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Mercury MerCruiser 3.0 MPI User Manual

Mercury MerCruiser 3.0 MPI
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SECTION - 9 PREDELIVERY PREPARATION AND STORAGE
90-899883183 DECEMBER 2007 Page 17 / 24
3. Close the fuel shut off valve, if equipped. Disconnect and plug the fuel inlet fitting if not
equipped with a fuel shut off valve.
4. Connect the remote fuel tank (with the fogging mixture) to the fuel inlet fitting.
IMPORTANT: Supply cooling water to the engine.
5. Start and operate the engine at 1300 RPM for five minutes.
6. After the specified operating time is complete, slowly return the throttle to idle and shut the
engine off.
IMPORTANT: Ensure that some fogging mixture remains in the engine. Do not allow the engine's
fuel system to become completely dry.
7. Replace the water separating fuel filter element. Refer to Section 5.
Draining the Seawater System
!
CAUTION
Water can enter the bilge when the drain system is open, damaging the engine or causing the
boat to sink. Remove the boat from the water or close the seacock, disconnect and plug the
seawater inlet hose, and ensure the bilge pump is operational before draining. Do not operate
the engine with the drain system open.
IMPORTANT: Only drain the seawater section of the closed cooling system.
IMPORTANT: The boat must be as level as possible to ensure complete draining of the cooling
system.
Your power package is equipped with a drain system. Refer to Drain System Identification to
determine which instructions apply to your power package.
IMPORTANT: The engine must not be operating at any point during the draining procedure.
Single‑Point Drain System
!
CAUTION
Disconnecting the blue drain hoses can cause serious burns due to hot water. Check all hose
connections before operating the engine and never disconnect the hoses until the engine has
had suffient time to cool.
NOTICE
If the boat is at rest in the water with the engine off, an open seacock or water inlet hose could
introduce water into the engine's cooling system or the boat. Keep the seacock or water inlet
hose plugged until ready to start the engine. Attach a tag to the ignition switch or steering wheel
to inform others of the water inlet connection.
IMPORTANT: Do not start or operate the engine at any point in this procedure.
1. If draining with the boat in the water, close the seacock '(if equipped) or remove and plug the
water inlet hose. If draining with the boat out of the water, place it on a level surface to drain
completely.
2. Turn on the bilge pump.

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Mercury MerCruiser 3.0 MPI Specifications

General IconGeneral
BrandMercury
ModelMerCruiser 3.0 MPI
CategoryEngine
LanguageEnglish

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