Mercury 92-813054A2, Manual

Page: 72 / 97

Section 5 - Maintenance
Page 64 90-8M0069748
eng
APRIL 2012
9. After the seawater has completely drained, remove the temporary drain hose and close the heat exchanger seawater drain
valve.
10. Reconnect all seawater hoses.
11. Tighten all hose clamps to specification.
Description Nm lb–in. lb–ft
Hose clamp 5.6 50 –
Checking the Seawater Pickups
1. Ensure that the water inlet holes for the seawater pickup are clean and not obstructed.
Typical through-hull seawater pickup Typical through-transom seawater pickup
a - Water inlet holes
Cleaning the Seawater Strainer
NOTE: Visually inspect the seawater strainer through its clear cover.
NOTICE
An open seawater strainer or seacock during some service or maintenance procedures can introduce water into the boat,
causing damage or sinking the boat. Always close the water supply from the seawater pump, water inlet, or seacock when
performing service or maintenance on the cooling system.
NOTICE
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. If the boat is in the water, ensure that the engine is off and close the seacock, if equipped, or remove and plug the
seawater inlet hose.
a
a
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