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Section 3 - On the Water
Drain Plug and Bilge Pump
The engine compartment in your boat is a natural place for water to collect. For this reason, boats are normally equipped with a
drain plug or a bilge pump. It is important to check these items on a regular basis to ensure that the water level does not come
into contact with your power package. Components on your engine will be damaged if submerged. Damage caused by
submersion is not covered by the Mercury Marine Limited Warranty.
Starting, Shifting, and Stopping
Vapors can ignite and cause an explosion, resulting in engine damage or severe personal injury. Do not use volatile starting
aids such as ether, propane, or gasoline in the engine air intake system.
Fuel vapors trapped in the engine compartment may be an irritant, cause difficulty breathing, or may ignite resulting in a fire
or explosion. Always ventilate the engine compartment before servicing the power package.
Before Starting the Engine
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.
IMPORTANT: Observe the following before starting the engine:
•
Provide water to the seawater pickup pump.
•
Ensure that the engine crankcase is filled to the correct level with the proper grade of oil for the prevailing temperature.
Refer to Section 4 ‑ Specifications.
•
Ensure that all electrical connections are secure.
•
Check all applicable items in the maintenance schedules and operation chart.
•
Perform any other necessary checks as indicated by your Mercury Diesel authorized repair facility or specified in your boat
owner's and operation manual.
Important Information—SmartStart
IMPORTANT: This Mercury Diesel model is equipped with SmartStart. SmartStart performs all appropriate starting operations
upon initial start switch activation. To begin the SmartStart sequence, turn the ignition key switch to the "START" position and
release, or turn the ignition key switch to the run position and press and release the start/stop switch.
Rather than holding the start button or key switch in position until the engine starts, SmartStart controls the starting process
automatically. When the start switch is activated, the system signals the engine ECM to start the engine. The starter will receive
power until the engine starts, the starting process times out after a few seconds, or when the engine reaches 400 RPM.
Attempting to start the engine with the engine running will turn the engine off.
Starting a Cold Engine
A spinning propeller, a moving boat, or any solid device attached to the boat can cause serious injury or death to swimmers.
Stop the engine immediately whenever anyone in the water is near your boat.
NOTE: Check the fluid levels before starting the engine. Refer to Section 5 ‑ Maintenance Schedule .
1.
Turn on and run the engine compartment bilge blower (if equipped) for five minutes. Alternately, open the engine hatch to
air out the bilge before attempting to start the engine.
2.
Place the control handle in neutral.
NOTE: If the engine has not been run for a period of time and will not readily start with the standard starting procedure, use
the fuel primer located on the fuel filter header. Cycle the primer plunger up and down four or five strokes before
attempting to start the engine.
3.
Turn the ignition key to the "RUN" position.
4.
Turn the ignition key switch to the "START" position then release, or press the start/stop button and release. If the engine
is cold, allow the engine to operate at idle for 6–10 minutes or until the engine reaches normal operating temperature.
IMPORTANT: Engine oil pressure should exceed 69 kPa (10 psi) within seconds of starting the engine. Stop the engine if
the engine oil pressure does not meet this specification. Locate and correct the problem. If you are unable to correct the
problem, see a Mercury Diesel authorized repair facility.
Page 30
WARNING
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WARNING
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NOTICE
WARNING
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90-8M0089579
MARCH 2014
eng
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