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What are the precautions for the installation of seals

by:ORK      2022-11-17
Precautions for the installation of the five-combination oil seal seal: The function of the seal is to close the gap where the oil overflows in the tank, and prevent dust, sand and other dirt from invading the inside of the tank, but if installed or used improperly, it is easy to cause oil leakage. , affecting the normal work of the machine, causing burnt bearings, broken gears, broken drive shafts or other serious failures. (1) Before installing the oil seal, it is necessary to check whether the surface of the journal is too rough and whether there are scars, especially whether there are long scars along the axial direction. If the surface of the journal is too rough, it is easy to damage the oil seal or accelerate the wear of the lip 1:3, destroying its sealing performance. If the surface of the journal has serious blunt impact scars due to improper disassembly and assembly, the oil seal lip will not fit tightly with the surface of the journal, resulting in oil leakage. In the above two cases, after surfacing the scar part, it can be turned on a lathe according to the specified journal size, or a new shaft can be replaced. If the journal has only metal burrs or burrs on the shaft head, etc., it can be smoothed with a file to prevent damage to the oil seal lip when installing the oil seal. Five combination oil seals (2) Check whether the lip of the oil seal is broken, cracked or oily and corroded. If these bad phenomena are found, a new oil seal should be replaced. (3) When installing the skeleton oil seal, in order to prevent the oil seal lip 121 from being stretched, deformed or damaged by scratches, special installation tools must be used. If there is no such tool, the following method can be used for installation: first, roll a layer of transparent hard plastic film (commonly known as cellophane) on the journal and even the shaft head, apply a little oil on its surface, and put the oil seal into the plastic wrap. The shaft head of the film, push the oil seal slowly to the shaft journal with even force, and then pull out the plastic film. Note: Do not install the lip in the wrong direction, it should face the inner side where the oil is stored, and the side with the trademark and specification should face the outer side. Because the lip 1:3 can only seal in one direction, if the oil seal is reversed, it will inevitably cause oil leakage, and the sealing effect will be weakened or invalid. Avoid twisting the oil seal or knocking it hard on the surface of the oil seal with tools such as a hammer, otherwise the oil seal will be easily damaged. Company website: https://www.orksealing.com/
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