Predator 2000 Watt Inverter Generator Owner's Manual & Safety Instructions

Introduction and Safety First

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.

PREDATOR

2000 WATT INVERTER GENERATOR

1600 RUNNING WATTS
2000 MAX STARTING WATTS

⚠️ DANGER

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.

Item Number: 62523

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

Email our technical support at: productsupport@harborfreight.com

Email our engine support at: predator@harborfreight.com

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.

© 2015 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.

⚠️ WARNING

Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.

Specifications

The emissions control system for this Engine is warranted for standards set by the U.S. Environmental Protection Agency and by the California Air Resources Board (also known as CARB). For warranty information, refer to the last pages of this manual.

Safety Symbols and Definitions

WARNING SYMBOLS AND DEFINITIONS

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

Symbol Definitions

IMPORTANT SAFETY INSTRUCTIONS

⚠️ WARNING! Read all instructions.

Failure to follow all instructions listed below may result in fire, serious injury and/or DEATH. The warnings and precautions discussed in this manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator.

SAVE THESE INSTRUCTIONS.

Setup Precautions

1. Gasoline fuel and fumes are flammable, and potentially explosive. Use proper fuel storage and handling procedures. Do not store fuel or other flammable materials nearby.
2. Have multiple ABC class fire extinguishers nearby.
3. 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.
4. Set up and use only on a flat, level, well-ventilated surface.
5. All connections and conduits from the Generator to the load must only be installed by trained and licensed electricians, and in compliance with all relevant local, state, and federal electrical codes and standards, and other regulations where applicable.
6. Connections for standby power to a building electrical system must be made by a qualified electrician. The connection must isolate the Generator power from utility power, and must comply with all applicable laws and electrical codes.
7. Wear ANSI-approved safety goggles, heavy-duty work gloves, and dust mask/respirator during set up.
8. Use only lubricants and fuel recommended in the Specifications chart of this manual.
9. Improper connections to a building electrical system can allow electrical current from the Generator to backfeed into the utility lines. Such backfeed may electrocute utility company workers or others who contact the lines during a power outage, and the Generator may explode, burn, or cause fires when utility power is restored. Consult the utility company and a qualified electrician if intending to use the Generator for back up power.
10. Do not operate the Generator before grounding. The Generator must be earth-grounded in accordance with all relevant electrical codes and standards before operation.

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.

   ⚠️ 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.

2. Never use a generator indoors, including in garages, basements, crawl spaces and sheds. Opening doors and windows or using fans will NOT prevent carbon monoxide build up in the home.
3. When using generators, keep them outdoors and far away from open doors, windows, and vents to avoid toxic levels of carbon monoxide from building up indoors.
4. If you start to feel sick, dizzy, or weak while using a generator, get to fresh air right away. The carbon monoxide from generators can quickly lead to full incapacitation and death.
5. Keep children away from the equipment, especially while it is operating.
6. Keep all spectators at least six feet from the engine during operation.
7. Fire Hazard! Do not fill gas tank while engine is running. Do not operate if gasoline has been spilled. Clean spilled gasoline before starting engine. Do not operate near pilot light or open flame.
8. Do not touch engine during use. Let engine cool down after use.
9. Never store fuel or other flammable materials near the engine.
10. If the plugged in product operates abnormally or unusually slow, immediately stop using the generator as a power source. Read and adhere to the instruction manual of the product to be powered to make sure that it can be safely and efficiently powered by a portable generator.
11. Before connecting an appliance or power cord to the generator: Make sure that it is in good working order. Faulty appliances or power cords can create a potential for electrical shock.
12. Do not exceed the running wattage of the generator. Make sure that the total electrical rating of the all of the tools or appliances plugged into the generator at the same time does not exceed that of the generator. Check that the startup surge will not be beyond the limit of the generator.

