COLD WEATHER OR EXTENDED STORAGE
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a - Exhaust header balance
rail plastic wing‑nut plugs
(2, Starboard side)
b - Fuel cooler plastic
wing‑nut plug
c - Sea water inlet hose ‑
remove from sea pump to
drain
d - Exhaust header
distribution rail plastic
wing‑nut plugs (2, Port
side, one plug is hidden)
e - Transmission cooler ‑
remove hose to drain
f - Power steering cooler
plastic wing‑nut plug
3. Use a stiff piece of wire to clean out any seawater debris from
the drain holes. Do this until the entire system is drained.
4. Lift or bend the hoses to allow water to drain completely.
5. After draining the seawater cooling system, reinstall the drain
plugs.
6. Reconnect the hoses and tighten all hose clamps securely.
USING ANTIFREEZE
For additional protection against freezing and rust in the engine
seawater cooling system when preparing for cold weather or
extended storage, antifreeze containing a rust inhibitor can be run
through the seawater cooling system. Perform the following
procedure for this added protection.
NOTE: A nontoxic and environmentally safe ethylene glycol
antifreeze containing a rust inhibitor must be used when preparing
the seawater portion of the cooling system for cold weather or
extended storage. Be certain to follow the manufacturer's
recommendations.
1. Place approximately 2 gallons of premixed antifreeze into an
appropriate container that will allow the seawater inlet hose to
be placed into the container.
2. If the boat is in the water, close the seawater inlet valve.
3. Loosen the hose clamp and remove the seawater inlet hose
from the downstream side of the valve.
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