2. Check that the pointer and coupling mark (S) are lined up. If this is out of alignment, perform fuel injection pump timing adjustment. 1—Pointer mark (marking) mark (marking) 4—Coupling TX1006958 –UN–26APR06 Continued on next page MD46667,00000A7 –19–08JUN06–2/4 TM2361 (24JUN08) 9010-25-2 450DLC Excavator Operation and Tests 062608 PN=298 Tests Check and Adjust Injection Pump Timing CAUTION: To prevent accidental starting of engine while performing check and adjust injection pump timing always disconnect Negative (-) battery terminal. 1.
Rotate the crankshaft forward, normal direction, and line up the flywheel carved line with the dynamic pointer so that the number one cylinder reaches the –UN–26APR06 compression top dead center. 006957 9010 25 2 TX1 MD46667,00000A7 –19–08JUN06–1/4