pstock you are almost there as far as disambly goes. Remove the white plastic bearing seperator slide the balls toghter the axel should move enough to get the balls out. To reassemble grease ,put the balls in, spread them out ,and press the seperator back in. As for the drive side look in the shell if the balls are visible flush out with solivent. go to the farm supplu or auto parts store get a needle atachment for a greese gun slide it under the seal and regrease, reassemble the non drive side.