Some operators believe that changing parts is very simple, and it is enough to install damaged parts. In actual fact, if it is improperly assembled, the power will drop, the fuel consumption will increase, the start-up will be difficult, and the weight will damage the machine. Therefore, the replacement of new parts is stressful:
1. When buying new parts, pay attention to the quality of the parts and identify the defective parts. Carefully inspect the parts for defects such as rust, cracks, and deformation, and if the surface dimensions meet the requirements.
2. The anti-rust paint on the surface of new parts should be cleaned before assembly, especially for precision parts, so as to avoid potential accidents.
3, the deformation of the product is not universal, some diesel engine factory produce the same type of deformation products, its parts are not universal.
4. Replace some fittings in pairs. If the gear is replaced, it is not possible to replace only the one with the more serious wear; when replacing the double-row sleeve roller chain in the gearbox, replace the main and driven sprocket in pairs; when replacing the cylinder sleeve, replace the piston at the same time. Piston rings.
5, the same model standard parts and increase parts are not universal. Manufacturers will choose to increase the size of spare parts for the user to repair, therefore, when buying accessories must be purchased parts are standard or enlarged parts. Such as standard parts, journals can only be equipped with standard crankshaft watts, otherwise, scraping a large amount of processing when the bearing bush, not only a waste of time, it can not guarantee the quality of repair, but also greatly reduce the service life.
6. When replacing new parts, make the new and old parts of the model exactly the same. When some pilots replaced the new injectors, they did not pay attention to the original injector specifications and models, and often mistakenly purchased the needle valves.
7, must pay attention to the direction of the installation. Some parts have directionality. If you do not pay attention to it, it will cause difficulty in starting after installation, or even damage the parts.
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For customer`s needs, OEM service is also acceptable. If you have a good idea in new product production but lack of laboratory device and human resource, we are glad to solve this problem for you. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
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