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Section 3 - On the Water
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.
5.
Verify that all instrumentation is functioning properly and indicating normal readings.
Engine Warm Up
Engine wear caused by increased friction and limited oil flow is greatest when an engine is cold. Decrease engine wear by
allowing the engine coolant temperature to reach normal operating range before hard acceleration or applying full throttle.
1.
After starting, ensure that all instrumentation is functioning properly.
2.
Operate the engine at 1,000 to 1,200 RPM until the engine temperature is within the normal operating range. It is crucial
that any engine be warmed up before applying full load. The warm‑up period provides time for the lubricating oil to
establish a film between moving parts.
NOTE: Engine warm‑up time during cold weather can be reduced by operating the vessel at a reduced engine speed.
Begin normal vessel operation when systems reach operating temperatures.
3.
After the engine has reached operating temperature:
a.
The oil pressure should be within the range specified. Refer to Section 4 ‑ Engine Specifications. Stop the engine if
the oil pressure is not within the range specified.
b.
Check the fuel system for leakage from the injection pump, fuel pipes, fuel filter, or fuel lines.
c.
Check the engine and the transmission, oil filter, oil lines, oil line connectors, and oil pan for leaks.
d.
Check the coolant hoses, heat exchanger connections, aftercooler, water pump, and drain fittings for leaks.
4.
Locate and correct any problems, or see your Mercury Diesel authorized repair facility if you are unable to determine the
problem.
Starting a Warm Engine
1.
Turn on and run the engine compartment bilge blower (if equipped) for 5 minutes. Or, open the engine hatch and ventilate
the bilge before starting the engine.
2.
Place the remote control handle in neutral.
3.
Turn the ignition key switch to "RUN" position.
4.
Turn the ignition key switch to "START" position and release, or press and release the start/stop switch, if equipped.
5.
Ensure that all instrumentation is functioning properly and indicating normal engine operation.
Shifting
Shifting into gear at engine speeds above idle will damage the gearcase. Shifting into gear when the engine is not running
can cause misalign the clutch, preventing proper shifting. Always shift the gearcase into gear when the engine is operating at
idle. If you must shift while the engine is not operating, rotate the propeller shaft in the appropriate direction during shifting.
1.
Ensure that the remote control shift lever is in Neutral.
2.
To shift the sterndrive, move the remote control shift lever with a firm, quick motion forward to shift to forward gear, or
backward to shift to reverse.
3.
After shifting the sterndrive, advance the throttle to the desired setting.
IMPORTANT: Avoid stopping the engine if the sterndrive is in gear. If the engine does stop with the sterndrive in gear, see:
Starting the Engine After Stopped While in Gear
Engine Shut Down (Stopping)
1.
Place the remote control lever in neutral.
Immediately stopping the engine after high load operation can damage the turbocharger bearings. Idle the engine for several
minutes before shutdown.
2.
Operate the engine at idle speed for several minutes to allow the turbocharger and engine to cool.
3.
The engine can be stopped by any one of the following four methods:
Page 28
NOTICE
NOTICE
NOTICE
90-8M0069751
APRIL 2012
eng
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