LIFAN Power USA PRO Series Assembly instructions

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Operating Instructions
And
Owner’sManual
PRO SERIES
LF4000-(CA), LF7250-(CA)
LF8750iE-(CA)
Record Purchase Here
Model # ___________________________

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Engine ID # _________________________
(Unique Identifier stamped on engine crankcase)
Date of Purchase ____________________
Purchase Location ____________________
PLEASE KEEP AND READ THIS MANUAL CAREFULLY BEFORE
OPERATING YOURNEWPORTABLEGENERATOR
( --‐ CSA-CA)Indicatesth i sun i t i sCSA (Canadian Compliant)
And CARB Certified (California Compliant)
(E) Indicates th i sun i t i s
Equ i ppedw i thE l ectr i cStart
PLEASE READTHE
FOLLOWINGINSTRUCTIONS!

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1. Unit Shipped with “NO OIL” in Engine or where applicable pumps and/or accessories. Check and fill with
proper oil as outlined in the Owner’s Manual for the respective product.
2. Fo r re pai r und er Warr an ty o r qu e stions c on cer nin g Warr an ty, DO N OT re tu r n this p r odu ct to th e Sto re
w h ere pu rc has e d. Follo w th e p r o ce du re s as outlin e d in th e “ WARRAN TY P OLICY” and “ WARRAN TY
RE G IST RA TIO N ” in th e O w n er’ s Manual. Fo r an y qu e stions v isi t www .lifanpo wer usa. c o m o r c all 1 -‐‐ 866 -
‐‐ 471 -‐‐ 7464 OPTION 1.
3. Re ad th e “O w n er’ s Manual” p r io r to op er atin g an ye quip me n t and f am ili ar i ze y ou r s e lf w ith th e p r op er
and saf e op er ation of th e e quip me nt. If y ou h ave an y qu e stions v isi t www .lifanpo wer usa. c o m o rc all 1 -
‐‐ 866 -‐‐ 471 -‐‐ 7464.
LF4000-CA
LF7250-CA
LF8750iE-CA

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(LF) Indicates this unit is a LIFAN Power USAProduct
( -‐‐ CA ) I ndi cate s this uni t is C ARB C er tifi e d fo r Califo r nia
(E) Indicates this unit is equipped with ElectricStart
( I ) Indicated the unit is equipped with Auto Idle Feature
Table ofContents
Preface 4
Safety Instructions 5
Product Specifications 9
Voltage Regulator Switch 10
Copper VS Aluminum 11
Total Harmonic Distortion 12
Controls & Features 13

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Legend 15
P RE -‐‐ O P E RA T INGIN ST RU CTIO N S 16
Assembly 16
Battery Specifications 19
GeneratorSetup 20
Operation of Generator 23
Storing the Unit 27
Maintenance 28
Troubleshooting 33
Generator Wattage ReferenceWorksheet 34
Limited Warranty Policy 36
APPENDIX 42
Exploded Views/Wiring Diagrams 43
Preface
Thank you for choosing LIFAN Power USA for your Power Equipment Needs.LIFANPower USA prides
itself on providing quality products at affordable pricing, creatingthe“Best Equipment Value on

