Air Actuated Single Point Drain System; Boat In The Water - MerCruiser Sterndrive 4.3L TKS Owner's Manual

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
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.
90-860171061 DECEMBER 2006
a
a - Check valve (if equipped)
a
b
a - Actuator fitting
b - Green indicators
c - Manual release valve
6131
e
d
8293
d - Air pump
e - Lever (locking)
Section 6 - Storage
Page 99