Section 5 - Maintenance
Page 104 90-879172181 eng FEBRUARY 2011
15. Install the drain screw on the discharge seacock. Tighten the screw securely.
a - Dual hose clamps
b - Primary cooler
c - Seawater hose
d - Drain screw
NOTICE
Water trapped in the seawater section of the cooling system can cause corrosion or freeze damage. Drain the seawater section
of the cooling system immediately after operation or before any length of storage in freezing temperatures. If the boat is in the
water, keep the seacock closed until restarting the engine to prevent water from flowing back into the cooling system. If the boat
is not fitted with a seacock, leave the water inlet hose disconnected and plugged.
16. Place a tag at the helm and in the engine compartment stating that the seacocks are closed and must be opened after all
drain plugs and hoses are installed, prior to starting the engines.
Checking the Seawater Pickup on the Drive
1. Ensure that the water inlet openings for the seawater pickup are clean and not obstructed. Carefully remove any obstructions.
Do not damage the composite seawater pickup cover.
Inlet openings for seawater pickup (cavity not visible in this view)
2. Looking through the inlet openings, visually inspect the cavity between the inlet cover and the center section plate for marine
growth (shells, crustaceans, etc.). If marine growth is found in the cavity, contact your Authorized CMD Repair Facility.
Shown with cover removed for clarity
a - Seawater inlet to seacock
b - Cavity (shaded area)
c - Center section plate
d - Cover
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