banks of the libhart creek | pull lines to swing motor pull all the bolts around box base and raise out if i rember right you can unbolt seal carrier and remove replace seal, most of the time there was a grove in sealing area and we put on a speedy sleeve before new seal. there is a bottom grease cover pull drain out oil scrape out grease by making a mini hocky stick that will fit threw the top hole and have one guy hold scraper while another guy rotates house if you leave bucket off ground or cap the lines you can run with out gearbox it spinns very easy re fill with grease so the bottom of the swing gear is just pushing grease all the way around then reinstall gearbox also if there is any play in swing gear then you will have to go deeper but those are known to just need a seal make sure you torque the bolts good they will loosen up |
Hitachi Excavator- Swing motor gearbox leak
