Second Level Swing Assy for Hitachi Excavator EX200-2 4FE1 A frequency measuring circuit repeatedly
Baker’s notes & crumb story
Description
Second Level Swing Assy for Hitachi Excavator EX200 2 4FE1 A frequency measuring circuit repeatedly A frequency measuring circuit repeatedly monitors the generator’s shaft speed and supplies under speed protection of the excitation system 5 pairs Main Rod Bearings