SOFTWARE GP 3954982 - Caterpillar

Bearing Replacement
Refer to the appropriate publication for each specific generator for bearing replacement procedures.Replace both bearings of a two-bearing generator.Replace any bearing wear sleeves and lip seals when the bearings are replaced.Except for the 341-7383 Ball Bearing, replacement bearings are pre-lubricated. The pre-lubricated bearings do not require more grease at time of replacement. The 341-7383 Ball Bearing is shipped as a dry bearing. The 341-7383 Ball Bearing must be packed to 50% grease fill at time of installation.Old grease must be removed at the time of bearing replacement from the bearing bracket cavity. After the bearing bracket cavity is cleaned, the bearing bracket cavity must be packed with new grease from one-third to one-half full.Note: Generator set alignment is required after the bearings are replaced.Additional Information
Refer to Special Instruction, REHS4892, "Generator Bearing Service" for further information.