In the maintenance and repair of motor vehicles, vehicle owners often careless bought a fake and shoddy automobile spring leaf spring inappropriate and troubles. So, how to buy qualified combination of automotive leaf spring it? (1) Specification suitability. Most automobile spring has provisions models and technical parameters. The purchase of automobile spring, should pay attention to the model. (2) trademarks are complete. The authentic products packaging quality is good, legible box bright overprint. Are generally equipped with manual, certificate and inspector chapter to guide users in the proper use of maintenance. The purchase should be careful to clearly understand, prevent buy fake and shoddy products. (3) look at the geometry of the presence or absence of deformation. Some parts due to manufacturing, transport, improper storage, easy to produce deformed. (4) to see whether the binding site is equality. Spare parts in the process of moving, storage, due to vibration, bump, often in the binding site of burrs, indentation, breakage or cracks affect the use of the automobile spring. (5) to see whether the corrosion of the surface of the automobile spring. Qualified automotive leaf spring surface, both precision and burnished finish, the purchase should pay attention to check, if we find rust spots, mildew spots or rubber parts automobile spring cracking, loss of elasticity, or surface The obvious turning tool lines, should be reversed. (6) to see whether the protective surface intact. Most automobile spring at the factory are coated with a protective layer. When you purchase gland damage, wrapping paper loss, loss of anti-rust oil or paraffin, request returned. (7) look for loose parts automobile spring. Accessories by the combination of two or more parts, press-fit between the parts, gluing or welding molding process, they are not allowed loosening. If you find loose, the purchase request exchange. (8) to see whether the flexible rotating parts. Rotating parts rotate not working, internal corrosion or deformation, do not buy. (9) automotive leaf spring assembly parts for lack of parts. Formal components of the assembly must be complete and intact, in order to ensure a smooth assembly and uptime. Individual small parts assembly parts missing equipment, assembly components will not work even scrapped. (10) to see whether the automotive leaf spring assembly mark clear. Automotive leaf spring assembly relations conforms to the technical requirements, in some parts (such as the timing gear) surface engraved with the assembly marks. If no sign or marking blurred unrecognizable, will give the assembly has caused great difficulties, even pretended to be wrong. Look at the surface of the automobile spring for wear, automobile spring wear marks on the surface, or painted accessories found old paint peel surface paint, mostly for scrap camouflage, may request returned. |