Champion 100387 User manual

OPERATOR’S MANUAL
12039 Smith Ave.
Santa Fe Springs, CA 90670
USA / 1-877-338-0999
www.championpowerequipment.com
SAVE THESE INSTRUCTIONS
Important safety instructions
are included in this manual.
MADE IN CHINA
REV 100387-20170112
100387
MODEL NUMBER
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3100 Starting Watts / 2800 Running Watts
PORTABLE INVERTER GENERATOR
4010077

Have questions or need assistance?
Do not return this product to the store!
WE ARE HERE TO HELP!
Visit our website:
www.championpowerequipment.com
for more info:
• Product Info and Updates
• Frequently Asked Questions
• Tech Bulletins
• Product Registration
– or –
Call our Customer Care Team Toll-free at:
1-877-338-0999
*We are always working to improve our products. Therefore, the enclosed product may differ slightly from the image on the cover.
Parts Ordering:
Mon – Fri 8:30 AM – 5:00 PM (PST/PDT)
Toll-free: 1-877-338-0999
AN IMPORTANT MESSAGE ABOUT TEMPERATURE:
Your Champion Power Equipment product is designed and rated for continuous operation at ambient temperatures up
to 40°C (104°F). When your product is needed, it may be operated at temperatures ranging from -15°C (5°F) to 50°C
(122°F) for short periods. If the product is exposed to temperatures outside this range during storage, it should be
brought back within this range before operation. In any event, the product must always be operated outdoors, in a
well-ventilated area and away from doors, windows and other vents.

100387
TABLE OF CONTENTS
PORTABLE INVERTER GENERATOR
3100 Starting Watts / 2800 Running Watts
Introduction ............................ 1
Manual Conventions....................... 2
Safety Rules ............................ 3
Safety Label Locations................... 5
Controls and Features ..................... 6
Generator............................ 6
Power Panel .......................... 7
Power Panel Symbols.................... 8
Parts Included ........................ 8
Assembly .............................. 9
Unboxing ............................ 9
Add Engine Oil ........................ 9
Add Fuel ........................... 10
Grounding .......................... 10
Operation ............................. 11
Generator Location .................... 11
Grounding .......................... 11
Starting the Engine .................... 11
Economy Control Switch................. 12
Connecting Electrical Loads .............. 12
12V DC Outlet ....................... 13
12V DC Outlet – Battery Charging .......... 13
Stopping the Engine ................... 13
Do Not Overload Generator ............... 13
Power Management .................. 14
Overload Operation .................... 14
Parallel Operation ..................... 14
Operation at High Altitude ............... 14
Maintenance and Storage .................. 15
Engine Maintenance ................... 15
Oil ............................. 15
Spark Plugs ....................... 15
Air Filter ......................... 15
Spark Arrester ..................... 16
Adjustments ....................... 16
Maintenance Schedule................ 16
Generator Maintenance ................. 17
Cleaning ......................... 17
Storage ............................ 17
Short Term Storage (up to 1 year) ........ 17
Long Term Storage (over 1 year) ......... 17
Removing from Storage ................. 18
Specifications .......................... 19
Engine Specifications .................. 19
Generator Specifications ................ 19
Fuel .............................. 19
Oil ............................... 19
Spark Plugs ......................... 19
Maintenance Valve Clearance ............. 19
An Important Message About Temperature .... 19
IC Warning.......................... 19
Wiring Diagram ....................... 20
Parts Diagram........................ 21
Parts List ........................... 22
Engine Parts Diagram .................. 25
Engine Parts List ..................... 26
Troubleshooting......................... 27

1
ENGLISH 100387
INTRODUCTION
Record the model and serial numbers as well as date and place of purchase for future reference. Have this
information available when ordering parts and when making technical or warranty inquiries.
Champion Power Equipment Support
Model Number
Serial Number
Date of Purchase
Purchase Location
1-877-338-0999
100387
For Oil Type see “Add Engine Oil” section. For Fuel Type see “Add Fuel” section.
Congratulations on your purchase of a Champion Power Equipment (CPE) product. CPE designs, builds, and supports
all of our products to strict specifications and guidelines. With proper product knowledge, safe use, and regular
maintenance, this product should bring years of satisfying service.
Every effort has been made to ensure the accuracy and completeness of the information in this manual, and we
reserve the right to change, alter and/or improve the product and this document at any time without prior notice.
Since CPE highly values how our products are designed, manufactured, operated and serviced, and also highly
values your safety and the safety of others, we would like you to take the time to review this product manual and
other product materials thoroughly and be fully aware and knowledgeable of the assembly, operation, dangers and
maintenance of the product before use. Fully familiarize yourself, and make sure others who plan on operating the
product fully familiarize themselves too, with the proper safety and operation procedures before each use. Please
always exercise common sense and always err on the side of caution when operating the product to ensure no
accidents, property damage, or injury occurs. We want you to continue to use and be satisfied with your CPE product
for years to come.

