Multi-Point Drain (Mpd) System; Air Actuated Single Point Drain System; Boat In The Water - MerCruiser Scorpion 350 User Manual

MULTI-POINT DRAIN (MPD) SYSTEM

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.
90-899883175 DECEMBER 2007
b
a
a - Side of cylinder block
Fuel cooler to thermostat housing
a
a - Check valve (if equipped)
b
a
b - Bottom of exhaust manifolds
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Section 6 - Storage
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