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) (10) Place center housing assembly (12) in holding fixture to prevent rotating assembly (28) from turning. CAUTION Use a wrench with a double- universal joint to remove impeller nut. A fixed wrench or ratchet can side load impeller and bend shaft. (11) Remove impeller locking nut (29) and washer (30) from rotating assembly (28). ■ Discard nut. WARNING Use heat-resistant gloves when handling heated parts. Metal components will dissipate heat quickly. Burns to personnel will result. (12) Heat center housing assembly (12) at temperature of 350-375°F (177- 190 o C) for period of not longer than 10 minutes. (13) Using arbor press, press rotor assembly (31) from impeller (32). Lift center housing assembly (5) from rotor assembly. NOTE (14) (15) (16) (17) 6-46 Retain original shims for use during reassembly to obtain proper size and quantity for rotor clearance. Remove impeller (32), diffuser (27), and shims (33) from center housing assembly (12). Bend locking plates (34) away from heads of bolts (35). Remove six bolts and three locking plates securing thrust plate assembly (36) to center housing assembly (5). Discard locking plates. Remove thrust plate assembly (36), thrust plate (37), thrust ring (38), and thrust washer (39) from center housing assembly (12). Remove piston ring (40) from thrust ring (38). Discard piston ring. Change 1