1, rear-door self - priming pump casing and pump cover installation method
Work can be divided into two steps, the first step is to install the pump housing on the base; the second step is to self-priming pump rotor, pump cover, pump and other components into the pump casing assembly, and then the whole installation On the base
Assembly is the key to ensure that the impeller in the normal working position. Relying on the pump cover and the pump body with the surface to ensure that the impeller population and the seal ring on the pump body coaxiality between the pump body and the seal gasket gasket and adjust the impeller axial position of the dual role. Installation, should be installed on the gasket, and then along the axial impeller together with the pump cover pushed to the pump body, tighten the pump cover bolts, while screwing the disk drive shaft, pay attention to the impeller and the seal ring have no rub, if so, Should be promptly adjusted.
Gaskets can be made of rubber or rubber asbestos and other materials. After adjusting the gap between the ministries, you can bolt the pump cover and the pump housing together.

Auto cast iron

Auto cast iron

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