Mercury MerCruiser Axius 350 MAG, User Manual, Page: 129 / 151

Section 6 - Storage
90-864197084 NOVEMBER 2008 Page 121
a - Water circulating pump hose
b - Fuel cooler to thermostat housing
a - Check valve (if equipped)
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.
a - Actuator fitting
b - Green indicators
c - Manual release valve
d - Air pump
e - Lever (locking)
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.
a
b
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a
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b
d
e
a
c