Operating Precautions (Continued)

13. Avoid substantially overloading which will trip the circuit breaker. Slightly overloading the generator may not trip the circuit breaker, but will lead to premature generator failure.
14. Do not attempt to connect or disconnect load connections while standing in water, or on wet or soggy ground.
15. Do not touch electrically energized parts of the generator and interconnecting cables or conductors with any part of the body, or with any non-insulated conductive object.
16. Connect the generator only to a load that is compatible with the electrical characteristics and running wattage of the generator.
17. Insulate all connections and disconnected wires.
18. Guard against electric shock. Prevent body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators.
19. Only use a suitable means of transport and lifting devices with sufficient weight bearing capacity when transporting the generator.
20. Secure the generator on transport vehicles to prevent it from rolling, slipping, and tilting.
21. Industrial applications must follow OSHA requirements.
22. Do not leave the generator unattended when it is running. Turn off the generator (and remove safety keys, if available) before leaving the work area.
23. 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.
24. Keep access doors on enclosures locked.
25. Wear ANSI-approved safety glasses and hearing protection during use.
26. People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure. Caution is necessary when near the engine's magneto or recoil starter.
27. Use only accessories that are recommended by Harbor Freight Tools for your model. Accessories that may be suitable for one piece of equipment may become hazardous when used on another piece of equipment.
28. Do not operate in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Gasoline-powered engines may ignite the dust or fumes.
29. Stay alert, watch what you are doing and use common sense when operating this generator. Do not use while tired or under the influence of drugs, alcohol or medication.
30. Dress properly. Do not wear loose clothing or jewelry. Keep hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
31. Parts, especially exhaust system components, get very hot during use. Stay clear of hot parts.
32. Do not cover the generator during operation.
33. Keep the generator and surrounding area clean at all times.
34. Do not smoke, or allow sparks, flames, or other sources of ignition around the equipment, especially when refuelling.
35. Use the equipment, accessories, etc., in accordance with these instructions and in the manner intended for the particular type of equipment, taking into account the working conditions and the work to be performed. Use of the equipment for operations different from those intended could result in a hazardous situation.
36. Do not operate the equipment with known leaks in the engine's fuel system.
37. When spills of fuel or oil occur, they must be cleaned up immediately. Dispose of fluids and cleaning materials as per any local, state, or federal codes and regulations. Store oil rags in a bottom-ventilated, covered, metal container.
38. Keep hands and feet away from moving parts. Do not reach over or across equipment while operating.
39. Before use, check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the equipment's operation. If damaged, have the equipment serviced before using. Many accidents are caused by poorly maintained equipment.
40. Use the correct equipment for the application. Do not modify the equipment and do not use the equipment for a purpose for which it is not intended.

Parallel Kit Precautions

⚠️ WARNING

TO PREVENT SERIOUS INJURY, DEATH, AND GENERATOR AND/OR EQUIPMENT DAMAGE FROM ELECTRIC SHOCK AND FIRE:

1. Follow Parallel Kit instructions provided with Kit for connection and use of a Parallel Kit.
2. Connect only an approved Predator Parallel Kit (sold separately) to the Parallel Kit Terminals.
3. Only connect two identical Inverter Generators together using a Parallel Kit.
4. Connect Parallel Kit only to terminals marked "Parallel Outlets" on the front of the Generator.
5. Do not remove or connect a Parallel Kit while the Generator is running.
6. Do not use a Parallel Kit that is attached to only one Generator.
7. Do not use any other outlet on a Generator that has a Parallel Kit attached.

Service Precautions

1. Before service, maintenance, or cleaning:
   • Turn the Combination Switch to its "OFF" position.
   • Allow the engine to completely cool.
   • Then, remove the spark plug cap from the spark plug.
2. Keep all safety guards in place and in proper working order. Safety guards include muffler, air cleaner, mechanical guards, and heat 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 adjust parts that may increase or decrease governed engine speed.
5. Wear ANSI-approved safety goggles, heavy-duty work gloves, and dust mask/respirator during service.
6. Maintain labels and nameplates on the equipment. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement.
7. Have the equipment serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the equipment is maintained. Do not attempt any service or maintenance procedures not explained in this manual or any procedures that you are uncertain about your ability to perform safely or correctly.
8. Store equipment out of the reach of children.
9. Follow scheduled engine and equipment maintenance.

