在汽車的保養維護修理中，我們常常為不小心買了假冒偽劣配件和不合用配件而煩惱。那么，怎樣才能買到合格合用的配件呢？
濟南沃爾沃汽車維修哪家好下面來看看吧。
In the maintenance and repair of automobiles, we often worry about buying fake and substandard accessories and inappropriate accessories. So, how can we buy qualified accessories? Jinan Volvo car maintenance which good next look.
1.看商標標識是否齊全。正規產品外包裝質量好，包裝盒上字跡清晰，套印顏色鮮艷。包裝箱、袋上應標明產品名稱、規格、型號、數量、注冊商標、廠名、地址和電話等。一些制造商也標記自己的配件。發電機、分配器、噴油泵等重要部件。還配有操作說明書、合格證和檢驗員印章，指導用戶使用和維護好。購買時要仔細識別，防止買到假冒偽劣產品。
1. Check whether the trademark is complete. The external packaging of regular products is of good quality, the writing on the packaging box is clear, and the overprint color is bright. The product name, specification, model, quantity, registered trademark, factory name, address, telephone number, etc. shall be marked on the packaging box and bag. Some manufacturers also mark their accessories. Generator, distributor, fuel injection pump and other important components. It is also equipped with operation instructions, certificates and inspector seals to guide users to use and maintain. Be careful to identify when purchasing to prevent buying fake and inferior products.
2.查看幾何尺寸是否變形。由于制造、運輸和儲存不當，一些零件容易變形。檢查時，可將軸類零件沿玻璃板滾動一次，看零件與玻璃板連接處有無漏光，判斷是否彎曲。
2. Check whether the geometric dimensions are deformed. Some parts are easy to deform due to improper manufacturing, transportation and storage. During the inspection, the shaft parts can be rolled along the glass plate once to check whether there is light leakage at the connection between the parts and the glass plate and judge whether they are bent.
3.查看接頭的位置是否平坦。在備件的搬運和儲存過程中，由于振動和碰撞，接頭處經常會出現毛刺、壓痕、損壞或裂紋，這與備件的使用有關。采購注意事項檢查。
3. Check whether the position of the connector is flat. During the handling and storage of spare parts, due to vibration and collision, burrs, indentation, damage or cracks often appear at the joints, which is related to the use of spare parts. Inspection of procurement precautions.
4.查看零件表面是否有腐蝕。合格備件的表層具有要的精度和光澤。備件越重要，精度越高，防銹防腐包裝越嚴。購買檢查時的注意事項，如果發現零件有銹斑、霉斑或橡膠零件開裂失去彈性，或軸頸表面有明顯的車削刀痕，應更換。
4. Check whether there is corrosion on the part surface. The surface of qualified spare parts shall have the required accuracy and luster. The more important the spare parts are, the higher the accuracy is, and the stricter the rust and corrosion prevention packaging is. Precautions during purchase inspection: if parts are found to have rust, mildew, or rubber parts are cracked and lose elasticity, or there are obvious turning tool marks on the journal surface, they should be replaced.
5.看防護面是否完好。大多數零件和部件在工廠基本上都涂有保護涂層。例如，活塞銷和軸瓦用石蠟保護；活塞環和缸套表面涂防銹油，并用包裝紙包好；閥門、活塞等。蘸防銹油后用塑料袋包裝。如果購買時密封套損壞、包裝紙丟失、防銹油或石蠟丟失，應退貨。
5. Check whether the protective surface is intact. Most parts and components are basically factory coated. For example, the piston pin and bearing bush are protected with paraffin; The surface of piston ring and cylinder liner shall be coated with antirust oil and wrapped with wrapping paper; Valves, pistons, etc. Dipped with antirust oil and packed in plastic bags. If the seal sleeve is damaged, the wrapping paper is lost, and the rust preventive oil or paraffin is lost when purchasing, it should be returned.
In addition, normally assembled components must be complete and intact to ensure smooth installation, configuration and normal operation. If some small parts on the assembly parts are omitted, the assembly parts will not work, or even be scrapped. Follow our website http://www.junwumy.com Learn more!
