background image

Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

Email our engine support at: [email protected]

Owner’s Manual & Safety Instructions

Save This Manual

 

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 

back of the manual near the assembly diagram (or month and year of purchase if product has no number). 

Keep this manual and the receipt in a safe and dry place for future reference. 

20k

Using a generator indoors CAN 

KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide.  

This is a poison you cannot see or smell.

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.

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-888-866-5797 as soon as possible.

Copyright

©

 2020 by Harbor Freight Tools

®

.  All rights reserved.  

No portion of this manual or any artwork contained herein may be reproduced in 

any shape or form without the express written consent of Harbor Freight Tools.  

Diagrams within this manual may not be drawn proportionally.  Due to continuing 

improvements, actual product may differ slightly from the product described herein.  

Tools required for assembly and service may not be included.

Read this material before using this product. 

Failure to do so can result in serious injury. 

SAVE THIS MANUAL.

Summary of Contents for 57080

Page 1: ...This is a poison you cannot see or smell 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 When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2020 by Harbor Freight Tools All rights reserved No portion of this manua...

Page 2: ...cement 459cc Compression Ratio 8 5 1 Engine Type Horizontal Single Cylinder 4 stroke OHV Cooling System Forced air cooled Fuel Type 87 octane stabilizer treated unleaded gasoline Capacity 6 8 Gallons Engine Oil Type SAE 10W 30 Capacity 37 fl oz Run Time 25 Load with full tank 18 5 hr Sound Level at 23 feet 25 load 67 dB Bore x Stroke 92mm x 69mm Spark Plug Type BPR6ES NGK or equivalent Gap 0 027 0...

Page 3: ... of Eye Injury Wear ANSI approved safety goggles with side shields Read the manual before set up and or use Symbol Property or Statement WARNING marking concerning Risk of Hearing Loss Wear hearing protection WARNING marking concerning Risk of Respiratory Injury Operate engine OUTSIDE and far away from windows doors and vents WARNING marking concerning Risk of Fire while handling fuel Do not smoke...

Page 4: ... Operating Precautions 1 CARBON MONOXIDE HAZARD Using a generator indoors CAN KILL YOU IN MINUTES Generator exhaust contains carbon monoxide This is a poison you cannot see or smell OFF run STarT LOW OiL OVErLOaD OuTpuT paraLLEL OuTLETS rESET aC 120V rESET DC 12V ESC THrOTTLE OFF run STarT LOW OiL OVErLOaD OuTpuT paraLLEL OuTLETS rESET aC 120V rESET DC 12V ESC THrOTTLE NEVER use inside a home or g...

Page 5: ...rator unattended when it is running Turn off the generator and remove safety keys if available before leaving the work area 24 The generator can produce high noise levels Prolonged exposure to noise levels above 85 dBA is hazardous to hearing Wear ear protection when operating the generator or when working nearby while it is operating 25 Keep access doors on enclosures locked 26 Wear ANSI approved...

Page 6: ...t shields among other guards 3 Keep all electrical equipment clean and dry Replace any wiring where the insulation is cracked cut abraded or otherwise degraded Replace terminals that are worn discolored or corroded Keep terminals clean and tight 4 Do not alter or adjust any part of the equipment or its engine that is sealed by the manufacturer or distributor Only a qualified service technician may...

Page 7: ...fied electrician if you are not qualified to do so 2 To ground the Generator connect a 4 AWG grounding wire not included from the Grounding Terminal on the Control Panel to a grounding rod not included The grounding rod must be an earth driven copper or brass rod electrode which can adequately ground the Generator 3 Refer to local regulations for ground source information Electric Starter Battery ...

Page 8: ...p Fuel Gauge Control Panel Air Filter Spark Plug Battery Access Panel Combination Switch Oil Fill Access Door Figure B Generator Components WARNING TO PREVENT SERIOUS INJURY Follow Parallel Kit instructions for connection and use of a Parallel Kit Parallel Kit and instructions sold separately Generator must be in 120V 240V mode for parallel function ...

Page 9: ... 10W 30 oil is recommended for general use 6 Thread the Oil Fill Cap Dipstick back in clockwise and replace the Oil Fill Access Door NOTICE Do not run the engine with too little oil Engine will shut off if engine oil level is too low Oil Fill Access Door Full Level xx xx xxx Oil Fill Cap Dipstick Checking and Filling Fuel WARNING TO PREVENT SERIOUS INJURY FROM FIRE Fill the fuel tank in a well ven...

Page 10: ...Engine starts Do not let the Starter Handle snap back against the housing Hold it as it recoils so it doesn t hit the housing 5 After the engine starts allow to run for 20 seconds then turn the Combination Switch to the RUN position If engine does not start Check engine oil level Engine will not start with low or no engine oil Check spark arrestor cleanliness Engine will not start if spark arresto...

Page 11: ...NT SERIOUS INJURY AND DEATH FROM CARBON MONOXIDE INHALATION The Carbon Monoxide sensor is an additional layer of protection only Do not use the Generator in any area or situation that will allow carbon monoxide to accumulate FLASHING RED LIGHT Dangerous levels of carbon monoxide gas have built up Leave immediately until area has aired out Move Generator to well ventilated area before operation FLA...

Page 12: ...is 12VDC circuit protection is tripped reduce the load and press the Reset Button next to the outlet Connecting 120VAC Loads to the Generator Calculate Power Draw Power draw can be calculated by multiplying volts and amps The resulting number is wattage Never exceed the running wattage for the Generator or any outlet amperage rating Refer to appliance tool owner s manuals to determine the wattage ...