Refueling:

1. Do not refill the fuel tank while the engine is running or hot.
2. Do not smoke, or allow sparks, flames, or other sources of ignition around the equipment, especially when refuelling.
3. Do not fill fuel tank to the top. Leave a little room for the fuel to expand as needed.
4. Refuel in a well-ventilated area only.
5. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

Setup

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

⚠️ WARNING

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 regulations relating to fire prevention requirements.

At high altitudes, the engine's carburetor, governor, and any other parts that control the fuel-air ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage to the engine and any other devices used with this product.

Grounding

1. The Generator must be properly grounded in accordance with all relevant electrical codes and standards before operation. Have the unit grounded by a qualified electrician if you are not qualified to do so.
2. To ground the Generator, connect a #6 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.

Components and Controls

The generator features the following controls and indicators:

• Combination Switch: Controls engine start, run, and stop functions. Positions include OFF, RUN, and START.
• Economy (ESC) Switch: Limits engine speed for quieter operation and fuel savings on lighter loads. Can be turned ON for light loads and OFF for starting, heavy loads, or 12VDC output.
• Output Indicators: Lights indicate generator status (e.g., LOW OIL, OVERLOAD, OUTPUT).
• Parallel Kit Terminals: For connecting two identical generators using a parallel kit.
• AC 120V Receptacles: Standard outlets for powering 120V devices.
• 12VDC Receptacle: For charging 12V batteries.
• Overload Reset Button: Resets the circuit breaker if the generator is overloaded.
• 12VDC Breaker Reset Button: Resets the 12VDC circuit protection.
• Spark Plug Access Cover: Covers the spark plug for maintenance.
• Air Filter and Oil Fill Access Panel: Provides access to the air filter and oil fill/dipstick.
• Exhaust: Outlet for engine exhaust gases.
• Starter Handle: Used to manually start the engine.
• Fuel Cap with Vent: Seals the fuel tank and includes a vent.
• Ground Terminal: Connection point for the grounding wire.

⚠️ WARNING!

Follow Parallel Kit instructions for connection and use of a Parallel Kit (Parallel Kit and instructions sold separately).

Operation

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

Pre-Start Checks

Inspect Engine and Generator looking for damaged, loose, and missing parts before set up and starting. If any problems are found, do not use equipment until fixed properly.

Checking and Filling Engine Oil

NOTICE: Your Warranty is VOID if the Engine's crankcase is not properly filled with oil before each use. Before each use, check the oil level. Engine will not start with low or no engine oil.

1. Make sure the Engine is stopped and is level.
2. Close vent on Gas Cap.
3. On the right side of the Generator, remove the three Screws at the top and remove the Access Panel.
4. Clean the top of the Dipstick and the area around it. Remove the Dipstick, turning it counterclockwise.
5. Check the oil level. The oil level should be up to the edge of the hole.
6. As needed, add the appropriate type of oil until the oil level is at the proper level. SAE 10W-30 oil is recommended for general use.
7. Thread the Dipstick back in clockwise and replace the Access Panel.

NOTICE: Do not run the engine with too little oil. Engine will shut off if engine oil level is too low.

Checking and Filling Fuel

⚠️ WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:

Fill the fuel tank in a well-ventilated area away from ignition sources. If the Engine is hot from use, shut the Engine off and wait for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.
2. Unscrew and remove the Fuel Cap.
3. Remove the Strainer and remove any dirt and debris. Then replace the Strainer.

Note: Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol. Add fuel stabilizer to the gasoline or the Warranty is VOID.

Note: Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting Engine performance and/or causing damage.

4. If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer's recommendations for use.
5. Then replace the Fuel Cap.
6. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

Note: Fill Fuel Tank completely before first use. Fuel Tank needs to be completely full to properly prime Carburetor.

