How to see the turbocharger good and bad？
How to see the turbocharger good and bad？
First, see whether the turbocharger trademark logo is complete. The quality of the outer packaging of the authentic product is good, the writing on the box is clear, and the overprint color is bright. The packaging box and bag should be marked with the product name, specification, model, quantity, registered trademark, factory name, address and telephone number, etc. Some manufacturers also mark their own marks on the accessories. Some important components, such as generators, distributors, fuel injection pumps, etc., are also equipped with instruction manuals, qualification certificates and inspector seals to guide users in correct use and maintenance. When purchasing, it should be carefully recognized to prevent buying fake and shoddy products.
Second, see whether the geometric size of the turbocharger is deformed. Some parts are easily deformed due to improper manufacture, transportation and storage. During inspection, the shaft parts can be rolled around the glass plate to see if there is light leakage at the joint between the parts and the glass plate to judge whether they are bent; Hold the sheet in front of your eyes to observe whether it is warped; when purchasing an oil seal, the end face of the oil seal with a skeleton should be a perfect circle, which can fit with the flat glass without deflection; the outer edge of the oil seal without a skeleton should be straight and deformed by hand. , it should be able to return to its original state after letting go. When purchasing all kinds of pads, you should also pay attention to checking the geometric size and shape.
Third, see whether the joint part of the turbocharger is flat. During the handling and storage of spare parts, due to vibration and bumping, burrs, indentations, damages or cracks are often generated in the joint parts, which affects the use of the parts. Pay attention to inspection when purchasing.
Fourth, see whether there is rust on the surface of the turbocharger parts. The surface of qualified spare parts has both a certain precision and a bright finish. The more important the spare parts are, the higher the precision is, and the stricter the packaging is to prevent rust and corrosion.
