
STORAGE
SECTION 6
Page 132 CMD-4081850 / 90-860094030 SEPTEMBER 2003
00000 was CD927 w / changes
IMPORTANT: Cummins MerCruiser Diesel recommends that propylene glycol
antifreeze (nontoxic and biodegradable, which makes it friendly to lakes and rivers)
be used in seawater section of the cooling system for cold weather or extended
storage. Make sure that the propylene glycol antifreeze contains a rust inhibitor and
is recommended for use in marine engines. Be certain to follow the propylene glycol
manufacturer’s recommendations.
16. Fill a container with approximately 5.6 liter (6 U.S. quarts) of propylene glycol antifreeze
and tap water mixed to manufacturer’s recommendation to protect engine to the lowest
temperature to which it will be exposed during cold weather or extended storage.
17. Disconnect hose from seawater pump connector fitting. Using an adaptor, temporarily
connect an appropriate length piece of hose to seawater pump and place the other end
of the hose into container of coolant.
75299
a
b
Typical
a-Inlet Hose
b-Connector Fitting
18. Start the engine and operate, at IDLE speed, until antifreeze mixture has been pumped
into engine seawater cooling system.
19. Stop the engine.
20. Clean the engine.
21. Coat the engine with Quicksilver Corrosion Guard or equivalent corrosion inhibiting oil.
22. Lubricate all items outlined in Maintenance - Lubrication.
23. Perform all checks, inspections, lubrication and fluid changes outlined in the
Maintenance Schedules.
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