Engine Operation; Normal Engine Operation; Break-In Service - Northern Lights M80A13S Operator's Manual

Normal Engine Operation

Observe engine coolant temperature and engine
oil pressure. Temperatures and pressures will vary
between engines and with changing operating conditions,
temperatures, and loads. See GENERAL ENGINE
your engine.
If coolant temperature rises above the maximum coolant
engine. Unless temperature drops quickly, stop engine
and determine cause before resuming operation.
Operate the engine under a lighter load and at slower than
run engine at slow idle unless necessary for maneuvering
out of dock and harbor.

Break-In Service

The engine is ready for normal operation. However, extra
The engine is ready for normal operation. However, extra
care during the first 100 hours of operation will result in more
more satisfactory long-term engine performance and life.
satisfactory long-term engine performance and life. DO NOT
DO NOT exceed 100 hours of operation with break-in
exceed 100 hours of operation with break-in oil. See GENERAL
oil. See GENERAL ENGINE SPECIFICATIONS in
ENGINE SPECIFICATIONS in Specifications Section near end of
manual for oil pressure and coolant temperature specifications for
your engine.
Break-in Oil. Operate the engine at heavy loads with
1. This engine is filled with factory break in oil. Operate the engine
minimal idling during the break-in period.
at heavy loads with minimal idling during the break in period.
2. If the engine has significant operating time at idle, constant
idle, constant speeds, and/or light load usage, or
speeds and/or light load usage, or makeup oil required in the
first 100 hour period, a longer break-in period may be required.
a longer break-in period may be required. In these
In these situations, an additional 100 hour break-in period is
situations, an additional 100 hour break-in period is
recommended using a new change of engine break in oil and a recommended using a new change of Northern Lights
new Northern Lights oil filter.

Engine Operation

Stop engine immediately if there are any signs of part
failure. Symptoms that may be early signs of engine
problems are:
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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
Check Engine Oil
A—Engine Oil Dipstick
OUOD006,000008F -19-21JUN07-1/1
B—Dipstick Tube
RG19661,00003BC -19-28FEB13-1/5