Sterndrive Water Pickups - MerCruiser SeaCore 5.0 User Manual

Sterndrive Water Pickups

This Mercury MerCruiser sterndrive is equipped with side water pickups. Side pickups
require the flushing attachment (44357Q 2).
NOTE: Flushing is needed only for salty, brackish, mineral‑laden, or polluted water
applications. Flushing is recommended after each outing for best results.
Flushing the engine with the boat in the water can cause seawater to flow into the engine,
resulting in engine damage. Close the seacock before flushing the engine. Keep the
seacock closed until starting the engine.
1. On seawater cooled models: Proceed to Step 5. or Step 6.
NOTE: Closed cooled models are equipped with a heat exchanger on the side of the
engine.
2. If flushing the cooling system with the boat in the water:
a.
b.
c.
3. If flushing the cooling system with the boat out of the water:
a.
Rotating propellers can cause serious injury or death. Never operate the boat out of the
water with a propeller installed. Before installing or removing a propeller, place the drive
unit in neutral and engage the lanyard stop switch to prevent the engine from starting.
Place a block of wood between the propeller blade and the anti‑ventilation plate.
b.
c.
4. Connect hose between flushing attachment and water source.
5. With sterndrive in normal operating position, open the water source completely.
6. Place the remote control in the neutral idle speed position and start engine.
90-899883169 DECEMBER 2007
Side Pickup
Raise the sterndrive to trailer position.
Install the appropriate flushing attachment over the water inlet holes in the gear
housing.
Lower sterndrive to full down/in position.
Lower sterndrive to full down/in position.
Remove propeller.
Install the appropriate flushing attachment over the water inlet holes in the gear
housing.
5773
NOTICE
WARNING
!
Section 5 - Maintenance
Page 107