Fuel Lift Pump
Fuel Lift Pump Removal
!
WARNING
Performing service or maintenance without first disconnecting the battery can cause product damage, personal injury, or
death
due to fire, explosion, electrical shock, or unexpected engine starting. Always disconnect the battery cables from the
battery before maintaining, servicing, installing, or removing engine or drive components.
!
WARNING
Fuel is flammable and explosive. Ensure that the key switch is off and the lanyard is positioned so that the engine cannot
start.
Do not smoke or allow sources of spark or open flame in the area while servicing. Keep the work area well ventilated
and avoid prolonged exposure to vapors. Always check for leaks before attempting to start the engine, and wipe up any
spilled fuel immediately.
1.
Remove the driveshaft housing covers. Refer to Section 5A ‑ Driveshaft Housing Covers.
2.
Remove the two screws securing the fuel pump to the cylinder head cover.
3. Pull the fuel pump assembly from the cylinder head cover.
4. Remove the fuel in and fuel out hoses from the fuel pump. Be certain to capture and dispose of any excess fuel according
to local regulations.
a - Fuel pump screws (2)
b - Fuel out hose
c - Fuel in hose
Fuel Lift Pump Installation
1.
Attach the fuel in and fuel out hoses to the fuel pump assembly. Secure the fuel in and fuel out hoses with spring clamps.
2. Install the fuel pump assembly with the hoses attached into the cylinder head cover.
3. Secure the fuel pump assembly to the cylinder head cover with two screws. Tighten the screws to the specified torque.
a - Fuel pump screws (2)
b - Fuel out hose
c - Fuel in hose
Description Nm lb‑in. lb‑ft
Fuel pump screws (2) 6.0 53.1 –
Service Procedures
Page 3C-10 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017
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