The rotors of diesel generators generally use rolling bearings, which are lubricated with grease. Usually, the universal diesel generator uses ZGN-3 calcium-based grease, and the moist heat type diesel generator uses ZL-3 lithium-based bearing grease. Under normal circumstances, when the diesel generator runs continuously for about 1500h, the grease should be replaced to ensure the normal operation of the diesel generator . The working quality of the bearing directly affects the operation reliability of the diesel generator, so we should pay attention to maintenance. The intact bearing is measured with a thickness gauge under field conditions. The matching clearance between the inner and outer circles of the bearing and the ball (column) is appropriate, and no shaking can be detected. The appearance of each part is good: no damage, no corrosion, no cracks, good roundness and surface roughness of the rolling contact surface, when holding the inner ring to dial the outer ring, the ...
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