On a ANNUAL basis, drain the oil from the differential by removing the drain plug at the
bottom of the differential housing. Replace the plug and refill the differential with the
lubricant specified on the lubrication chart. To the level specified above.
Drain the oil from hubs removing the fill and check plug by rotating the hub until the hole is
at the extreme low position. After draining, rotate the hub until the hole is at the check
position. Refill the hub with the lubricant specified on the lubrication chart. Refill to the level
of the bottom of the check plug.
143P/N 12261-319 REVISED: August 2012
Courtesy of Crane.Market