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Operation, Warning, Do not overload generator – Champion Power Equipment 46578 User Manual

Page 18: Operation at high altitude, Capacity, Power management

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15

REV 46578-20140521

ENGLISH

46578

Do Not Overload Generator

Capacity

Follow these simple steps to calculate the running and
starting watts necessary for your purposes.
1. Select the electrical devices you plan on running at

the same time.

2. Total the running watts of these items. This is

the amount of power you need to keep your items
running.

3. Identify the highest starting wattage of all devices

identified in step 1. Add this number to the number
calculated in step 2. Surge wattage is the extra
burst of power needed to start some electric driven
equipment. Following the steps listed under “Power
Management” will guarantee that only one device will
be starting at a time.

Power Management

Use the following formula to convert voltage and
amperage to watts:

Volts x Amps = Watts

To prolong the life of your generator and attached
devices, follow these steps to add electrical load:
1. Start the generator with no electrical load attached
2. Allow the engine to run for several minutes to stabilize.
3. Plug in and turn on the first item. It is best to attach

the item with the largest load first.

4. Allow the engine to stabilize.
5. Plug in and turn on the next item.
6. Allow the engine to stabilize.
7. Repeat steps 5-6 for each additional item.

Never exceed the specified capacity when adding
loads to the generator.

NOTE

OPERATION

Carburetor

Code

Main Jet

Part Number

Altitude

P19-3-Z

Standard

26.131017.20.Z

3500 feet
(1067 meters)

Altitude

26.131017.20.01.Z

P19-3-H

Standard

26.131017.20.H

Altitude

26.131017.20.01.H

P19-3-Y

Standard

26.131017.20.Y

Altitude

26.131017.20.01.Y

Operation at High Altitude

The density of air at high altitude is lower than at sea
level. Engine power is reduced as the air mass and air-
fuel ratio decrease. Engine power and generator output
will be reduced approximately 3½% for every 1000
feet of elevation above sea level. This is a natural trend
and cannot be changed by adjusting the engine. At high
altitudes increased exhaust emissions can also result
due to the increased enrichment of the air fuel ratio.
Other high altitude issues can include hard starting,
increased fuel consumption and spark plug fouling.
To alleviate high altitude issues other than the natural
power loss, Champion Power Equipment can provide a
high altitude carburetor main jet. The alternative main
jet and installation instructions can be obtained by
contacting Customer Support. Installation instructions
are also available in the Technical Bulletin area of the
Champion Power Equipment internet site.
The part number and recommended minimum altitude
for the application of the high altitude carburetor main
jet is listed in the table below.
In order to select the correct high altitude main jet
it is necessary to identify the carburetor model. For
this purpose, a code is stamped on the side of the
carburetor. Select the correct main jet part number
corresponding to the carburetor code found on your
particular carburetor.

Operation using the alternative main jet at elevations
lower than the recommended minimum altitude can
damage the engine. For operation at lower elevations, the
standard main jet must be used. Operating the engine
with the wrong engine configuration at a given altitude
may increase its emissions and decrease fuel efficiency
and performance.

WARNING