The engine must stand or be locked at TDC for cylinder 1 before installation of the fuel system high pressure pump (1).
Malfunctions during operation of the engine can occur otherwise.
1 | Install a new sealing ring (3) on the fuel system high pressure pump (1) and lightly wet with clean engine oil. |
2 | Check the markings (arrows) on the drive gear (2) and on the fuel system high pressure pump (1) must be flush with each other. |
If necessary, turn gear (2). Only in this position can the crescent shaped cutout on the positioning disk be pushed past on the gear in the timing case. |
3 | Insert both rear screw/bolts into the flange for the fuel system high pressure pump (1). |
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4 | Insert fuel system high pressure pump into the crankcase (4). |
Place fuel system high pressure pump straight on the crankcase (4); in doing so note the hole pattern of the bolt holes on the crankcase (4). The gear (2) must engage in the gear (6). |
5 | Tighten fuel system high pressure pump onto crankcase (4). Engine 470.9 |