IMPORTANT: Installations using block off plates at the gimbal housing that use a through‑the‑hull or through‑the‑transom
pickup still require a supply of cooling water for both the sterndrive and the engine during operation.
Sterndrive Water Pickups
This sterndrive is equipped with side water inlets. Use flushing attachment (44357Q 2) for the side water inlets on the gearcase
housing.
5773
Side water pickup
NOTE: Flushing is needed only for salty, brackish, mineral‑laden, or polluted water applications. Flushing is recommended after
each outing for best results.
1. Close the seacock, if equipped. Do not remove hoses from through‑the‑hull fittings that are not equipped with seacocks.
2. Supply water to the engine seawater pump by removing the hose from the seacock or engine seawater pump at the
location shown.
3. Use a suitable adapter and connect the flushing hose from the water source to the water inlet of the seawater pump.
Seawater inlet hose connection
NOTICE
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
4. Remove the propeller.
5. Install the appropriate flushing attachment over the water inlet holes in the gear housing.
6. Lower the sterndrive to the full down/in position.
7. Connect the hose between the flushing attachment and the water source.
8. With the sterndrive in normal operating position, open the sterndrive water source.
9. Open the engine sea pump water source.
10. Place the remote control in the neutral idle speed position and start the engine.
Section 4 - Maintenance
90-8M0128973 eng MAY 2017 Page 81
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