TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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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