Page 13: ...e Generator again 5 Restart the Engine and reconnect devices while being careful to not overload Generator Low Oil Indicator 1 If the Engine oil level is too low the LOW OIL light turns on and the Engine will automatically shut off 2 The Engine cannot be restarted until the proper amount of oil has been added Add the appropriate type of oil until the oil level is at the proper level SAE 10W 30 oil...

Page 14: ...mal conditions use the following procedure to shut off the Generator 1 Turn all electrical load devices off and unplug them from the Generator If the Economy Switch is ON turn it to the OFF position 2 Turn the Combination Switch OFF On STarT OFF STarT CHOKE On STarT OFF ENGINE SWITCH On OFF On STarT OFF OFF STORAGE run STarT CHOKE 1 ECONOMY SWITCH OFF STORAGE run STarT CHOKE Combination Switch 2 ...

Page 15: ... Maintenance and Lubrication Schedule Note This maintenance schedule is intended solely as a general guide If performance decreases or if equipment operates unusually check systems immediately The maintenance needs of each piece of equipment will differ depending on factors such as duty cycle temperature air quality fuel quality and other factors Note The following procedures are in addition to th...

Page 16: ...ge CAUTION Oil is very hot during operation and can cause burns Wait for engine to cool before changing oil 1 Make sure the Engine is stopped and is level 2 On the right side of the Generator loosen the Screws and remove the Oil Fill Access Door as shown to the right 3 Remove the lower Rubber Seal from underneath the Generator See below Lower Seal Oil Drain Plug Upper Seal 4 Place an oil drain pan...

Page 17: ...s oil 5 Install the cleaned filter 6 Secure the Air Filter Cover and replace the Access Panel before use Spark Arrestor Maintenance TO PREVENT SERIOUS INJURY AND FIRE Operate only with proper spark arrestor installed 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 r...

Page 18: ...d with a fuel stabilizer additive Follow fuel stabilizer manufacturer s recommendations for use Refer to Checking and Filling Fuel on page 16 Aged gasoline that has not been treated with stabilizer ahead of time must be safely drained away and not run through the engine WARNING To prevent serious injury and fire close the Fuel Valve before draining the Carburetor After closing the Fuel Valve place...

Page 19: ...er Reinstall spark plug and set Choke to START position 9 Replace Fuel Filter IGNITION SPARK RELATED 1 Engine Switch at OFF position 2 Spark plug cap not connected securely 3 Spark plug electrode wet or dirty 4 Incorrect spark plug gap 5 Spark plug cap broken 6 Incorrect spark timing or faulty ignition system IGNITION SPARK RELATED 1 Turn Engine Switch to ON position 2 Connect spark plug cap prope...

Page 20: ...d technician service magneto 7 Secure spark plug cap Engine stops when under heavy load 1 Dirty air filter 2 Engine running cold 1 Clean element 2 Allow engine to warm up prior to operating equipment Engine knocks 1 Old or low quality gasoline 2 Engine overloaded 3 Incorrect spark timing deposit buildup worn engine or other mechanical problems 1 Fill fuel tank with fresh 87 octane stabilizer treat...

Page 21: ...TS LISTS AND ASSEMBLY DIAGRAMS IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEME...

Page 22: ...late Assembly 2 47 Handle Tube Front Handle Tube 1 48 Handle Tube Front Handle Tube 1 49 Hex Flange Bolt M6 1 43 50 Right Plate Assembly 2 51 Plug Drain Bolt Plug 2 52 Right Window Assembly 1 Part Description Qty 53 Right Side Oil Plate Assembly 1 54 Left Plate Assembly 1 55 Alternator Cover Plate Assembly 1 56 Panel Seal 1 57 Inverter Cover Plate Assembly 1 58 Handle Sleeve 3 59 Clamp B10 5 2 60 ...

Page 23: ...Page 23 For technical questions please call 1 888 866 5797 ITEM 57080 Safety Operation Maintenance Setup Assembly Diagram Generator ...

Page 24: ... Pin Φ Φ 15 20 62 1 46A Connecting Rod Assy 1 47A Hex Flange Bolt M12 1 5 2 Part Description Qty 48A Aluminum Washer 2 49A Crankcase 1 50A Metal Clip 1 51A Oil Alert 1 52A Speed Governor 1 53A Metal Clip 1 54A Oil Seal 2 55A Coil Assembly Ignition 1 56A Hex Flange Bolt M8 1 25 2 57A Flywheel Part 1 58A Charging Coil Unit 1 59A Hex Flange Bolt M6 1 2 60A Wire Press Plate 1 61A Fan 1 62A Pulley Star...

Page 25: ...Page 25 For technical questions please call 1 888 866 5797 ITEM 57080 Safety Operation Maintenance Setup Assembly Diagram Engine ...

Page 26: ... in addition to the Retail Warranty above In California new equipment that uses small off road engines must be designed built and equipped to meet the State s stringent anti smog standards HFT must warrant that the emissions control system on your small off road engine will be free from defects in material and workmanship for the period listed below provided there has been no abuse neglect or impr...

Page 27: ...a retail store or by HFT paying for shipping the product for repair 5 Notwithstanding the provisions herein warranty services or repairs must be provided at all retail stores that are franchised to service the subject engine or by contacting HFT product support at 1 888 866 5797 or productsupport harborfreight com 6 The owner must not be charged for diagnostic labor that leads to the determination...

Page 28: ... Fuel Cap 3 Fuel Lines for liquid fuel and fuel vapors 4 Fuel Line Fittings 5 Clamps 6 Pressure Relief Valves 7 Control Valves 8 Control Solenoids 9 Electronic Controls 10 Vacuum Control Diaphragms 11 Control Cables 12 Control Linkages 13 Purge Valves 14 Gaskets 15 Liquid Vapor Separator 16 Carbon Canister 17 Canister Mounting Brackets 18 Carburetor Purge Port Connector Note As they relate to the ...

Reviews: