8. TURBOCHARGER (8) Bearing housing (15) 1) Inspect the housing for cast surface exfoliation due to oxidation and degradation, dent or crack. 2) Inspect circlip (16) for chipping or crack, and replace with a new one if defective. 3) Measure the (B) and (F) portions of the bearing housing shown in the figure below. Replace with a new one if either wear limit is exceeded. Wear limit of bearing housing inside diameter (B) RHB51......12.42 mm RHB31......10.01 mm Wear limit of turbine side seal ring insert- ing portion (F) RHB51......15.05 mm RHB31......11.03 mm (9) Seal plate(4) 1) Inspect the seal plate for any contact trace, joint surface defect, dent or crack. Replace it if defective.
2) Measure the seal ring inserting dimensions (H1 and H2) on the compressor side, and replace the seal ring with a new one if either wear limit is exceeded. Wear limits RHB51......H1: 12.45 mm, H2: 10.05 mm RHB31......H1: 10.04 mm, H2: 8.01 mm (10)Seal rings Replace seal rings with new ones. (11)Inspect keep plates (10), (13) and bolts for any deformation, and replace defective parts with new ones. Also replace M3 Torx machine screws with new ones. 82E-5 – 98E-5 SERIES 8-15