Starting the Engine

Before Starting the Engine:

• Inspect the generator and engine.
• Disconnect all electrical loads from the generator.
• Fill the engine with the proper amount and type of both stabilizer-treated unleaded gasoline and oil.

Manual Start

1. Open vent on Gas Cap.
2. Move the Economy (ESC) Switch to the OFF position.
3. Turn the Combination Switch to the START position.
4. Grip the Starter Handle of the Engine loosely and pull it slowly several times to allow the gasoline to flow into the Engine's carburetor. Then pull the Starter Handle gently until resistance is felt. Allow Cable to retract fully and then pull it quickly. Repeat until the 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.

Note: If engine does not start, check engine oil level. Engine will not start with low or no engine oil.

Note: If warm engine does not start, turn Combination Switch to RUN before trying to start it again.

5. Allow the Engine to run for several seconds. Wait for the OUTPUT light to light up.
6. Then, move the Combination Switch slowly to its RUN position.

Note: Moving the Combination Switch too fast could stall the Engine.

IMPORTANT: Allow the Engine to run at no load for five minutes after each start-up so that the Engine can stabilize.

Break-in Period:

• Breaking-in the Engine will help to ensure proper equipment and Engine operation.
• The break-in period will last about 30 hours of use.
• DO NOT exceed 75% of the Generator's running wattage during this period.
• Change the engine oil after this period.

Under normal operating conditions subsequent maintenance follows the schedule explained in the MAINTENANCE section.

Nominal 12VDC Output

1. Do not use any 120VAC outlet while using the 12VDC outlet.
2. Move the Economy (ESC) Switch to the OFF position.
3. Only use the 12VDC receptacle to charge a 12 volt lead-acid type battery using an appropriate charge controller. (Battery and controller not included.) The 12VDC output is not regulated.
4. Do not connect any device to the 12VDC terminal that draws more than 8 amps.
5. If this 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 of electrical load devices.
• Long power cords and extension cords draw additional power. Keep cord length at a minimum.

Wattage Estimates

Wattages listed below are estimates for that type of equipment only. Check nameplate wattages on all loads before connecting to Generator.

Figure A: Plug Load In

Plug the power cord of the 120 volt appliance/tool into the 120VAC Outlet on the Generator. Plug in appliances from largest to smallest load.

Note: Do not allow the Generator to completely run out of fuel with devices attached. A Generator's output may sharply spike as it runs out of fuel, causing damage to attached devices.

Overload Light

Note: The OVERLOAD light may turn on for a few seconds as a large device starts up. This is normal for loads approaching the capacity of this Generator.

1. The total combined load through the outlet on the Generator must not exceed the running power of the unit.
2. If the OVERLOAD light turns on and the Generator stops producing power, it has been overloaded.
3. Disconnect all electrical devices, and compare device requirements to Generator rating. Move anything that may be limiting Generator ventilation away.
4. Press and hold Overload Reset button above the Dual 120VAC Receptacle until OVERLOAD light turns off.
5. Reconnect devices while being careful to not overload Generator.

Economy (ESC) Switch

1. Turn the Economy (ESC) Switch ON to limit noise and fuel consumption for lighter generator loads.
2. Turn the Economy (ESC) Switch OFF to operate engine at full speed:
   • when starting,
   • when a heavy load is applied, or
   • when using the 12VDC output.

Stopping the Engine

To stop the Engine in an emergency, turn the Combination Switch off.

Under normal conditions, use the following procedure to shut off the Generator:

1. Turn all electrical load devices off and unplug them from the Generator.
2. Turn the Combination Switch off.
3. Close vent on Gas Cap.

Maintenance

⚠️ WARNING

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING: Turn the Combination Switch of the equipment to its "OFF" position, wait for the engine to cool, and disconnect the spark plug cap before performing any inspection, maintenance, or cleaning procedures.

