In the maintenance and repair of garbage trucks, we often worry about accidentally buying counterfeit parts and accessories. So, how can we buy qualified accessories for use? Maintenance Garbage truck accessories Note:
1. See if the garbage truck accessories logo is complete. Authentic products have good quality packaging, clear writing on the packaging box, and vivid overprinting. Boxes and bags should be marked with the product name, model number, quantity, registered trademark, factory name, factory address, telephone number, etc. Some manufacturers also make their own marks on the accessories. Some important components such as generators, distributors, injection pumps, etc., are also equipped with instructions for use, certificates of conformity, and inspector's chapters to guide users in proper use and maintenance. When you buy, you should carefully understand to prevent buying fake and shoddy products.
2. See if the junction is flat. During the handling and storage of garbage truck accessories, due to vibration and bumping, burrs, indentations, breakages, or cracks are often generated at the joints, affecting the use of parts. Please pay attention to inspection when purchasing.
3. Look at the geometry for deformation. Some garbage truck parts are easily deformed due to improper manufacturing, transportation and storage. During the inspection, the shaft part can be rolled along the glass plate to see if there is any light leakage between the part and the glass plate to judge whether it is bent; when the clutch plate or friction plate is selected, the steel plate and friction can be selected. Observe whether the film is warped in front of the film; when selecting the oil seal, the end surface of the oil seal with the frame should be perfectly round, and it can be attached to the flat glass without bending; the outer edge of the frame oil seal should be straight, and it should be deformed by hand After loosening, you should be able to return to your original condition. In the purchase of various kinds of pads, you should also pay attention to check the geometry and shape.
4. Look at the surface of garbage truck accessories for rust. Qualified parts surface, both a certain degree of precision and bright finish, the more important parts, the higher the precision, the more stringent rust-proof and anti-corrosion packaging. Should pay attention to inspection when purchasing, if found parts of rusty spots, mold spots or rubber pieces cracking, loss of elasticity, or the surface of the journal has a clear turning pattern, should be exchanged.
5. See if the glued parts are loose. For accessories assembled from two or more parts, the garbage truck parts are pressed, glued or welded, and loosening between them is not allowed. For example, the oil pump plunger and the adjusting arm are assembled by press-fitting. The clutch driven wheel and the steel plate are riveted together, the friction plate and the steel plate are riveted or glued together; the frame of the paper filter and the filter paper are glued together; the end of the electrical equipment is welded. . If it is found to be loose during purchase, it should be exchanged.
6. See if the protective surface of the garbage truck accessories is in good condition. Most parts are coated with a protective layer at the factory. For example, the piston pin and the bearing bush are protected by paraffin; the surface of the piston ring and the cylinder liner are coated with anti-rust oil and wrapped in wrapping paper; valves, pistons, and other impregnated anti-rust oils are sealed in plastic bags. If damage to the sealing sleeve, loss of wrapping paper, loss of rust-proof oil or paraffin is found during purchase, it shall be returned.
7. See if the rotating parts are flexible. When selecting an oil pump or other rotating parts assembly, turn the pump shaft by hand and feel that there is no slippage; when choosing the rolling bearing, one hand supports the inner ring of the bearing, the other hand turns the outer ring, and the outer ring should be able to rotate freely, and then Gradually stop. If the rotating parts do not rotate smoothly, it means that the internal corrosion or deformation, do not buy.
8. Look for missing parts in the assembly. The formal assembly components must be fully in order to ensure the smooth assembly and normal operation of Beijing traffic violation inquiries. The missing individual parts on some assembly components will make the assembly components unable to work or even be scrapped.
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