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Generac does not recommend using any gaso-
line containing alcohol, it must not contain
more than 10 percent ethanol and it must be
removed from the generator during storage.
Do NOT use any gasoline containing
methanol. If you use gasoline with alcohol,
inspect more frequently for fuel leaks and
other abnormalities.
FUEL CONSUMPTION (IN GALLONS PER HOUR):
LOAD
GASOLINE
NO
HALF
FULL
2.9
FUEL REQUIREMENTS (LP UNITS)
These generators are equipped with a liquefied petro-
leum (LP) gas fuel system. LP gas is usually supplied
as a liquid in pressure tanks.
These generators require a "vapor withdrawal" type
fuel system. This type of gaseous fuel system uses
the vapors forming above the liquid fuel in the stor-
age tank. Air temperature around the storage tank
must be high enough to sustain adequate fuel vapor-
ization. In colder climates, you may need to use an
independent heat source to be sure the fuel suffi-
ciently vaporizes in the storage tank.
LP gas may consist of propane, butane or a mixture
of the two gases. Propane vaporizes at temperatures
as low as -20°F (-29°C), but butane returns to its liq-
uid state when the temperature drops below about
32°F (0°C). For that reason, a higher ratio of propane
is desired in the gas mixture when temperatures
drop below freezing.
2.10 ENGINE OIL REQUIREMENTS
The recommended oils include the following:
• During summer months: SAE 30. An acceptable
substitute is SAE 10W-30.
• During winter months: SAE 5W30. DO NOT USE
SAE 10W-40.
Crankcase and oil filter capacity is about 950ml or
one (1) quart.
Use no special additives.
"Maintenance" section for oil level check and fill pro-
cedures.
IMPACT-36 plus II Recreational Vehicle Generator
LP
0.14
0.20
0.32
0.41
0.54
0.77
Section 2 – Operation
2.11 GAS GENERATOR SPECIFICATIONS
Model ..................................................Impact-36G plus II
Rated Maximum Continuous
AC Power Output ..............................3600 watts (3.6 kW)
Rated Voltage ................................................120 volts AC
Rated Maximum Continuous
Current at 120 volts ..................................30 AC amperes
Phase ............................................................Single Phase
Rated AC Frequency ................................................60 Hz.
Recommended Battery
Cranking Current ..............................................400 amps
Gross Weight ............................................................97 lbs
Maximum Cranking Current..............................250 Amps
Maximum Charging Current ..................................2 Amps
2.12 LP GENERATOR SPECIFICATIONS
Model ..............................................Impact-36LPG plus II
Rated Maximum Continuous
AC Power Output ..............................3400 watts (3.4 kW)
Rated Voltage ................................................120 volts AC
Rated Maximum Continuous
Current at 120 volts................................28.3 AC amperes
Phase ............................................................Single Phase
Rated AC Frequency ................................................60 Hz.
Recommended Battery
Cranking Current ..............................................400 amps
Gross Weight ............................................................99 lbs
Maximum Cranking Current..............................250 Amps
Maximum Charging Current ..................................2 Amps
2.13 ENGINE SPECIFICATIONS
Type of Engine ......................................................GN-220
Cooling Method ..................................................Air-cooled
Displacement............................................................220cc
Type of Governor ..............................................Electronic
Air Cleaner ..................................................Paper element
Starter ..................................................12 volt DC electric
Ignition System ................................................Solid state
Recommended Spark Plugs ................Champion RC12YC
Spark Plug Gap ..................................0.030 inch (0.8mm)
See
Generac
®
Power Systems, Inc. 11
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