TO PREVENT SERIOUS INJURY FROM EQUIPMENT FAILURE:

Do not use damaged equipment. If abnormal noise, vibration, or excess smoking occurs, have the problem corrected before further use. Follow all service instructions in this manual. The engine may fail critically if not serviced properly.

Many maintenance procedures, including any not detailed in this manual, will need to be performed by a qualified technician for safety. If you have any doubts about your ability to safely service the equipment or engine, have a qualified technician service the equipment instead.

Cleaning, 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 the regular checks and maintenance explained as part of the regular operation of the engine and equipment.

*Service more frequently when used in dusty areas.

**These items should be serviced by a qualified technician.

Checking and Filling Fuel

⚠️ WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:

Fill the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.
2. Unscrew and remove the Fuel Cap.
3. Remove the Strainer and remove any dirt and debris. Then replace the Strainer.

Note: Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol. Add fuel stabilizer to the gasoline or the Warranty is VOID.

Note: Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting engine performance and/or causing damage.

4. If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer's recommendations for use.
5. Then replace the Fuel Cap.
6. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

Engine Oil Change

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. Close vent on Gas Cap.

NOTICE: Do not run the engine with too little oil. Engine will not start with low or no engine oil.

3. Remove the Access Panel on the right side of the Generator.
4. Clean the top of the Oil Fill Plug and the area around it. Remove the Oil Fill Plug, turning it counterclockwise.
5. Place the Generator on stands with the oil fill centered over an oil drain pan. Tilt the Generator over the oil drain pan and wait for oil to drain completely. Recycle used oil.
6. Set the Generator back down on a level surface. Add the appropriate type of oil until the oil level is at the proper level. SAE 10W-30 oil is recommended for general use.
7. Check the oil level. The oil level should be up to the edge of the hole.
8. Thread the Oil Fill Plug back in clockwise and replace the Access Panel.

Air Filter Element Maintenance

1. Remove the Access Panel on the right side of the Generator.
2. Remove the Air Filter Cover and the air filter elements and check for dirt. Clean as described below.

Cleaning:

• For "paper" filter elements: To prevent injury from dust and debris, wear ANSI-approved safety goggles, NIOSH-approved dust mask/respirator, and heavy-duty work gloves. In a well-ventilated area away from bystanders, use pressurized air to blow dust out of the air filter.
• For foam filter elements: Wash the element in warm water and mild detergent several times. Rinse. Squeeze out excess water and allow it to dry completely. Soak the filter in lightweight oil briefly, then squeeze out the excess oil.

4. Install the cleaned filter.
5. Secure the Air Filter Cover and replace the Access Panel before use.

Spark Plug Maintenance

1. Remove Access Panel from right side of Generator.
2. Disconnect spark plug cap from end of plug. Clean out debris from around spark plug.
3. Remove Spark Plug Access Cover from top of Generator.
4. Using a spark plug wrench through the port in the top of the Generator, remove the spark plug.
5. Inspect the spark plug: If the electrode is oily, clean it using a clean, dry rag. If the electrode has deposits on it, polish it using emery paper. If the white insulator is cracked or chipped, the spark plug needs to be replaced.

NOTICE: Use only A5RTC type spark plug or equivalent. Using an incorrect spark plug may damage the engine.

6. When installing a new spark plug, adjust the plug's gap to the specification on the Specifications chart. Do not pry against the electrode, the spark plug can be damaged.
7. Apply anti-sieze material to Spark Plug threads. Install the new spark plug or the cleaned spark plug into the engine.
   • Gasket-style: Finger-tighten until the gasket contacts the cylinder head, then tighten about 1/2-2/3 turn more.
   • Non-gasket-style: Finger-tighten until the plug contacts the cylinder head, then tighten about 1/16 turn more.

NOTICE: Tighten the spark plug properly. If loose, the spark plug will cause the engine to overheat. If overtightened, the threads in the engine block will be damaged.

8. Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the cap securely.
9. Replace Spark Plug Access Cover and Access Panel.

