hitachi ex60 urg center joint repair need some help.

hello i am having a problem with the hitachi ex60urg leaking hydraulic fluid out of the swing bearing the hydraulic fluid is pushing all the grease out of swing bearings. there is alot of hydraulic fluid all over the lower body. at first i thought it may be a bad seal in the swing motor however the gear oil level seems to be ok about 2" gear oil on the dip stick and holding. so im focusing on the center joint that is what im thinking is the problem. i found a seal kit for this unit how...

hitachi ex60 urg center joint repair need some help.

hitachi ex60 urg center joint repair need some help.