Fengtian, Ning Qing, Fan Jian, Liu Li, Tian Yongsheng, Li Weiqing, Zhao Meng, Yan Fengyi, Chen Ming, Li Ke, Yin Guoxiang, Li Xiansheng, Zhao Zhiguo. Technology specification for cleaning fuel supply system of ethanol gasoline vehicles1 ScopeThis Standard specifies the fuel supply system cleaning project and technical requirements, operation process, inspection and commissioning, quality assurance period for gasoline vehicles before they use ethanol gasoline for the first time. This Standard is applicable to cleaning fuel supply system of ethanol gasoline vehicles which have been driving for more than 30,000 km prior to the first use of ethanol gasoline.2 Cleaning items and technical requirementsSee Table 1 for cleaning items and technical requirements. The process flow is shown in Figure 1. Table 1 Cleaning items and technical requirements No. Item Technical requirements 1 Fuel tank a) No dirt, rust, glial particles, accumulated water in the tank; b) Fuel tank pads are intact, fast and reliable, without wear, oil spill; c) No dirt in tank breathing valve, easy access and easy exhaust; d) The oil sensor float is alcohol resistant material. 2 Fuel pump a) Clean, no impurities inside and outside of fuel pump; b) The pump membrane is alcohol resistant material; c) The fuel filter is clean, smooth, without dirt. 3 Fuel filter a) Replace the disposable fuel filter; b) No dirt inside and outside the detachable fuel filter; filter is resistant alcohol filter such as metal grid or ceramic material. 4 Injector No carbon deposition, blockage, drip oil leakage phenomenon 5 Tubing a) Tubing is resistant to alcohol; b) Pipeline is clean and smooth; c) No sag, crack or leakage joints; d) The tubing connector is alcohol resistant material. 6 Fuel evaporation control device a) Pipeline is resistant to alcohol, clean and smooth; b) The surface of the activated carbon tank is not damaged; c) Activated carbon is effective. 3.9 Carburetor cleaning 3.9.1 Clean the outside of the carburetor first. Then decompose the carburetor. Clean each oil channel, measuring hole, oil room, atomizing nozzle, needle and inlet filter, etc. 3.9.2 Check oil float, plastic parts, rubber parts. If they are made of a material susceptible to ethanol corrosion, it shall be replaced with alcohol resistant parts. 3.9.3 Install the carburetor and connect the tubing. 3.10 Oil-water separator cleaning 3.10.1 Check the oil-water separator. Replace it if it cannot work as normal. 3.10.2 Clean the oil-water separator to make it without dirt or accumulated water.4 Inspection and debugging4.1 Check the fuel supply system. The pipeline connection shall be reliable, without leakage. The relevant parameters shall meet the original technical requirements. 4.2 Make adaptive adjustment to carburetor engine. Properly adjust the concentration of the mixture. Advance the ignition advance angle. 4.3 After adding automotive ethanol gasoline, the engine shall start with good performance, idle stability, smooth running, without broken cylinder, tempering, blasting or abnormal sound.5 Quality assurance periodCalculated from the date of completion and exit-factory, the vehicle shall travel 2000 km or 10d, whichever comes first. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 25350-2010 be delivered?Answer: The full copy PDF of English version of GB/T 25350-2010 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 25350-2010_English with my colleagues?Answer: Yes. 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