2
100387 ENGLISH MANUAL CONVENTIONS
This manual uses the following symbols to help differentiate between different kinds of information. The safety symbol
is used with a key word to alert you to potential hazards in operating and owning power equipment.
Follow all safety messages to avoid or reduce the risk of serious injury or death.
CAUTION indicates a potentially hazardous
situation which, if not avoided, may result in minor
or moderate injury.
CAUTION
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which, if
not avoided, may result in property damage.
CAUTION
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in death
or serious injury.
DANGER
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
WARNING
If you have questions regarding your generator, we can
help. Please call our help line at 1-877-338-0999
NOTE

3
ENGLISH 100387
SAFETY RULES
Generator exhaust contains carbon monoxide, a
colourless, odourless, poison gas. Breathing carbon
monoxide will cause nausea, dizziness, fainting or
death. If you start to feel dizzy or weak, get to fresh
air immediately.
Operate generator outdoors only in a well-ventilated
area.
DO NOT operate the generator inside any building,
including garages, basements, crawlspaces and
sheds, enclosures or compartments, including the
generator compartment of a recreational vehicle.
DO NOT allow exhaust fumes to enter a confined
area through windows, doors, vents or other
openings.
DANGER CARBON MONOXIDE: using a generator
indoors CAN KILL YOU IN MINUTES.
DANGER
Rotating parts can entangle hands, feet, hair,
clothing and/or accessories.
Traumatic amputation or severe laceration can result.
Keep hands and feet away from rotating parts.
Tie up long hair and remove jewellery.
Operate equipment with guards in place.
DO NOT wear loose-fitting clothing, dangling
drawstrings or items that could become caught.
DANGER
Generator produces powerful voltage.
DO NOT touch bare wires or receptacles.
DO NOT use electrical cords that are worn, damaged
or frayed.
DO NOT operate generator in wet weather.
DO NOT allow children or unqualified persons to
operate or service the generator.
Use a ground fault circuit interrupter (GFCI) in damp
areas and areas containing conductive material such
as metal decking.
Use approved transfer equipment to isolate generator
from your electric utility and notify your utility
company before connecting your generator to your
power system.
DANGER
Sparks can result in fire or electrical shock.
When servicing the generator:
Disconnect the spark plug wire and place it where it
cannot contact the plug.
DO NOT check for spark with the plug removed.
Use only approved spark plug testers.
WARNING
Running engines produce heat. Severe burns can
occur on contact.
Combustible material can catch fire on contact.
DO NOT touch hot surfaces.
Avoid contact with hot exhaust gases.
Allow equipment to cool before touching.
Maintain at least 91.4 cm (3 ft.) of clearance on all
sides to ensure adequate cooling.
Maintain at least 1.5 m (5 ft.) of clearance from
combustible materials.
WARNING
Medical and Life Support Uses.
In case of emergency, call 911 immediately.
NEVER use this product to power life support
devices or life support appliances.
NEVER use this product to power medical devices
or medical appliances.
Inform your electricity provider immediately if you
or anyone in your household depends on electrical
equipment to live.
Inform your electricity provider immediately if a
loss of power would cause you or anyone in your
household to experience a medical emergency.
WARNING
Read this manual thoroughly before operating your
generator. Failure to follow instructions could result
in serious injury or death.
WARNING

4
100387 ENGLISH SAFETY RULES
Improper treatment or use of the generator can
damage it, shorten its life and void your warranty.
Use the generator only for intended uses.
Operate only on level surfaces.
DO NOT expose generator to excessive moisture,
dust, or dirt.
DO NOT allow any material to block the cooling slots.
If connected devices overheat, turn them off and
disconnect them from the generator.
DO NOT use the generator if:
– Electrical output is lost
– Equipment sparks, smokes or emits flames
– Equipment vibrates excessively
CAUTION
Rapid retraction of the starter cord will pull hand and
arm towards the engine faster than you can let go.
Unintentional startup can result in entanglement,
traumatic amputation or laceration.
Broken bones, fractures, bruises or sprains could result.
When starting engine, pull the starter cord slowly
until resistance is felt and then pull rapidly to avoid
kickback.
DO NOT start or stop the engine with electrical
devices plugged in.
WARNING
Exceeding the generator’s running capacity can
damage the generator and/or electrical devices
connected to it.
DO NOT overload the generator.
Start the generator and allow the engine to stabilize
before connecting electrical loads.
Connect electrical equipment in the off position,
and then turn it on for operation.
Turn electrical equipment off before stopping the
generator.
DO NOT tamper with the governed speed.
DO NOT modify the generator in any way.
CAUTION
Operation of this equipment may create sparks that
can start fires around dry vegetation.
A spark arrestor may be required. The operator
should contact local fire agencies for laws or
regulations relating to fire prevention requirements.
WARNING
Fuel and fuel vapours are highly flammable and
extremely explosive.
Fire or explosion can cause severe burns or death.
Unintentional startup can result in entanglement,
traumatic amputation or laceration.
When adding or removing fuel:
Turn the generator off and let it cool for at least two
minutes before removing the fuel cap. Loosen the
cap slowly to relieve pressure in the tank.
Only fill or drain fuel outdoors in a well-ventilated area.
DO NOT pump gas directly into the generator at the
gas station. Use an approved container to transfer
the fuel to the generator.
DO NOT overfill the fuel tank.
Always keep fuel away from sparks, open flames,
pilot lights, heat and other sources of ignition.
DO NOT light or smoke cigarettes.
When starting the generator:
DO NOT attempt to start a damaged generator.
Make certain that the gas cap, air filter, spark plug,
fuel lines and exhaust system are properly in place.
Allow spilled fuel to evaporate fully before
attempting to start the engine.
Make certain that the generator is resting firmly on
level ground.
When operating the generator:
DO NOT move or tip the generator during operation.
DO NOT tip the generator or allow fuel or oil to spill.
When transporting or servicing the generator:
Make certain that the fuel shutoff valve is in the off
position and the fuel tank is empty.
Disconnect the spark plug wire.
When storing the generator:
Store away from sparks, open flames, pilot lights,
heat and other sources of ignition.
DANGER

