1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 410Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 410

2Inspect pump body and cover for cracks or excesshe wear3Inspect pump gears for damage or excessive wear4Check drive gear
pickup screen and pipe assembly for damage to screen, pipe or relief grommetFigure 2Installing Screen Check pressure regulator
valve for fitNOTE: Pump gears and body are not serviced separatelyIf pump gears or body are damaged or wornreplace entire