TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 5.1-36. TURBOCHARGER REPAIR (Cont) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) CAUTION Catch wheel shroud before it falls from press. Wheel shroud (16) will fall free when wheel shaft assembly is removed. Remove compressor wheel (15) from turbine wheel shaft assembly (13) by using a press. Withdraw turbine wheel shaft assembly (13) and wheel shroud (16) from center housing (2). NOTE If groove in turbine wheel shaft (13) is not present, turbocharger does not require a piston ring (17) near turbine wheel. Remove piston ring (17) from turbine wheel shaft assembly (13). Discard piston ring. Remove four bolts (18) securing backplate (5) to center housing (2). Remove backplate (5) from center housing (2) by tapping it lightly. Remove seal ring (19) from groove in center housing (2). Discard seal ring. Remove thrust spacer (20) with two piston rings (21 ) from backplate (5). Remove two piston rings from thrust spacer. Discard piston rings. Remove three self-locking screws (22) securing thrust collar (23) and thrust washer (24) to center housing (2). Discard thrust washer and self-locking screws. Remove bearing (25), bearing washer (26) and retaining ring (27) from compressor end of center housing (2). Discard retaining ring, bearing washer, and bearing. Remove outer retaining ring (28), bearing (29), bearing washer (30) and inner retaining ring (31) from compressor end of center housing (2). Discard retaining rings, bearing washer, and bearing. 5-96 Change 1