Drain System Identification; Air Actuated Single Point Drain System; Manual Drain System; Boat In The Water - MerCruiser 496 MAG Owner's Manual

Section 6 - Storage

Drain System Identification

Air Actuated Single Point Drain System

a
a

Manual Drain System

a

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.
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17254
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c
8294
Port side drain location
Starboard side drain location
a - Blue drain plug locations
a - Actuator fitting
b - Green indicators
c - Manual release valve
90-899883274 MARCH 2008