Disassembly and Assembly

1. To remove the relief valve, proceed as follows:

Oil Pressure Relief Valve:

2. Remove the threaded plug and gasket from the oil pump.

CAUTION: Oil pump pressure relief valve must be installed as shown in illustration or serious damage may occur.

3. Remove spring and relief valve.
4. Remove oil pump cover screws, and lift off cover.
5. Remove pump rotors.

Oil Pump:

6. Wash all parts in a suitable solvent and inspect carefully for damage or wear.