Section 6 - Storage
Page 72
90-8M0061999
eng
MAY 2012
2. Remove the two blue drain plugs from the seawater pickup pump (front, starboard side).
a -
Starboard side blue
drain plugs
b -
Port side blue drain
plug
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 the 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 level surface to ensure complete draining of the system.
2. Remove two blue drain plugs from the seawater pickup pump (front, starboard side).
a -
Starboard side blue
drain plugs
b -
Port side blue drain
plug
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 the 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 two blue drain plugs.
Draining Water from the Cool Fuel Module
Mercury MerCruiser recommends draining the Gen 3 Cool Fuel Module if it is equipped with a drain plug.
1. Remove the drain plug from the Gen 3 Cool Fuel Module and allow the water to completely drain from the module.
2. Inspect the drain plug and the O‑ring for damage. Replace if needed.
a
b
a
50412
a
b
a
50412