1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 318Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 318

CLEANING and INSPECTION Cleaning and Inspection are same as AC fuel pump, preceding REASSEMBLY JAssemble diaphragm and oil
making sure that file marks line up4Insert new filter in filter holder CAUTI(1'1: Diaphragm must be flexed to its full stroke
while tightening cover screws, or pump diaphragm protector will not be properly centered, thereby rubbing on pump body casting