How to Identify Sewage Pumps

First, the original sewage pump manufacturers of the product packaging are generally more standardized, clear and formal writing, a detailed product name, model, registered trademark, factory name, site and telephone number; fake accessories are generally coarse packaging Male, site, factory name printed is not clear, incomplete.
Second, the qualified pump surface smooth, work well. The more important parts, the higher the processing accuracy, the more strict anti-rust packaging. If parts are found to have rust spots or rubber parts cracking, loss of flexibility or journal surface machining lines, should not be the original parts.
Third, the appearance of poor quality pump sometimes good. But because of the production process is poor, easy to damage, purchase, as long as the observation of accessories side, angle and other hidden parts, you can see the quality of the parts process.
Fourth, some of the pumps are refurbished waste parts, then as long as the surface paint can be found after dialing the old parts of the paint, this pump is best not to use. Important parts such as the brake system, running system accessories If you use such a renovation, it is prone to danger.
Fifth, buy the spare parts loaded into the car, to see and can not and it accessories with a good mix. The general original parts can be a good ration to the car, and inferior parts because the process is not refined, processing error is large, so it is difficult with the good parts.
Sixth, in order to ensure that the pump assembly relationship with the technical requirements, some formal parts of the surface is engraved with the assembly mark, used to ensure the correct installation of parts, if no mark or mark fuzzy unrecognizable, is not qualified accessories.
Seventh, the regular pump assembly, components must be complete and complete, in order to ensure smooth loading and normal operation. Some parts of the small parts on the missing, it is easy to start loading difficult, this kind of accessories may be counterfeit parts.
Eighth, some important accessories, especially the assembly class, the factory usually with instructions, certificate, in order to guide the user to install, use and maintenance, fake assembly generally do not have detailed installation instructions to guide these.