Section 6 - Storage
Page 88 90-864197070 JUNE 2007
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a
b
c
Black Scorpion Models
a - Blue air pump
b - Air manifold
c - Green indicators
d - Blue drain plug locations
8. Verify that water is draining from each opening. If not, use the Three Point Manual
Drain System instructions.
a
6133
b
a - Port side drain location b - Starboard side drain location
9. Allow the system to drain for a minimum of five minutes. Pump air as necessary to keep
the green indicators extended.
10. Crank the engine over slightly with the starter motor to purge any water trapped in the
seawater pump. Do not allow engine to start.
11. Reinstall the blue drain plug in the thermostat housing or heat exchanger.
12. Remove the air pump from the air manifold and return it to the mounting bracket.
13. Mercury MerCruiser recommends leaving the drain system open while transporting the
boat or while performing other maintenance. This helps ensure that all water is drained.
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