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Rotate slowly until fuel just starts to flow upward into the At this instant, the 22.5 ° or 19 ° BTDC timing mark on the flywheel should be aligned with the mark in the window Add or subtract shim(s) (Item 1) [D] as needed to adjust FUEL INJECTION PUMP (Cont’d) Timing The Injection Pump Do not attempt to maintain or adjust unless I–2028–0289 Timing the injection pump is done by changing the Disconnect the number one cylinder high pressure line Disconnect the fuel shut–off linkage (Item 1) [A] from the Turn the fuel supply lever (Item 2) [A] to the ON position Install a short plastic tube (Item 1) [B] in the number one Rotate the engine in the direction shown [C]. Continue rotation until flywheel timing mark just appears NOTE: Adding or removing one shim will vary the timing by 1.5 ° . Adding shims retards timing. NOTE: The flywheel has two timing marks. The first mark to appear in the window with the ° . The first mark is used for 773 loaders. The second mark to appear ° which is used for 753 loaders. A P–04306 1 2 C P–04315 1 Rotation Direction MC–01542 19 ° 22.5 ° Rotation D P–04364 1 773 BICS Loader –7–43– Service Manual B P–04361 1 |