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Generac Power Systems 00941-3 Owners And Installation Manual: Applying Loads To Generator; Attention Required After Submersion; Operation In High Grass Or Brush; Operating Precautions

Air-cooled recreational vehicle generator with inverter.
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2.4

APPLYING LOADS TO GENERATOR

When applying electrical loads to the generator,
observe these guidelines:
• Before applying electrical loads, let the generator
stabilize and warm up for a minute or two.
• DO NOT overload the generator.
2.4.1 LETTING ENGINE STABILIZE
The generator supplies correctly rated frequency and
voltage only at the proper governed speed. Some elec-
trical appliances may be extremely sensitive to volt-
age and frequency. Incorrect frequencies and/or volt-
ages can damage those appliances.
If electrical loads are applied at reduced operating
speeds, such loads imposed on the engine when suf-
ficient power is not available may shorten engine life.
Never turn ON electrical loads until after the genera-
tor engine has started and stabilized ON-speed.
2.5
ATTENTION REQUIRED AFTER
SUBMERSION
If the motor home generator has been submerged in
water, it must NOT be started or operated. Following
any submersion in water, have an authorized
Generac Service Facility thoroughly clean and dry the
generator.
2.6
OPERATION IN HIGH GRASS OR
BRUSH
Never operate the generator while the vehicle is
parked in high grass, weeds, brush or leaves. Such
materials can ignite and burn from the heat of the
exhaust system. The generator exhaust system
becomes extremely hot during operation and remains
hot for a long time after it has shut down.
2.7

OPERATING PRECAUTIONS

Never operate the motor home generator set while the
vehicle is parked over dry leaves, dry grass or any
other combustible substance. The generator's
exhaust system becomes extremely hot and can cause
a fire if it is too close to combustible materials.
2.8

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 storage
tank. Air temperature around the storage tank must
be high enough to sustain adequate fuel vaporization.
In colder climates, use of an independent heat source
may be needed to be sure the fuel sufficiently vapor-
izes in the storage tank.
Section 2 – Operation
IMPACT-36 plus II Recreational Vehicle Generator
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.
FUEL CONSUMPTION (IN GALLONS PER HOUR):
2.9

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. See
"Maintenance" section for oil level check and fill pro-
cedures.

2.10 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

2.11 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)
LOAD
NO
HALF
FULL
Generac
®
Power Systems, Inc.
LP
0.20
0.41
0.77
9

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