57
CC1034
Cold Weather Or Extended Storage
Power Package Lay Up
IMPORTANT: Mercury MerCruiser strongly recommends that this service be performed by an
Authorized Mercury MerCruiser Dealer. Damage caused by freezing IS NOT
covered by the Mercury
MerCruiser Limited Warranty.
WARNING
Avoid Fire or Explosion: Ensure that engine compartment is well ventilated and no gasoline vapors
are present during the following operation to prevent a potential fire hazard.
WARNING
BE CAREFUL while working on fuel system; gasoline is extremely flammable and highly explosive
under certain conditions. Be sure that ignition key is OFF and do not smoke or allow sources of spark
and/or open flames in the area.
WARNING
Avoid Fire or Explosion: Fuel injection system is pressurized during operation. Use care when remov-
ing water separating fuel filter. Fuel could spray on hot engine causing fire or explosion. Allow engine
to cool down before attempting to remove the water separating fuel filter in the following procedure.
Also, hold a clean shop towel over the water separating fuel filter when removing it, to help avoid fuel
spraying on the engine.
CAUTION
DO NOT operate engine without water flowing through seawater pickup pump, as pump impeller may
be damaged and subsequent overheating damage to engine may result.
IMPORTANT: Before starting engine, a water source must be attached to the seawater pickup pump.
Follow all warnings and flushing attachments procedures stated, in FLUSHING COOLING SYSTEM.
1 Fill fuel tank with fresh gasoline that does not contain alcohol and a sufficient amount of Quicksilver Gasoline
Stabilizer for Marine Engines to treat gasoline. Follow instructions on container.
2 If boat is to be placed in storage with fuel containing alcohol in fuel tanks (if fuel without alcohol is
not available): Fuel tanks should be drained as low as possible and Quicksilver Gasoline Stabilizer for
Marine Engines added to any fuel remaining in the tank. Refer to Fuel Recommendations for additional
information.
NOTE: If desired, a portable fuel tank can be used to perform the remainder of the power package layup
procedures. Be sure to add an appropriate amount of Gasoline Stabilizer to the portable tank.
3 Operate engine sufficiently to bring it up to normal operating temperature and allow fuel with Quicksilver
Gasoline Stabilizer to circulate through fuel system. Shut off engine.
4 Change oil and oil filter. Refer to changing crankcase oil.
5 Flush cooling system. Refer to Flushing Cooling System.
6 Close the fuel shut-off valve, if equipped. If no fuel shut-off valve is present, a suitable method must be
employed to STOP the flow of fuel from the fuel tank to the engine before proceeding.
7 Prepare fuel system for extended storage as follows:
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