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Today’s Market!”
All LIFAN Power USA products are manufactured utilizing the latest
technology.Builtwithqualitycomponents,yournewPowerEquipmentProductwillgiveyouyearsof
dependable service. Your unit, along with all of LIFAN Power USA products aredesigned, engineered,
and manufactured with LIFAN’s Industrial Grade GasolineEngine.
ThisO w n er’ sManual w illp r o v id ey ou w ithallof y ou r n ee d e dinfo rm ationfo ry ou r n ew
Power Equip mentPro du ct, in c ludin g Saf e Op er ation and Main te nan ce of y ou r unit.
P l e as ere adthisO w n er’ sManual c o m pl ete l y and care full y p r io r toop er ation. Kee pthis
O w n er’ sManualfo r assistan ce inth e futu re, su c hasp r op erm ain te nan ce s c h e dul e sand
tipstop r olon g th e lif e and e ff ec ti ve us e of y ou r unit. If y ou re qui re assistan ce, pl e as e v isi t ou rwe bsi te
( www .lifanpo wer usa. c o m ) o rc all toll f ree866 -‐‐ 471 -‐‐ 7464 OPTION 2.
ThisOwner’sManualcontainsinformationwithrespecttothenewestproductsatthetimeofpublication.Du
etorevisionandmodifications,theinformationnotedintheOwner’sManualmightvaryfromtheactualstatu
s.ThisOwner’sManualissubjectto change without notice. The copyright of this Owner’s Manual
belongs toEquipSource,LLC. Any group or individual is forbidden to reprint or copy any of this
Owner’sManual without the written consent of EquipSource,LLC.
FO R ALL W ARRAN T YAN D SE RV I C EREL AT E D ISSUES/QUES T I O NS DO N OT RE T URN
Y O URUNI TTOT HES TO RE O R D EALER W HERE T HEI T E MW AS P U RC HASE D.
FO R SE RV I C E V ISI T LIFAN POW ER USA’S W EBSI T E( WWW. LIFAN POW ERUS A.CO M) O R C ALL 1-866-471-7464
OPTION 2 . W E W ILLBEH APP Y TO HAN D LEY O UR W ARRAN T YISSUE O R D IRE CT Y O U TO T HENEARES T “ AU T H O RIZE D
SE RV I C E C EN T E R.”

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SAFETYRULES
For your safety read this manual carefully.Becomefamiliar with the proper operation, care, andmaintenance of your Lifangenerator
.
The safety and alert symbol (A ) is used with a
signalword (CAUTION,DANGER,WARNING),apictorialand/orsafetymess
ageto alert you to hazards. CAUTION indicates a hazard which,
ifnotavoided could be harmful.
might result in minor or moderate injury.DANGERindicates a hazard which, if
not avoided, will result in
deathorseriousinjury.WARNINGindicatesahazardwhich,ifnotavoided,could result
in death or seriousinjury.
A WARNING!
Rapid recoil of startercord (kickback)
may pull handand armforward
toward engine at a rapidrate.
Brokenbones,bruises, sprains, and
Fracturesmay result.
•
When starting engine, pull cordslowly until
Tension is felt, then pull rapidly to avoid kickback.
•
Never start orstop engine with electrical
Devices plugged in and turned on.Doing so is
hazardous and will damage generator.
Generatorproduces powerful voltage!
Only a licensed electrician cansafely
Connect hookups. Failure to isolate
generator from electrical grid can result
in death to utility workers as well as
Others.
i
connect generator to existing utility
•
When using generator as backup power, notify
Utility company. Use approvedtransfer
equipment to isolategenerator from electric utility.
•
Do Notoperategenerator while exposed to
Rain orotherwet conditions.
•
Do not ha ndlegeneratorwhen in contact with water.
•
Do notcontact bare wiresor receptacles.
•
Inspectall electrical cords for damage and

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WARNING!
Fuel and its vapors are extremely flammable andexplosive.
Fire or explosion can cause severe burns ordeath.
This generator does notmeet U.S . Coast GuardRegulation 33CFR-
1 83and should not be used on marineapplications.
Use of thisgenerator on marineapplicationscouldresult in injuryor death .
Exhaustgas mustbe prevented fromenteringconfinedareas .
Direct exhaust gasawa y fromwindows ,doors,ventilation and
Do notoperate generatorinside or underan y buildings. O perating
this generator inside the compartment of a
recreational vehicle will likelyresult in death
WARNING!
The engine exhaust from this generatorcontains chemicals known to the state of California to caus
e birth defects, reproductiveharm, and cancer

