GENERATOR
BREAK-IN
PROCEDURE
DESCRIPTION
Although your engine has experienced a minimum
of
one
hour
of
test operations at the factory to make sure accurate
assembly procedures were followed and that the engine
oper-
ated properly, a break-in time
is
required. The service life
of
your engine is dependent upon how the engine is operated
and serviced during its initial hours
of
use.
Breaking-in a new engine basically involves seating the
pis-
ton rings to the cylinder walls. Excessive oil consumption
and smoky operation indicate that the cylinder walls are
scored, which is caused by overloading the generator during
the break-in period.
Your new engine requires approximately
50 hours
of
initial
conditioning operation to break in each moving part in order
to maximize the performance and service life
of
the engine.
Perform this conditioning carefully, keeping in mind the
following:
Start the engine according to the STARTING
PROCEDURE
section. Run the engine while checking that all systems (raw
water pump, oil pressure, battery charging) are functioning.
AFTER
START·UP
Once the generator has been started, check for proper opera-
tion and then encourage a fast warm-up. Run the generator
between
20% and 60%
of
full-load for the first 10 hours.
A
CAUTION:
Do
not
attempt
to
break-in
your
generator
by
running
without
a
load.
After the first
10
hours
of
the generator's operation, the load
can be increased to the full-load rated output, then periodi-
cally vary the load.
Avoid overload at all times.
An
overload is signaled by
smoky exhaust with reduced output voltage and frequency.
Monitor the current being drawn from the generator and keep
it within the generator's rating. Since the generator operates
at
1800
rpm
to produce 60 hertz (or at 1500 rpm to produce
50
Hertz), control
of
the generator's break-in is governed by
the current drawn from the generator.
CHECK
THE
FOLLOWING
D Monitor the control panel gauges.
D Check for leaks
of
fuel and engine oil.
D Check for abnormal noise such as knocking, friction,
vibration and blow-back sounds.
D Confirm exhaust smoke:
When the engine is cold - White Smoke.
When the engine is warm - almost Smokeless.
When the engine is overloaded - some Black Smoke.
To
protect against unintentional overloading
of
the generator,
the generator's output leads should be routed through a
cir-
cuit breaker that is rated at the rated output
of
the generator.
NOTE:
Be
aware
of
motor starting loads
and
the high current
draw required for starting motors. This starting amperage
draw can
be
3 to 5 times normal running amperage. See
GENERATOR INFORMATION
in this manual.
GENERATOR
ADJUSTMENTS
Once the generator has been placed in operation, there may
be adjustments required for engine speed (hertz) during the
engine's break-in period (first
50
hours)
or
after this period.
A no-load voltage adjustment may also be required in
con-
junction with the engine's speed adjustment. See
GENERATOR INFORMATION in this manual.
Engines
&
Generators
9
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