TM9-2815-202-34 6-38.  TURBOCHARGER   REPAIR   (Cont) (11) (12) Slide  thrust  plate  assembly  (50)  over rotor assembly (31 ). Aline holes in thrust plate assembly with holes in center  housing  assembly  (12). Install three locking plates (34) and (13) (14) (15) (16) (17) (18) six bolts (35) securing thrust plate assembly  (50)  to  center  housing assembly (12). Torque bolts to 80-100  lb-in  (9-11.4  N-m). NOTE Back plate shim comes in a 0.010 inch  thickness. Push  rotor  assembly  (31)  toward compressor  end  of  turbocharger. Using  feeler  gage,  measure clearance  between  rotor  assembly and back plate (43). Repeat steps (2) thru (12) to add or remove shims (44) until  clearance  is  between  0.020  to 0.030  inch. Bend up tangs on locking plates (34) against heads of bolts (35). Install  fabricated  sleeve  (51)  over shaft of rotor assembly (31) and against face of thrust collar (38). Sleeve  length  is  2.125  inches. Secure  rotor  assembly  and  center housing assemblv  (12) in place with washer  (30) and nut (29). Tighten nut securely. Using  dial  indicator  (52),  measure axial play of rotor assembly (31). Play should be 0.005 to 0.010 inch. Remove nut (29), washer (30), and sleeve  (51). Install diffuser shims (33) and diffuser (27)  on  center  housing  assembly  (12) and secure with four nuts (25) and four Iockwashers (26). Torque nuts to 150-200  lb-in  (17-22  N-m). 6-50