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Mercury 4.5L User Manual

Mercury 4.5L
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16. Before launching the boat, pull up on the manual release valve. Verify that the green indicators are no longer extended.
a - Green indicators
17. Open the seacock, if equipped, or unplug and connect the water inlet hose prior to operating the engine.
Air Actuated Single‑Point Drain System (Bravo Standard Cooling)
The following instructions apply to draining procedures performed on engines in vessels that are in the water. For vessels that
are not in the water, you do not need to close the seacock (if equipped) or remove and plug the water inlet hose.
1. Close the seacock (if equipped) or remove and plug the water inlet hose.
2. Remove the engine front cover by pulling it up.
55105
3. Remove the blue plug from the engine block crossover.
4. Remove the cap from the air actuated valve assembly.
a - Blue plug
b - Cap
5. Ensure that the lever on top of the pump is flush with the handle (horizontal).
a
6135
a
b
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Section 5 - Storage
Page 92 90-8M0128973 eng MAY 2017

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Mercury 4.5L Specifications

General IconGeneral
BrandMercury
Model4.5L
CategoryEngine
LanguageEnglish

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