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6 Generac
®
Power Systems, Inc.
Section 1 – General Information
QUIETPACT 40G Recreational Vehicle Generator
Generac does not recommend using any
gasoline containing alcohol (such as “gasohol”).
If you use any gasoline 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.
1.5.2 FUEL CONSUMPTION
Fuel consumption is in gal/h.
1.5.3 ENGINE OIL REQUIREMENTS
Use only high quality detergent oil rated with
American Petroleum Institute (API) Service
Classification SF, SG or SH. The recommended oil
weights include the following:
• During summer months: SAE 30. An acceptable
substitute is SAE 10W-30.
• During winter months: SAE 5W-30. DO NOT USE
SAE 10-W40.
Crankcase and oil filter capacity is approximately
800 mL or .84 U.S. quarts. Do NOT use special addi-
tives. See Sections 3.1 and 3.2 (Page 12) for oil level
check and fill procedures.
1.5.4 ENGINE
Type of Engine ....................................GN-220, Single-cylinder
Cooling Method..........................................................Air-cooled
Rated Horsepower ........................................7.8 @ 4,200 rpm
Displacement....................................................................220cc
Cylinder Block ..........................Aluminum w/Cast Iron Sleeve
Type of Governor ..............................Mechanical, Fixed Speed
Air Cleaner..........................Paper Element w/Foam Precleaner
Starter..........................................................12-volt DC Electric
Ignition System........................Solid-state w/Flywheel Magneto
Recommended Spark Plug
Champion ..................................................................RC12YC
AC....................................................................................R45S
Fram Autolite ......................................................................65
Spark Plug Gap ........................................0.030 inch (76 mm)
Recommended Minimum Battery ..............400 Cold-cranking
Amperes
1.5.5 GENERATOR
Rated Maximum Continuous
AC Output (Gasoline) ............................3,600 Watts (3.6 kW)
Rated Voltage ........................................................120 Volts AC
Rated Maximum Continuous
AC Current (Gasoline)..........................................30 Amperes
Phase ................................................................................Single
Rotor RPM ........................................................................3,600
Number of Rotor Poles ............................................................2
Engine RPM ......................................................................3,600
Rated AC Frequency ........................................................60 Hz
Battery Charge Voltage............................................14 Volts DC
Battery Charge Current..................................2 Amperes (max)
Gasoline weight ......................................................170 Pounds
Length ....................................................749.8 mm (29.52 in.)
Width ......................................................483.1 mm (19.02 in.)
Height ......................................................342.2 mm (13.47 in.)
1.5.6 EMISSIONS COMPLIANCE PERIOD
For non-handheld engines the Emissions Compliance
Period referred to on the Emissions Compliance
Label indicates the number of operating hours for
which the engine has been shown to meet Federal
emission requirements.
• For engines less than 225 cc displacement,
Category C=125 hours, B=250 hours, and A=500
hours.
• For engines of 225 cc or more, Category C=250
hours, B=500 hours, and A=1000 hours.
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Model No Load 1/2 Load Full Load
QUIETPACT 40G 0.24 0.35 0.55
(004700-0)