51
CC926
Cold Weather Or Extended Storage
Power Package Lay Up
ALL MODELS
IMPORTANT: MerCruiser strongly recommends that this service should be performed by an Authorized
MerCruiser Dealer. Damage caused by freezing IS NOT
covered by the MerCruiser Limited Warranty.
WARNING
Be sure 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 un-
der 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.
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 Follow instructions “a” or “b” depending on type of fuel available during layup:
A If boat is to be placed in storage with fuel in fuel tanks that does not contain alcohol: Fill fuel tank(s)
with fresh gasoline that does not contain alcohol and a sufficient amount of Quicksilver Gasoline Stabiliz-
er for Marine Engines to treat the gasoline. Follow instructions on container.
B If boat is to be placed in storage with fuel in fuel tanks that does contain alcohol (if fuel without
alcohol is unavailable): Fuel tanks should be drained as completely as possible and Quicksilver
Gasoline Stabilizer for Marine Engines added to any fuel remaining in the tank. Follow instructions on
container.
NOTE: If desired, a portable fuel tank can be used to perform the remainder of the power package lay up proce-
dures. Be sure to add an appropriate amount of Gasoline Stabilizer to the portable tank.
2 Replace the water separating fuel filter as outlined in “Changing Water Separating Fuel Filter.”
3 Supply water to the seawater pickup pump as outlined in “Flushing Cooling System.”
4 Start the engine and check for fuel leaks. If leaks exist, stop engine immediately. Recheck filter installation.
5 Start the engine. Operate at idle RPM until it reaches normal operating temperature and the fuel stabilizer
has been circulated. Shut off the engine.
6 Change the engine oil and filter.
7 If boat has been operated in salty, polluted or mineral-laden waters, flush cooling system as outlined in
“Flushing Cooling System.”
8 Proceed to the following instructions appropriate for your model for additional fuel system preparation.
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