5
ENGLISH 100387
SAFETY RULES
Safety Label Locations
These labels warn you of potential hazards that can cause serious injury. Read them carefully.
If a label comes off or becomes hard to read, contact Champion Power Equipment’s customer service department for
possible replacement.
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Operation of this equipment may create sparks that can start fires around dry
vegetation. A spark arrester may be required. The operator should contact local
fire agencies for laws or regulations relating to fire prevention requirements.
Le fonctionnement de cet appareil peut générer de étincelles pouvant amorcer un incendie près de la
végétation sèche. Un pare-étincelles pourrait être requis. L’opérateur devrait communiquer avec les services
d’incendie locaux pour connaître la réglementation concernant les normes de prévention contre les incendies.
FOR US E IN A WEATH ER PROTE CTED AR EA ONLY - DO NO T EXPOS E TO RAIN
WARNING
DANGER
EMPL OYEZ UNI QUEMEN T DANS UN EM PLACE MENT A L’ABRI D ES INTE MPÉRIES - N E PAS EXP OSER À LA P LUIE
FOR ELECTRICAL EQUIPMENT ONLY. POUR MATERIEL ÉLECT RIQUES EULEMENT.
AVERTISSEMENT
DANGER
WHEN STORING GASOLINE, PROPANE (LPG) OR EQUIPMENT WITH FUEL IN
IT: Store away from furnaces, stoves, water heaters or other appliances that
have a pilot light or other ignition source because they can ignite the fuel.
LORSQUE VOUS RANGEZ DE L’ESSENCE, DU GAZ PÉTROLE LIQUÉFIÉ (GPL) OU DU MATÉRIEL CONTENANT
DE L’ESSENCE : Rangez-les à l’écart des appareils de chauffage, des chauffe-eaux et des autres dispositifs
qui contiennent une veilleuse ou une autre source d’allumage parce qu’il peut enflammer l’essence.
Read and follow operating instructions before running engine.
Gasoline and propane (LPG) are extrememely flammable. Check for
spilled fuel or fuel leaks. If one is found, shut off fuel supply and stop
engine immediately. Allow to cool at least 2 minutes before refueling.
Lire et suivre les instructions avant de faire fonctionner le moteur.
L’essence et le gaz de pétrole liquéfié (GPL) sont extrêmement inflammables. Vérifiez la présence de carburant
renversé et de fuite de carburant. Si vous en trouvez, coupez la source d’alimentation en carburant et
arrêtez le moteur immédiatement. Laissez-le refroidir au moins 2 minutes avant de remettre du carburant.
CAUTION MISE EN GARDE
485C
485C
BLACK 179 x 69 mm
E F
UNLEADED FUEL ONLY. Minimum octane
rating of 85. Maximum 10% ethanol.
GASOLINA REGULAR SOLAMENTE. 85 octanos
como mínimo. Máximo de etanol de 10%.
ESSENCE SANS PLOMB SEULEMENT. Indice
d’octane minimal de 85. Maximum 10 % d'éthanol.
109
BLACK
485 68 x 19 mm
To prevent engine damage,
the spark arrester should be
cleaned EVERY 100 HOURS.
For maintenance schedule see
owner’s manual.
Para evitar daños al motor, el
parachispas debe de
limpiarse CADA 100 HORAS.
Para un plan de mantenimiento,
vea el manual del propietario.
Pour prévenir les dommages au
moteur, le pare-étincelles devrait être
nettoyé TOUTES LES 100 HEURES.
Pour le calendrier d’entretien consulter
le manuel du propriétaire.
GN-OP-T-004.2
131 x 19 mm
BLACK
DANGER
NEVER use inside a home
or garage, EVEN IF doors
and windows are open.
ONLY use OUTSIDE and
far away from windows,
doors, and vents.
Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
PELIGRO DANGER
El uso de un generador en interiores PUEDE
MATARLO EN MINUTOS.
El escape del generador contiene monóxido
de carbono. Éste es un veneno que no se
puede ver ni oler.
Nunca lo use dentro
del hogar ni el garaje,
INCLUSO si las
puertas y ventanas
están abiertas.
Úselo SÓLO a la
INTEMPERIE lejos de
ventanas, puertas, y
orificios de
ventilación.
Utiliser un générateur à l’intérieur PEUT VOUS
TUER EN QUELQUES MINUTES.
L’échappement du générateur contient du
monoxyde de carbone. Il s’agit d’un poison
que vous ne pouvez ni voir ni sentir.
Ne l’utilisez JAMAIS
dans la maison ou le
garage MÊME SI les
portes et les fenêtres
sont ouvertes.
Utilisez-le UNIQUE-
MENT À L’EXTÉRIEUR,
loin des fenêtres,
portes et trappes de
ventilation.
485
BLACK
204 mm X 46 mm
GN-SF -T-0 01.1
WARNING
DO NOT TOUCH! Exhaust
gases, muffler and engine
components are extremely
HOT and cause burns.
ADVERTENCIA
¡NO TOCAR! Los gases de escape,
el silenciador y los compnonentes
del motor están extremadamente
CALIENTES y causan quemaduras.
AVERTISSEMENT
NE PAS TOUCHER! Les gaz
d'échappement, le silencieux et les
éléments du moteur sont extrêmement
CHAUDS et peuvent causer de brûlures.
CC-SF-T-001.1
152
BLACK
140 x 22 mm
STOP / ALTO / ARRÊT
NO OIL IN UNIT! / ¡NO TIENE ACEITE! / MANQUE D’HUILE DANS L’UNITÉ!
REMOVE PANEL TO FILL OIL / QUITE EL PANEL PARA AGREGAR ACEITE
RETIRER LE PANNEAU POUR REMPLIR D’HUILE
READ YOUR OWNER’S MANUAL BEFORE OPERATION.
ADD OIL BEFORE INITIAL START UP. AUTOMATIC LOW OIL
SHUTOFF WILL PREVENT STARTING WITHOUT ADDING OIL.
LEA EL MANUAL ANTES DE OPERACIÓN.
AGREGUE ACEITE ANTES DE PRIMER USO. SENSOR DE NIVEL
DE ACEITE AUTOMATICO. UNIDAD FALLA DE ENCENDER
SIN ACEITE.
LIRE LE GUIDE D’UTILISATION AVANT DE FAIRE FONCTIONNER.
AJOUTER DE L’HUILE AVANT LE DÉMARRAGE INITIAL. LA
FERMETURE AUTOMATIQUE EN CAS DE MANQUE D’HUILE
EMPÊCHERA LE DÉMARRAGE SANS AJOUT D’HUILE.
PMS 186C
WHITE 127 mm x 71.1 mm
Charge only 12v lead-acid
batteries. Other types of
batteries may burst, causing
personal injury and damage.
Risk of explosive gas mixture.
Read instructions in owner’s
guide before using charger.
Utiliser pour charger uniquement les accumulateurs
du type plomb-acide de 12v. D’autres type
d’accumulateurs pourraiemt éclater et causer des
blessures ou des dommages.
Risque de mélange gazeux explosif. Lire les
instructions du guide d’utilisation avant
d’utiliser le chargeur.
148 mm x 71.1 mm
PMS 152C
BLACK

