Engine And Fuel System Preparation - Mercury Inboard 5.7L Manual

ENGINE AND FUEL SYSTEM PREPARATION

Avoid serious injury or death from a gasoline fire or explosion; gasoline is extremely
flammable and highly explosive under certain conditions. When servicing the fuel system
components ensure that the engine is cool, the ignition switch is in the off position, and
that the lanyard stop switch, if equipped, is in the off position. Do not smoke or allow spark
or open flame in the area. Wipe up any spilled fuel immediately. Ensure that no fuel leaks
exist before closing the engine hatch.
Fuel vapors can be present in the engine compartment. Avoid injury or power package
damage caused by fuel vapors or explosion. Always ventilate the engine compartment
prior to servicing the power package.
1. Prepare carbureted fuel system for extended storage as follows:
a.
b.
c.
d.
e.
Tube Ref No.
f.
2. Refer to Flushing the Power Package and appropriately remove the water supply the
the seawater pickup pump.
3. Clean the flame arrestor and crankcase ventilation hoses and reinstall.
4. Lubricate all items listed in the Lubrication section.
5. On models with closed cooling systems: Test coolant to ensure that it will withstand the
lowest temperature expected during storage.
6. Clean the outside of the engine and repaint any areas required with Mercury/
Quicksilver Light Gray Primer and Phantom Black Paint. After paint has dried, wipe
down the outside of the engine with Corrosion Guard.
Tube Ref No.
7. Replace the fuel filter. Refer to the Maintenance section for proper procedure.
90-860174050 JUNE 2005
Start engine.
Remove flame arrestor assembly.
Close the fuel shut off valve, if equipped. Disconnect and plug the fuel inlet line if
not equipped with a fuel shut off valve.
While operating engine at fast idle (1300 RPM), fog internal surfaces of induction
system and combustion chambers by spraying approximately 227 g (8 oz.) of
Mercury/Quicksilver Storage Seal or SAE 20W engine oil into carburetor bores.
Spray the remaining 57 g (2 oz.) of Storage Seal (or oil) rapidly into carburetor,
just as the engine begins to stall, due to lack of fuel. Allow engine to stop.
Description
Storage Seal Rust Inhibitor
119
Turn ignition key to "OFF" position.
Description
Corrosion Guard
120
WARNING
!
WARNING
!
Where Used
Carburetor
Where Used
Outside of engine
Storage
Part No.
92-802878-56
Part No.
92-802878-55
Page 61