1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 101Get this manual
Fuel Pump ReplacementAll Models INotel On 155 models, fuel pumps have internal differencesDo not interchange their position when installing1Remove and discard tie-straps from fuel pump hosesModels using hose clamps use OMC Special Tool PIN 325043 (Hose Clamp Wrench) to release clampsRemove the hoses from the fuel pump, observing hose locations for reassembly2Remove the fuel pump mounting screwsIf equipped with gasket, discard the gasket3Connect 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 Special Tool PIN 323716 (TieStrap nstallation Tool)4Remove all old adhesive from fuel pump mounting screwsApply OMC Screw Lock to the threads of the screwsIf gasket is required between the fuel pump and the crankcase, install new gasketTighten the mounting screws to torque of 2,8-4,4 Nm (24-36 inIbs5If removed, install the cover with lip of screen facing the fuel pumpTighten the outer screw to torque of 1,1-1,7 Nm (10-15 inIbsBe sure the hose is fully engaged on the fuel cover nipple and secure the hose with new tie-strapCheck for leaks by connecting fuel tank line to motor squeezing primer bulb until definite pressure is felt in the bulb