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S07 START & RUNNING
NORMAL ENGINE OPERATION
Check engine coolant temperature and oil pressure.
Temperatures and pressures will vary between engines
and with changing operating conditions. If coolant
temperature rises above the maximum coolant
temperature, reduce load on engine. Unless temperature
drops quickly, stop engine and determine cause before
resuming operation.
Operate the engine under a lighter load and at slower than
normal speed for first 15 minutes after start-up. DO NOT
run engine at slow idle unless necessary for manoeuvring
out of dock and harbor.
Stop engine as soon as possible if there are any signs of
part failure. Symptoms that may be early signs of engine
problems are:
• Sudden drop in oil pressure
• Abnormal coolant temperatures
• High marine gear oil temperature
• Unusual noise or vibration
• Sudden loss of power
• Excessive black exhaust
• Excessive fuel consumption
• Excessive oil consumption
• Fluid leaks
BREAK IN
Operate the engine with care for the first 50 hours of
operation.
Do not race the engine while it is cold. Do not operate it at
full load except for short periods. Never run the engine at
constant engine speed for long periods during the break
in period.
Check the oil and coolant level frequently during the
running-in period. The oil consumption can be more
important during the running in period.
See Maintenance section.
POWER TAKE OFF
Some engines can be fit with a Power Take Off system.
This system allows to power accessories like bilge pump,
watermaker, etc.
NOTE !
Any mechanical power taken from the engine from a PTO
reduces the power delivered to the propeller. The use of a
PTO should always be studied and approved by the R&D
department of Nanni Industries S.A.S France. Contact
your Nanni dealer for more informations.
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