What to pay attention to when replacing accessories:

Attention should be paid to the replacement of accessories. First, the replacement of accessories should refer to the maintenance manual, followed by the size of the screws used, whether the assembled screws are fastened, and then the order and cleanliness of the assembly.

Attention should be paid to the repair of replacement parts:

Whether the trademarks are complete, whether the quality of the genuine outer packaging is good, whether the writing on the packaging box is clear, and whether the overprinting color is bright. The product name, specification, model, quantity, registered trademark, factory name, address and telephone number should be marked on the packing box and bag. Some manufacturers also mark their own accessories. Some important components are also equipped with instruction manuals, certificates of conformity and seals of inspectors to guide users to use and maintain them correctly. When buying, you must carefully identify them to prevent buying fake and shoddy products.

When purchasing new parts, pay attention to the quality of the parts, and identify low-quality and inferior products. Before use, carefully check whether the parts have rust spots, cracks, deformation and other defects, and whether the surface size meets the requirements. The anti-rust paint on the surface of new parts should be removed before assembly, especially precision parts, to avoid potential accidents.

Variant products are not necessarily universal, and parts of variant products of the same model produced by some manufacturers are not universal. In addition, standard parts and enlarged parts of the same model are not universal.

Some replacement parts should be replaced in pairs.

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