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Mercury 350 MAG - Page 139

Mercury 350 MAG
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Section 6 - Storage
90-8M0050539 eng MAY 2011 Page 131
6. Pump air into the system until both green indicators extend and water drains from both sides of the engine. The port side will
begin draining before the starboard side.
Closed Cooled Models Seawater Cooled Models
a - Blue drain plug location
b - Blue air pump
c - Air manifold
d - Green indicators
7. Verify that water is draining from each opening. If not, use the Three Point Manual Drain System instructions.
a - Port side drain location
b - Starboard side drain location
8. Allow the system to drain for a minimum of five minutes. Pump air as necessary to keep the green indicators extended.
9. Crank the engine over slightly with starter motor to purge any water trapped in the seawater pump. Do not allow engine to
start.
10. Remove the air pump from the air manifold and return it to the mounting bracket.
33144
a
b
c
d
a
d
c
33150
a
b
6133

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