Section 5 - Maintenance
90-899883154 JANUARY 2008
Page 107
2. Remove the two blue drain plugs from the seawater pickup pump (front, starboard side).
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Blue drain plug locations
3. Verify that water is draining from each opening.
4. Allow the system to drain for a minimum of five minutes. Mercury MerCruiser
recommends leaving the drain system open while transporting the boat or while
performing other maintenance to ensure that all water is drained.
5. For DTS engines, pull the lanyard stop switch (if equipped), or disable the ignition circuit
by pulling the fuse marked "CD".
6. Crank the engine over slightly with starter motor to purge any water trapped in the
seawater pickup pump. Do not allow the engine to start.
7. Prior to launching the boat or starting the engine, close the drain system by installing
the four blue drain plugs.
8. Open the seacock, if equipped, or unplug and reconnect the water inlet hose prior to
operating the engine.
BOAT OUT OF THE WATER
NOTE: Use this procedure if the air actuated single point drain system fails.
NOTE: It may be necessary to lift, bend, or lower hoses to allow water to completely drain
when hoses are disconnected.
1. Place the boat on a lever surface to ensure complete draining of the system.
2. Remove two blue drain plugs from the seawater pickup pump (front, starboard side).
a
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a
a -
Blue drain plug locations
3. Verify that water is draining from each opening.
4. Allow the system to drain for a minimum of five minutes. Mercury MerCruiser
recommends leaving the drain system open while transporting the boat or while
performing other maintenance to ensure that all water is drained.
5. For DTS engines, pull the lanyard stop switch (if equipped), or disable the ignition circuit
by pulling the fuse marked "CD".
