Static balance test day round: The smooth by grinding the same diameter make two round slide Jilin enhance sheave, fixed at the level of the modulated bench, slide the pitch to ensure that less than day long to heaven wheel axle plant and can be supported on two journal at the. The sheave has been fitted onto the shaft end slide. Since the center of gravity shifted from rotating so Tianlun. According to the calculation of the [P] approve block production value. The weights are spot-welded to the upper edge has rotated round stoppage at the day after. Sheave Installation and maintenance: the installation, strictly bearings, bearing tightness can not be too tight or too loose, and pulled the wheel, flexible operation without jamming phenomenon for the degree. After you install the lubricating oil to be upgraded sheave, observe oil scraper ring and lubrication with oil and check for loose fasteners, are pulling the wheel well before use.