TM2361 (24JUN08) 9010-05-16 450DLC Excavator Operation and Tests 062608 PN=264 Theory of Operation Exhaust Gas Recirculation (EGR) Operation 9 8 10 2 12 4 6 11 1 B60 3 5 7 M3 A1 B1 B2 B4 B3 B7 –UN–24JAN06 B12 TX1002948 TX1002948 Exhaust Gas Recirculation Operation Continued on next page JC89288,0000038 –19–30JAN06–1/2 9010 05 16