1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 91Get this manual
Fuel Pump Replacement 1Remove and discard tie straps from fuel pump hosesModels using hose clamps use OMC Hose Clamp Wrench PI 325043 to release clamps Remove the hoses from the fuel pumpobserving hose locations for reassembly2Remove the fuel pump mounting screwsIf equipped with gasket, discard the gasket3 Connect the hoses to the fuel pumpBe sure the hoses are fully engaged on the fuel pump nipplesSecure the fuel hose with new tie straps using OMC Tie Strap Installation Tool PI 3237164Remove all old adhesive from fuel pump mounting screwsApply OMC Locquic Primer and OMC Nut Lock to the threads of the screwsIf gasket is required between the fuel pump and the crankcase, install the gasketTighten the mounting screws to torque of 24-36 inIbs(2,8-4,4 Nm)5If removed, install the cover with lip of screen facing the fuel pumpTighten the outer screw to torque of 10-15 in Ibs(1 ,11,7 Nm)Be sure the hose is fully engaged on the fuel cover nipple and secure the hose with new tie strap