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Engine Set-Up
Inspect the engine visually. Check for loose or missing
parts and any damage that may have occurred in
shipment.
Oil and fuel have been drained from
the engine prior to shipping from
Onan. Severe engine damage will result if engine is
started without oil.
ACAUTION
BATTERIES
The batteries and battery cables used for starting the
engine should be of sufficient size to provide prompt
starting. Undersized batteries will result in poor starter
operation and a very short starter service life.
AWARNINn
Ignition of explosive battery gases
'
cause severe personal iniury. Do
not smoke while servicing batteries.
CRANKCASE OIL RECOMMENDATIONS
Fill crankcase with correct amount of oil. Refer to
SPECIFICATIONS for crankcase capacity. Use oils
meeting the American Petroleum Institute (API) classi¬
fication SE or SE/CC.
Crankcase pressure can blow out hot
oil and cause serious burns. Do NOT
check oil while the engine is operating.
Do not overfill crankcase. Excess oil
causes higher operating fempera-
fures and may cause foaming.
lACAUTION
AWARNING
Oil Level
Check oil level at least every 8 hours of operation.
Check more frequently on a new or reconditioned
engine as oil consumption is higher until the piston rings
seat properly.
When adding oil between oil changes, it is preferable to
use the same brand, as various brands of oil may not be
compatible together. Refer to MAINTENANCE section
for recommended oil change intervals and procedures.
FUEL RECOMMENDATIONS
AVAMQwiMr'l Ignition of fuel can cause serious
a4WAnN»NO| persona/ injury or death by fire or
explosion. Do not permit any flame, cigarette, or other
igniter near the fuel system.
Use clean, fresh, unleaded gasoline. Regular leaded
gasoline may also be used but is not a preferred fuel. Do
not use highly leaded premium gasoline. Use of un¬
leaded gasoline results in less maintenance.
Do not use gasoline de-icers. Gaso¬
line de-icers can cause internal
damage to carburetor and fuel pump parts. Do not use
fuels containing alcohol concentrations greater than
ten percent. Fuel containing alcohol may cause poor
engine performance and internal engine
damage.
If regular leaded gasoline is used continually, carbon
and lead deposits should be removed from the cylinder
heads as required because of engine power loss.
Unleaded gasoline may be used safely after lead
deposits have been removed.
Spilled fuel can ignite and cause
serious personal injury or death.
Never fill the fuel tank when the engine is running.
AWARNING
ACAUTION
EXHAUST SYSTEM
Exhaust products of any internal combustion engine are
toxic and can cause injury, or death if inhaled. All engine
applications, especially those within a confined area,
should be equipped with an exhaust system to discharge
gases to the outside atmosphere.
AWARMiwr
If^P^l^llof^
exhaust gases can
ibWAHNIIMLa
jf, serious personal injury or
death. Use extreme care during installation to ensure a
tight exhaust system.
3
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