6
100387 ENGLISH
Read this owner’s manual before operating your generator. Familiarize yourself with the location and function of the
controls and features. Save this manual for future reference.
(1) Fuel Cap – Remove to add fuel.
(2) Recoil Starter – Used to start the engine.
(3) Power Panel – See “Power Panel” section.
(4) Foldaway Handle
Generator
CONTROLS AND FEATURES
1
5 64 7
2 3
(5) Muffler
(6) Maintenance Cover
(7) Never Flat Wheel
(8) Carrying Handle
8

7
ENGLISH 100387
Power Panel
CONTROLS AND FEATURES
(1) Fuel Valve Knob
(2) Choke
(3) Economy Control Switch
(4) Ground Terminal – Consult an electrician for local
grounding regulations.
(5) 12V DC Automotive Outlet*
(6) Circuit Breaker (Push-button) – Protects the
generator against electrical overload.
(7) Parallel Outlets – Used for parallel operation.
(8) 120 Volt AC, 20 Amp Duplex (5-20R) – May be
used to supply electrical power for the operation
of 120 Volt AC, 20 Amp, single phase 60 Hz
electrical loads.
(9) 120 Volt AC, 30 Amp Twist-Lock Receptacle
(NEMA L5-30R)– May be used to supply electrical
power for the operation of 120 Volt AC, 30 Amp,
single phase 60 Hz electrical loads.
(10) Output Light – Remains ON during normal
operating conditions. Shuts OFF when generator is
overloaded.
(11) Overload Indicator Light – This light turns ON
when the generator is overloaded and will cut
power to the receptacles.
(12) Oil Warning Light – Check oil level when this light
turns on. Engine will not run when indicator is lit.
(13) Engine Switch – Used to start or stop the
generator.
1 2
4
5 6
9
3
13
10
11
12
8
*Warning: Do not operate a device while it is plugged into the 12V DC outlet. Prolonged exposure to engine exhaust can cause
serious injury or death. While charging a device, do no place on the exhaust side of the generator. Extreme heat caused by
exhaust can damage the device, and cause a potential fire hazard.
6
7

8
100387 ENGLISH
Power Panel Symbols
Parts Included
CONTROLS AND FEATURES
Your 100387 portable inverter ships with the following
parts:
– Oil Funnel ............................1
– Automotive Style USB Adapter
(2.1A and 1A ports)......................1
– Automotive Style Battery Charger Cables .......1
– RV Adapter............................1
ECO
The below symbols are located on the generator power panel. Familiarize yourself with these symbols for quick
reference of the components and their function.
Engine On/Fuel Valve On Economy Mode
Output
Ground
Engine Switch
Overload
Parallel
Engine Stop
Low Oil
Press to reset circuit breakers
Fuel Valve
Fuel Valve Off Direct Current
RESET