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WHEN ADDING OR DRAININGFUEL
 Turn generator off and let it cool for at least three minutes before removing fuel cap. Loosen cap slowly in
ordertorelieve pressure in the fueltank.
 Fill or drain fuel tank outdoors. Do not excessively inhale fuelvapors.
 Keep away from open flames or sparks and other sources ofignition.
 Do NOT smoke while filling fueltank.
 Do NOT overfill tank. Allow space for fuelexpansion.
WHEN TRANSPORTING OR REPAIRING EQUIPMENT
 Transport generator with the fuel valve in the offposition.
 Repair generator with the fuel tank empty or the fuel valve in the offposition.
 Disconnect spark plug wire before transport orservice.
WHEN STORING FUEL OR EQUIPMENT CONTAININGFUEL
 Store away from furnaces, stoves, water heaters, clothes dryers or other appliances that have pilot light
orotherignition source because they can ignite fuelvapors.
WHEN STARTINGEQUIPMENT
 Ensure spark plug, muffler, air cleaner, and fuel cap are inplace.
 Do NOT crank engine with spark plugremoved.
 If fuels spills, wait until it evaporates before startingengine.
WHEN OPERATING EQUIPMENT
 Do not choke carburetor to stopengine.
 Do not tip engine or equipment at an angle, which causes fuel tospill.
 This generator is not for use in marineapplications.
CAUTION!
Excessivelyhighoperatingspeeds(enginerevolutions)increasetheriskofinjuryanddamagetothegenerator.Excessively low speeds
impose a heavy load and will damagegenerator.
 Do NOT adjust engine speed governor. Generator supplies correct voltage and frequency at designatedspeed.
 Modifying generator in any way may be dangerous and will voidwarranty.

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WARNING!
While engine is running temperature may exceed
150°F(65°C).Server burns mayoccur.
Exhaust heat/gasses can ignite combustibles, structures or damage fuel tank
causingafire.
 Do NOT touch hot surfaces and do avoid exhaust gasses.
 Allow generator to cool before touching.
 Keep at least 7 ft. (183cm) clearance on all sides of generator including overheadclear.
 Reflective exhaust heat may damage fuel tank causingfire.
 CodeofFederalRegulation(CFR)Title36Parks,Forests,andPublicPropertyrequireequipmentpoweredbyaninternalcombustion
enginetohaveasparkarrester,maintainedinworkingorder,complyingtoUSDAForestservicestandard5100 -‐‐ 1corlaterrevision.
InthestateofCaliforniaasparkarresterisrequiredundersection4442oftheCaliforniaPublicresourcescode.
WARNING!
Unintentional sparking can result in fire orelectrical
shock.
WHEN TESTING FOR ENGINESPARK
 Do NOT check for spark with the spark plugremoved.
 Use approved spark plugtester.
WHEN REPAIRING OR ADJUSTINGGENERATOR
 Disconnect the spark plug wire from the spark plug and place the wire where it cannot contact sparkplug.
CAUTION!
Improper use and care of this generator will cause damage and shorten its lifespan. Failure to follow these actions will
voidallwarranties.

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 Use generators only for appropriate and designatedpurposes.
 Thedealerorcustomerhelpline(1 -‐‐ 866 -‐‐ 471 -‐‐ 7464)caninstructyouonintendeduses.
 Generator must be placed on a levelsurface.
 Do NOT expose generator to extreme conditions. Excessive dust, moisture, and corrosive vapors will damageunit.
 Cooling slots must be kept clear ofdebris.
 Do not connect improperly operating devices togenerator.
 Shut off generator and take to a qualified service center if the generator fails to operateproperly.

