Air Actuated Single Point Drain System; Boat In The Water - Mercury 350 MAG Manual

Section 6 - Storage

Air Actuated Single Point Drain System

Boat in the Water

NOTE: This procedure is written for the air pump that is attached to the engine. However, any air source can be used.
1. Close the seacock (if equipped) or remove and plug the water inlet hose.
2. Remove the air pump from the engine.
3. Ensure that the lever on top of the pump is flush with the handle (horizontal).
4. Install the air pump on the actuator fitting.
5. Pull lever on air pump (vertical) to lock pump on the fitting.
c
b
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.
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a
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8293
Actuator fitting
Green indicators
Manual release valve
Blue air pump
Lever (locking)
90-8M0050539 MAY 2011
eng