9
ENGLISH 100387
ASSEMBLY
Your generator requires some assembly. This unit ships
from our factory without oil and fuel. It must be properly
serviced with fuel and oil before operation.
If you have any questions regarding the assembly of your
generator, call our help line at 1-877-338-0999. Please
have your serial number and model number available.
Unboxing
1. Set the shipping carton on a solid, flat surface.
2. Remove everything from the carton except the
generator.
3. Using the handles of the unit, carefully remove the
inverter from the box.
The recommended oil type is 10W-30 automotive oil.
NOTE
The engine is equipped with a low oil shut-off and
will stop when the oil level in the crankcase falls
below the threshold level.
CAUTION
Add Engine Oil
DO NOT attempt to crank or start the engine before
it has been properly filled with the recommended
type and amount of oil. Damage to the generator as
a result of failure to follow these instructions will
void your warranty.
CAUTION
Check oil often during the break-in period. Refer to the
Maintenance section for recommended service intervals.
NOTE
The generator rotor has a sealed, pre-lubricated ball
bearing that requires no additional lubrication for
the life of the bearing.
NOTE
Add Engine Oil Cont’d.
We consider the first 5 hours of run time to be the
break-in period for the unit. During the break-in
period stay at or below 50% of the running watt
rating and vary the load occasionally to allow stator
windings to heat and cool. Adjusting the load will
also cause engine speed to vary and help seat
piston rings. After the 5 hour break-in period,
change the oil.
NOTE
Once oil has been added, a visual check should show
oil about 1-2 threads from running out of the fill hole.
If using the dipstick to check oil level, DO NOT screw
in the dipstick while checking.
NOTE
1. Place the generator on a flat, level surface.
2. Loosen the cover screws and remove the
maintenance cover.
3. Remove oil fill cap/dipstick to add oil.
4. Add up to 0.6 L (0.6 qt.) of oil (not included) and
replace oil fill cap/dipstick. DO NOT OVERFILL.
5. Check engine oil level daily and add as needed.
Full Synthetic 5W-30
Degrees Celsiusº (Outside)
(Outside)
Degrees Fahrenheitº

10
100387 ENGLISH ASSEMBLY
Add Engine Oil Cont’d.
Synthetic oil may be used after the 5 hour initial
break-in period. Using synthetic oil does not
increase the recommended oil change interval.
Full synthetic 5W-30 oil will aid in starting in cold
ambient <5ºC (41ºF)
NOTE
Weather will affect engine oil and engine
performance. Change the type of engine oil used
based on weather conditions to suit the engine
needs.
NOTE
Add Fuel
1. Use clean, fresh, regular unleaded fuel with a
minimum octane rating of 85 and an ethanol content
of less than 10% by volume.
2. DO NOT mix oil with fuel.
3. Clean the area around the fuel cap.
4. Remove the fuel cap.
5. Slowly add fuel to the tank. DO NOT OVERFILL. Fuel
can expand after filling. A minimum of 6.4 mm (¼ in.)
of space left in the tank is required for fuel expansion,
more than 6.4 mm (¼ in.) is recommended. Fuel
can be forced out of the tank as a result of expansion
if it is overfilled, and can affect the stable running
condition of the product. When filling the tank, it is
recommended to leave enough space for the fuel to
expand.
6. Screw on the fuel cap and wipe away any spilled fuel.
Use regular unleaded gasoline with a minimum
octane rating of 85.
Do not mix oil and gasoline.
Fill tank to approximately 6.4 mm (¼ in.) below the
top of the tank to allow for fuel expansion.
DO NOT pump gas directly into the generator at the
gas station. Use an approved container to transfer
the fuel to the generator.
DO NOT fill fuel tank indoors.
DO NOT fill fuel tank when the engine is running or hot.
DO NOT overfill the fuel tank.
DO NOT light cigarettes or smoke when filling the
fuel tank.
CAUTION
Pouring fuel too fast through the fuel screen may
result in blow back of fuel at the operator while filling.
WARNING
Add Fuel Cont’d.
Our engines work well with 10% or less ethanol
blend fuels. When using blended fuels there are
some issues worth noting:
– Ethanol-gasoline blends can absorb more water
than gasoline alone.
– These blends can eventually separate, leaving
water or a watery goo in the tank, fuel valve and
carburetor.
– With gravity-fed fuel supplies, this compromised
fuel can be drawn into the carburetor and cause
damage to the engine and/or potential hazards.
– There are only a few suppliers of fuel stabilizer
that are formulated to work with ethanol blend
fuels.
– Any damages or hazards caused by using
improper fuel, improperly stored fuel, and/
or improperly formulated stabilizers, are not
covered by manufacture’s warranty.
It is advisable to always shut off the fuel supply,
run the engine to fuel starvation and drain the tank
when the equipment is not in use for more than 30
days.
NOTE
Grounding
Your generator must be properly connected to an
appropriate ground to help prevent electric shock.
A ground terminal connected to the frame of the generator
has been provided on the power panel. For remote
grounding, connect a length of heavy gauge (12 AWG
minimum) copper wire between the generator ground
terminal and a copper rod driven into the ground. We
strongly recommend that you consult with a qualified
electrician to ensure compliance with local electrical codes.
Failure to properly ground the generator can result
in electric shock.
WARNING

