Figure 9-76. Balance of Impeller and Turbine Wheel Shaft Assembly
All parts and the work area must be free of grease and oil to avoid attracting dirt and abrasive.
Even small amounts of dirt or abrasive material will cause premature wear of the
turbocharger. Do not lubricate the bearings and thrust washers until they are ready to be
Just prior to installation, coat the washers (23), bearings (22), thrust bearing (20), thrust collar
(19), seal rings (11 and 14), and the thrust spacer (13) with lubricating oil, MIL-L-2104.
Install a new retaining ring (24) at each end of the center housing (18).
At the turbine end of the center housing (18), install a washer (23) against the retaining ring (24), install the
bearing (22), and secure with a new retaining ring (24).