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Generator Safety
1. Never operate gasoline engine powered products in any enclosed spaces,asthey product deadly
Carbon Monoxide PoisonousGases.
2. Never hook a generator directly to your home circuit without theproper installation by a Licensed
Electrician and without the proper powertransfer devices.
3. Do NOT operate your power equipment in inclement weather such asrain,snow, and/or sleet.
4. Do NOT operate your power equipment within five (5) feet of anyflammable materials.
5. Wh en refuel in g th e po wer e quip me ntn ever s m o ke o r ref u e ln e a r any f la me o r ignition devices. Never
refue l w hiletheunitis r unning . If duringthe refue ling proce ss some fue lisspil le d,always com ple te ly cle anthe
fue landallow suf ficie nt dr yin g ti me p ri o r to re - startingtheunit. G asoline v aporsignite e asily and are
ver ydange r ous.
6. Do NOT parallel connect this model. Generator cannot be combinedwithother electric wires or
multiple socketboxes.
7. Do NOT lengthen the exhaust pipe or vent it with anyextension.
8. Use SJ or SJO type extension cords ifnecessary.
9. Do not use extension cords exceeding: 16 Gauge, 200ft or 10 Gauge,330ft.
10. NEVER ALLOW CHILDREN OR ANIMALS TO BE NEAR THIS EQUIPMENTDURING OPERATION. ONLY
QUALIFIED PERSONS SHOULD OPERATE THISEQUIPMENT. FOLLOW ALL GUIDELINES CONTAINED IN THIS
OWNER’S MANUAL FORTHESAFE OPERATION OF THISEQUIPMENT.

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Products Specifications
PORTABLE GENERATORS
ModelSize
LF4000-CA
LF7250-CA
LF8750iE-CA
Voltage
120/240VAC&12VD
C
120/240VAC&12VDC
120/240VAC&12VDC
ACSurgeOutput1
4000Watts
7250Watts
8750Watts
RatedACOutput2
3500Watts
6500Watts
7500Watts
MaximumACAmperage
28amps@120V
48amps@120V
62amps@120V
ACCycle
60Hertz
60Hertz
60Hertz
Brushless Altenator
Storage Capacitor
AVR3
AVR3
12V8.3ampDCReceptacle
2ea.
2ea.
2ea.
120V20ampACGFCIReceptacle
1ea.
2ea.
2ea.
120V30ampACTwistLockRecept
acle
N/A
a
1ea.
1ea.
120/240V30ampACTwistLockRe
ceptacle
1ea.
1ea.
1ea.
USB Port
1 ea
1 ea
1 ea
CircuitProtection
MasterCircuitBreaker
MasterCircuitBreaker
MasterCircuitBreaker

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ENGINE
Manufacturer
LIFAN
LIFAN
LIFAN
Model
LF168F2-13111
LF188FI-13111
LF190FD-13111
Maximum Horsepower(MHP)
6.5MHP
13MHP
15MHP
EngineDisplacement
196cc
388cc
420cc
StartingSystem
Recoil
Recoil
Recoil/Electric
Fuel TankCapacity
4 Gallons
7.5Gallons
7.5Gallons
Fuel TankMaterial
RustPreventativeCoat
edSteel
RustPreventativeCoate
dSteel
RustPreventativeCoate
dSteel
Run Time (@ 50%Load)
10hours
10hours
10 hours
Sound Level (@ 7m or23ft)
65decibels
75decibels
75decibels
EngineType
4IStrokeOHV
4IStrokeOHV
4IStrokeOHV
FuelType
Automotive Grade
UnleadedGasoline
Automotive Grade
UnleadedGasoline
Automotive Grade
UnleadedGasoline
FuelCompliance
10% EthanolMix
10% EthanolMix
10% EthanolMix
Oil Type &Amount
SAE 10w30w20oz
SAE 10w30w32oz
SAE 10w30w32oz
Automatic IdleControl
N/A
N/A
Yes
Low Oil ShutoffProtection
Yes
Yes
Yes
CARBCertified
(ICA) ModelsOnly
(ICA) ModelsOnly
(ICA) ModelsOnly
ACCESSORIES
Spark PlugWrench
1 ea.
1 ea.
1 ea.
Mobility/Wheel Kit
All Models
All Models
All Models
Battery (Not Included)
Battery Maintainer
See Battery Chart
Not Included
Not Included
Not Included
See Battery Chart
Not Included
1 = Temporary Power available for
no more than 10 seconds
2 = Power Available for
ContinuousOperation
Comments
3
=
A
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V
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LF4250EPL-CA and LF7250IPL-CA models are equipped with a Voltage Selector Switch to get Maximum Performance
and power from your unit. See location of Voltage Selector Switch on controls & Features section on page 9.

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Controls andFeatures
LF4250
LF7250

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LF8750
Controls and Features Of Unit