Cleaning and inspection of bearing pedestal
The bearing seat should also be thoroughly cleaned before installation. The inner cavity of the bearing pedestal is scraped away with a scraper, and the dirt is cleaned with a cloth dipped in gasoline or solvent to see if there are any cracks or sand holes, so as to prevent oil seepage in operation. Bearing cap and bearing pedestal joint surface, bearing pedestal and bearing oil baffle joint surface shall be grinded and scraped together, and checked with a plug ruler, its clearance shall not be greater than 0.03 mm.
The bottom plate surface of the bearing pedestal should also be cleaned, and there should be no bruises, rust and burrs. He shall carefully check the screws and plate threads fastening the bearing seat, and try to screw them to check if they are too tight or bald.