11
ENGLISH 100387
OPERATION
Generator Location
NEVER operate the generator inside any building,
including garages, basements, crawlspaces and sheds,
enclosures or compartments, including the generator
compartment of a recreational vehicle. Please consult
your local authority. In some areas, generators must
be registered with the local utility. Generators used at
construction sites may be subject to additional rules and
regulations. Generators should be on a flat, level surface
at all times. (Even while not in operation) Generators
must have at least 1.5 m (5 ft.) of clearance from all
combustible material. In addition to clearance from
all combustible material, generators must also have
at least 91.4 cm (3 ft.) of clearance on all sides to
allow for adequate cooling, maintenance and servicing.
Generators should never be started or operated in the
back of a SUV, camper, trailer, in the bed of a truck
(regular, flat or otherwise), under staircases/stairwells,
next to walls or buildings, or in any other location that
will not allow for adequate cooling of the generator
and/or the muffler. DO NOT contain generators during
operation. Allow generators to properly cool before
transport or storage.
Place the generator in a well-ventilated area. DO NOT
place the generator near vents or intakes where exhaust
fumes could be drawn into occupied or confined
spaces. Carefully consider wind and air currents when
positioning generator.
Failure to follow proper safety precautions may void
manufacturer’s warranty.
Do not operate or store the generator in rain, snow,
or wet weather.
Using a generator or electrical appliance in wet
conditions, such as rain or snow, or near a pool or
sprinkler system, or when your hands are wet, could
result in electrocution.
WARNING
WARNING
During operation the muffler and exhaust fumes
produced will become hot. If adequate cooling and
breathing space are not supplied, or if the generator
is blocked or contained, temperatures can become
extremely heated and may lead to fire.
Grounding
The generator system ground connects the frame to the
ground terminals on the power panel.
– The generator (stator winding) is isolated from the
frame and from the AC receptacle ground pin.
– Electrical devices that require a grounded receptacle
pin connection will not function if the receptacle
ground pin is not functional.
Starting the Engine
1. Make certain the generator is on a flat, level surface.
2. Disconnect all electrical loads from the generator.
Never start or stop the generator with electrical
devices plugged in or turned on.
3. Turn the fuel valve to the “On” position.
4. Pull choke lever out to the “Choke” position.
5. Turn the engine switch to the “On” position.

12
100387 ENGLISH
Connecting Electrical Loads
1. Let the engine stabilize and warm up for a few
minutes after starting.
2. Plug in and turn on the desired 120 Volt AC single
phase, 60 Hz electrical loads.
– DO NOT connect 3-phase loads to the generator.
– DO NOT connect 50 Hz loads to the generator.
– DO NOT overload the generator.
Connecting a generator to your electric utility
company’s power lines or to another power source
may be against the law. In addition this action,
if done incorrectly, could damage your generator
and appliances and could cause serious injury or
even death to you or a utility worker who may be
working on nearby power lines. If you plan to run a
portable electric generator during an outage, please
notify your electric utility company immediately
and remember to plug your appliances directly
into the generator. Do not plug the generator into
any electric outlet in your home. Doing so could
create a connection to the utility company power
lines. You are responsible for ensuring that your
generator’s electricity does not feed back into the
electric utility power lines.
If the generator will be connected to a building
electrical system, consult your local utility company
or a qualified electrician. Connections must isolate
generator power from utility power and must comply
with all applicable laws and codes.
NOTE
OPERATION
Starting the Engine Cont’d.
Economy Control Switch
The Economy Control switch can be activated in order to
minimize fuel consumption and noise while operating the
unit during times of reduced electrical output, allowing
the engine speed to idle during periods of non-use.
The engine speed automatically returns to normal when
an electrical load is connected. When the economy switch
is off, the engine runs at normal operating speed.
For periods of high electrical load or momentary
fluctuations, the Economy Control Switch should be
turned OFF.
WARNING
If the engine starts but does not continue to run
make certain that the generator is on a flat, level
surface. The engine is equipped with a low oil
sensor that will prevent the engine from running
when the oil level falls below a critical threshold.
NOTE
Keep choke in “Choke” position for only 1 pull
of the recoil starter. After first pull, push choke
in for up to the next 3 pulls of the recoil starter.
Too much choke leads to sparkplug fouling/engine
flooding due to the lack of incoming air. This will
cause the engine not to start.
NOTE
6. Pull the starter cord slowly until resistance is felt and
then pull rapidly.
7. As engine warms up, push the choke lever in to the
“Run” position.
Be sure all electric devices including the lines
and plug connections are in good condition before
connection to the generator.
NOTE

