The Boat In The Water - MerCruiser Tow Sports 5.7 MPI User Manual

Section 5 - Maintenance
12. Immediately shut off the supply water and remove the flushing attachment.
13. Install the water inlet hose to the seawater inlet of the seawater pump or V‑Drive water
inlet.
14. Tighten hose clamp securely.
15. Attach to the next engine, if equipped, and repeat procedure.

The Boat In the Water

IMPORTANT: Flushing the power package is most effective when performed with the boat
out of the water.
IMPORTANT: Flushing is needed If the engine package has been operated in salty,
brackish, mineral‑laden or polluted water. For best results flushing is recommended after
each outing and before cold weather and extended storage.
Disconnecting the seawater inlet hose will cause water to enter the bilge resulting in
engine damage. Close the seacock before disconnecting the seawater inlet hose. Plug
the seawater inlet hose immediately after disconnecting it.
1. Models with Walter V-Drive Transmissions:
a.
Disconnecting the seawater inlet hose will cause water to enter the bilge resulting in
engine damage. Close the seacock before disconnecting the seawater inlet hose. Plug
the seawater inlet hose immediately after disconnecting it.
b.
c.
d.
2. All other models:
a.
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Close the seacock, if equipped, and then disconnect the seawater inlet hose from
the transmission seawater inlet fitting.
If not equipped with a seacock, disconnect the seawater inlet hose from the
transmission seawater inlet fitting and immediately plug the seawater inlet hose
to prevent water from siphoning into the engine or boat.
Using suitable adapter, connect the flushing water hose to the transmission
seawater inlet fitting.
Proceed to step 3
Close the seacock, if equipped, and then disconnect the seawater inlet hose from
the seawater pump inlet fitting.
NOTICE
NOTICE
6091
90-865253073 DECEMBER 2007