Section
9.
Final Installation
Checks
INSTALLATION
CHECKS
Before trying to start the generator set, determine that
the installation is complete by answering affirmatively
the following questions:
Is
the exhaust system secure and all connections
tight?
Is
a flexible section of exhaust hose used between
the genset and muffler?
Is
all exhaust hose certified for marine exhaust
application, and adequately supported and pro-
tected?
Is the exhaust outlet terminated away from win-
dows, vents or other openings that might allow
exhaust gases to enter the vessel, or be pulled into
the vessel when in motion?
Does the fuel system have a flexible section at the
generator set to allow for.movement
of
the genset
when the vessel pitches?
0
Are the AC generator and load wires securely and
0
0
correctly connected to the circuit breaker?
Are the battery cables connected correctly and
securely at the generator set and battery?
Has crankcase oil and coolant been added to the
engine, and are they at correct levels? See the
Main-
tenance section of the Operator’s Manual.
Oil, fuel and coolant have been
drained from the engine prior
to
shipping from the factory. Operation wifhouf oil or
coolant MI damage fhe engine.
INITIAL STARTING
AND
CHECKS
Refer to the Operator’s Manualbefore trying to
start
the
generator set Make sure the fuel shutoff valve and sea
water cock are open. Operating the sea water pump
without water will ruin the neoprene impeller.
Gasoline vapors
can
cause an explo-
sion and fire resulting in severe per-
sonal injury or death. Before starting thegenerator set,
operate the bilge blower for a minimum ofrlminutes. If
fuel fumes are present, locate the source and correct
prior
to
generafor
set
operation.
1.
2.
3.
4.
5.
Start the genset by holding the StartIStop switch in
the Start position. The
genset
should
start
within a
few seconds. If not, check fuel supply and shutoff
valve/s.
Check the hull exhaust outlet for water flow and the
genset operation. Monitor the remote control panel
gauges (if equipped) for normal range of readings.
Refer
to
Operator’s
Manual
for proper values.
Check the exhaust system for leaks, visually and
audibly. Note the security of the exhaust system
supports. If any leaks are found, shut down the
genset immediately and repair.
Exhaust gas is deadly. For this
AWARNING
reason, shutdown fhegenerafor
set
immediatelyifan exhaust leakor exhaustcom-
ponent needs repair.
Do
not
run
the generator set
until the exhaust system is repaired.
Check the genset for fuel,
oil
or coolant leaks.
If
any
are found, shut down the genset and repair the leak
before making any more checks.
Connect an accurate AC voltmeter and frequency
meter across
two
line terminals. Apply load to the
generator and check output voltage and frequency.
Output frequency
is
determined by engine speed and
normally does not require adjustment Verify that fre-
quency is correct before making any voltage adjust-
ments. Call an authorized Onan distributor or dealer for
assistance if needed.
If the voltage is not within specs, it can be adjusted for
the generator connection used as shown in the Figure
8-3
table. Before making any adjustments, disable the
genset
by
removing the negative
(-)
cable at the battery.
Accidenial starting
of
the generafor
-1
set can cause severe personal injury
or
death. Disconnect the negative
(-)
baffery cable
before adjusting fhe regulator transformer taps.
9-1
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