13
ENGLISH 100387
Stopping the Engine
1. Turn off and unplug all electrical loads. Never start
or stop the generator with electrical devices plugged
in or turned on.
2. Let the generator run at no-load for several minutes
to stabilize internal temperatures of the engine and
generator.
3. Turn the fuel valve to the “OFF” position.
4. Let the engine run until fuel starvation has stopped
the engine. This usually takes a few minutes.
5. Press the engine switch to the “OFF” position.
Important: Always ensure that the fuel valve and the
engine switch are in the “OFF” position when the engine
is not in use.
If the engine will not be used for a period of two (2)
weeks or longer, please see the Storage section for
proper engine and fuel storage.
NOTE
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.
OPERATION
While charging a device do not place on the
exhaust side of the generator. Extreme heat caused
by exhaust can damage the device, and cause a
potential fire hazard.
WARNING
Do not operate a device while it is plugged in to the
12V DC outlet.
Prolonged exposure to engine exhaust can cause
serious injury or death.
WARNING
12V DC Outlet – Battery Charging
1. Before connecting the battery charging cable to a
battery that is installed in a vehicle, disconnect the
vehicle battery ground cable from the negative (–)
battery terminal.
2. Plug the battery charging cable into the 12V DC
receptacle of the generator.
3. Connect the red (+) battery charger lead to the red
(+) battery terminal.
4. Connect the black (–) battery charger lead to the
black (–) battery terminal.
5. Start the generator.
Important: The 12V DC outlet is to be used ONLY with
the supplied 12V DC battery charging cable. The 12V
DC output is unregulated and will damage other 12V
DC products. When using the 12V DC outlet, turn the
Economy mode switch to the “OFF” position. Be sure all
electric devices including the lines and plug connections
are in good condition before connection to the generator.
Do not start the vehicle while the battery charging
cable is connected and the generator is running. It
will not give the battery a boost of power. The vehicle
or the generator may be damaged. Charge only vented
wet lead acid batteries. Other types of batteries may
burst, causing personal injury or damage.
CAUTION
12V DC Outlet
The 12V DC outlet can be used with the supplied
charge cable and USB charger and other commercially
available 12V DC automotive style plugs. The DC output
is unregulated and can damage some products. Confirm
your accessory input voltage range is at least 12-24V
DC. When using the DC outlet, turn the Economy mode
switch to the “OFF” position.
12V DC Outlet - Battery Charging Cont’d.

14
100387 ENGLISH
Never exceed the specified capacity when adding
loads to the generator.
NOTE
OPERATION
Parallel Operation
The Champion model 100387 is parallel ready and can
be operated in parallel with another Champion unit to
increase the total available electrical power. A Champion
model 100333 parallel kit (optional equipment) is
required for parallel operation. For a list of compatible
models or to order a parallel kit, please call customer
service at 1-877-338-0999 or visit
www.championpowerequipment.com.
Detailed instructions for parallel kit installation and
operation of the connected generators are provided in the
parallel kit owner’s manual.
Overload Operation
The overload indicator light will turn on when the rated
load is exceeded. When the maximum load is reached,
the LED will blink and cut power to the receptacles.
To recover the power, shut down the generator, wait until
the light turns off and restart the generator.
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
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
305 m (1,000 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.
Do Not Overload the Generator Cont’d.
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.
Carburetor
Code Main Jet Part Number Altitude
P20-2-H
Standard 83.131017.01.H
1067 Meters
(3500 Feet)
Altitude 83.131017.01.01.H
P20-2-Y
Standard 83.131017.01.Y
Altitude 83.131017.01.01.Y

15
ENGLISH 100387
MAINTENANCE AND STORAGE
The owner/operator is responsible for all periodic
maintenance.
Complete all scheduled maintenance in a timely manner.
Correct any issue before operating the generator.
Air Filter
1. Remove the maintenance cover.
2. Locate the air filter plastic cover.
3. Unsnap the locking hinge on the cover.
4. Remove the old filter.
5. Place the new filter in the assembly.
6. Re-snap the hinge on the air filter cover.
7. Reinstall the maintenance cover and tighten the
cover screw securely.
Spark Plugs
1. Remove the maintenance cover.
2. Remove the spark plug cable from the spark plug
3. Use a spark socket (not included) to remove the plug.
4. Remove the spark plug.
5. Inspect the electrode on the plug. It must be clean
and not worn to produce the spark required for
ignition.
6. Make certain the spark plug gap is 0.7 - 0.8 mm
(0.028 - 0.031 in.).
7. Carefully thread the plug into the engine.
8. Use a spark plug socket (not included) to firmly
install the plug.
9. Attach the spark plug cap to the plug.
10. Reinstall the spark plug access cap, and
maintenance cover.
For service or parts assistance, contact our help
line at 1-877-338-0999
NOTE
Maintenance, replacement, or repair of emission
control devices and systems may be performed
by any non-road engine repair establishment or
individual.
NOTE
Never operate a damaged or defective generator.
WARNING
Tampering with the factory set governor will void
your warranty.
WARNING
Improper maintenance will void your warranty.
WARNING
Oil Cont’d.
0.7 - 0.8 mm
0.028 - 0.031 in.
Once oil has been added, a visual check should show
oil about 1-2 threads from running out of the fill hole.
If using the dipstick to check oil level, DO NOT screw
in the dipstick while checking.
NOTE
Engine Maintenance
To prevent accidental starting, remove and ground spark
plug wire before performing any service.
Oil
Change oil when the engine is warm. Refer to the oil
specification to select the proper grade of oil for your
operating environment.
1. Set the generator on top of a work bench or table.
2. Loosen the cover screws and remove the
maintenance cover.
3. Pop up the rubber maintenance plug, from below the
drain bolt.
4. Remove the drain bolt.
5. Allow the oil to drain completely.
6. Replace the drain plug.
7. Add up to 0.6 L (0.6 qt.) of oil and replace oil fill
cap/dipstick. DO NOT OVERFILL.
8. Reinstall the maintenance cover and tighten the
cover screws.
9. Dispose of used oil at an approved waste
management facility.

