Lincoln 8E5Z-6600-A Pump Assembly - Oil

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Remove the oil pick-up tube, which is held by two mounting bolts.

Place the sprocket on the pump back into the chain, then raise the rear of the pump and install the mounting bolts. Tighten the bolts evenly.

The special washers must be placed back in their original positions to maintain engine timing.

10. Rotate the oil pump inner rotor so it aligns with the flats on the crankshaft. Install the oil pump over the crankshaft and fit it firmly against the cylinder block. 11. Install the oil pump bolts and tighten by hand until snug. Tighten the bolts gradually and evenly, in sequence, to the specified torque. 12. Install the remainder of the components in the reverse order of removal. 13. Fill the engine with fresh engine oil. Install a new oil filter. Refill the cooling system. 14. Start the engine and check for leaks.

4. Remove the oil pump cover from the oil pump body. 5. Note any identification marks on the rotors and withdraw the rotors from the pump body. 6. Thoroughly clean and dry the components. 7. Inspect the rotors for obvious wear or damage. If either rotor, the pump body, or the cover is scored or damaged, the complete oil pump assembly must be replaced. 8. If the oil pump components are in acceptable condition, dip the rotors in clean engine oil and install them into the pump body with any identification marks positioned as noted during disassembly. 9. Install the cover and tighten the screws securely.

Use a straight-edge and feeler gauges to ensure the pump is centered around the crankshaft and aligned squarely.