16
100387 ENGLISH
Adjustments
The air-fuel mixture is not adjustable. Tampering with
the governor can damage your generator and your
electrical devices and will void your warranty.
CPE recommends that you contact our service line at
1-877-338-0999 for all other service and/or adjustment
needs.
Maintenance Schedule
Follow the service intervals indicated in the following
maintenance schedule.
Service your generator more frequently when operating
in adverse conditions.
Contact our helpline at 1-877-338-0999 to locate the
nearest Champion Power Equipment certified service
dealer for your generator or engine maintenance needs.
Failure to clean the spark arrester will result in
degraded engine performance.
CAUTION
*To be performed by knowledgeable, experienced owners or
Champion Power Equipment certified dealers.
MAINTENANCE AND STORAGE
Every 8 hours or daily
Check oil level
Clean around air intake and muffler
First 5 Hours
Change oil
Every 50 hours or every season
Clean air filter
Change oil if operating under heavy load or in hot
environments
Every 100 hours or every season
Change oil
Clean/Adjust spark plug
Check/Adjust valve clearance*
Clean spark arrester
Clean fuel tank and filter*
Every 250 hours
Clean combustion chamber*
Every 3 years
Replace fuel line
Spark Arrester
1. Allow the engine to cool completely before servicing
the spark arrester.
2. Remove the two (2) screws holding the cover plate
that retains the end of the spark arrester to the
muffler.
3. Remove the spark arrester screen.
4. Carefully remove the carbon deposits from the spark
arrester screen with a wire brush.
5. Replace the spark arrester if it is damaged.
6. Position the spark arrester in the muffler and attach
with the two (2) screws.

17
ENGLISH 100387
MAINTENANCE AND STORAGE
Generator Maintenance
Make certain that the generator is kept clean and stored
properly. Only operate the unit on a flat, level surface in
a clean, dry operating environment. DO NOT expose the
unit to extreme conditions, excessive dust, dirt, moisture
or corrosive vapours.
Use a damp cloth to clean exterior surfaces of the generator.
Use a soft bristle brush to remove dirt and oil.
Use an air compressor (25 PSI) to clear dirt and debris
from the generator.
Inspect all air vents and cooling slots to ensure that they
are clean and unobstructed.
DO NOT spray engine with water.
Water can enter the generator through the cooling
slots and damage the generator windings. It can
also contaminate the fuel system.
CAUTION
Gasoline, gasoline vapours and liquid petroleum gas
(LPG/propane) are highly flammable and extremely
explosive.
Fire or explosion can cause severe burns or death.
Only fill or drain fuel outdoors in a well-ventilated
area. Do not pump gasoline directly into the
generator. Use an approved container to transfer the
fuel to the generator. Never use a fuel container,
hose, cylinder or any other fuel related item that
is damaged or appears damaged. Do not overfill
the fuel tank. Always keep fuel away from sparks,
open flames, pilot lights, heat and other sources of
ignition. Do not light or smoke cigarettes.
DANGER
Short Term Storage Cont’d.
Short Term Storage (up to 1 year)
Gasoline in the fuel tank has a maximum shelf life of up
to 1 year with the addition of properly formulated fuel
stabilizers and if stored in a cool, dry place. Gasoline
in the carburetor, however, WILL gum up and clog the
carburetor if it isn’t used or drained within 2 weeks.
Long Term Storage (over 1 year)
For storage over 1 year, the fuel tank and carburetor must
be completely drained of gasoline.
1. Be sure all appliances are disconnected from the
generator.
2. Add a properly formulated fuel stabilizer to the fuel
tank.
3. Run the generator for 10 minutes so the treated fuel
cycles through the fuel system and carburetor.
4. Run Dry Option:
a. Let the generator run to complete fuel starvation.
b. Turn engine switch to the “OFF” position.
c. Allow generator to cool completely.
5. Drain Fuel Option:
a. Turn engine switch to the “OFF” position.
b. Allow generator to cool completely.
Cleaning
Storage
1. Be sure all appliances are disconnected from the
generator.
2. Add a properly formulated fuel stabilizer to the tank
(2-3 times manufacturer’s recommended amount).
3. Run the generator for 10 minutes so the treated fuel
cycles through the fuel system and carburetor.
4. With the generator running, turn the fuel valve to the
“OFF” position and let the generator run until fuel
starvation has stopped the engine. This usually takes
a few minutes.
5. Turn engine switch to the “OFF” position.
6. Allow generator to cool completely before continuing.
7. Optional: to ensure fuel is completely drained from
the carburetor, use the drain bolt on the carburetor
to empty any excess gasoline into an appropriate
container.
8. Remove the spark plug cap and spark plug and pour
about a tablespoon of oil into the cylinder.
9. Pull the recoil slowly to crank the engine to
distribute the oil and lubricate the cylinder.
10. Reattach the spark plug and spark plug cap.
11. If the generator includes a battery, disconnect and
charge according to Generator Battery.
12. Clean the generator according to Generator
Maintenance.
13. Store the generator in a cool, dry place out of direct
sunlight.