Storage

When the equipment is to remain idle for longer than 20 days, prepare the engine for storage as follows:

1. CLEANING: Wait for engine to cool, then clean engine with dry cloth. NOTICE: Do not clean using water. The water will gradually enter the engine and cause damage.
2. FUEL: To protect the fuel tank during storage, fill the tank with gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer's recommendations for use. Refer to Checking and Filling Fuel on page 14.

⚠️ WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:

Drain the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before draining fuel. Do not smoke.

3. LUBRICATION:
   • Change engine oil.
   • Clean out area around spark plug. Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole.
   • Replace spark plug, but leave spark plug cap disconnected.
   • Pull Starter Handle to distribute oil in cylinder. Stop after one or two revolutions when you feel the piston start the compression stroke (when you start to feel resistance).
4. STORAGE AREA: Cover and store in a dry, level, well-ventilated area out of reach of children. Storage area should also be away from ignition sources, such as water heaters, clothes dryers, and furnaces.

NOTICE: During extended storage periods the Engine must be started every 3 months and allowed to run for 15–20 minutes or the Warranty is VOID.

5. AFTER STORAGE: Before starting the engine after storage, keep in mind that untreated gasoline will deteriorate quickly. Drain the fuel tank and change to fresh fuel if untreated gasoline has been sitting for a month, if treated gasoline has been sitting beyond the fuel stabilizer's recommended time period, or if the engine does not start.

Troubleshooting

Engine will not start

Follow all safety precautions whenever diagnosing or servicing the generator or engine.

Engine misfires

Engine stops suddenly

Engine stops when under heavy load

Engine knocks

Engine backfires

Attached device doesn't have power

Attached device begins to operate abnormally

Follow all safety precautions whenever diagnosing or servicing the generator or engine.

Parts List and Diagram

Disclaimer: The manufacturer and/or distributor has provided the parts 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 replacements should be undertaken by certified and licensed technicians, and not by the buyer. The buyer assumes all risk and liability arising out of his or her repairs to the original product or replacement parts thereto, or arising out of his or her installation of replacement parts thereto.

Parts List

Record Product's Serial Number Here: _________________________

Note: If product has no serial number, record month and year of purchase instead.

Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.

Assembly Diagram

The Assembly Diagram provides an exploded view of the generator, illustrating the location and relationship of all numbered parts listed above. It is essential for identifying components during maintenance or repair.

Warranties

Limited 90 Day Warranty (Retail)

Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS, EXCEPT FOR THE EMISSIONS CONTROL SYSTEM WARRANTY BELOW.

To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must bear the cost of returning the product.

This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

Emissions Control System Warranty

The California Air Resources Board, the United States Environmental Protection Agency and Harbor Freight Tools (HFT) are pleased to explain the exhaust and evaporative emissions ("emissions") control system warranty on your 2018-2019 Small Off-Road Engine, in addition to the Retail Warranty above. In California, new equipment that use small off-road engines must be designed, built, and equipped to meet the State's stringent anti-smog standards. HFT must warrant the emissions control system on your small off-road engine for the period listed below provided there has been no abuse, neglect or improper maintenance of your small off-road engine leading to the failure of the emissions control system.

Your emissions control system may include parts such as the carburetor or fuel-injection system, the ignition system, catalytic converter, fuel tanks, fuel lines (for liquid fuel and fuel vapors), fuel caps, valves, canisters, filters, clamps and other associated components. Also included may be hoses, belts, connectors, and other emission-related assemblies.

Where a warrantable condition exists, HFT will repair your small off-road engine at no cost to you, including diagnosis, parts and labor.

MANUFACTURER'S WARRANTY COVERAGE

The exhaust and evaporative emissions control system on your small off-road engine is warranted for two years. If any emission-related part on your small off-road engine is defective, the part will be repaired or replaced by HFT.

OWNER'S WARRANTY RESPONSIBILITIES

As the small off-road engine owner, you are responsible for the performance of the required maintenance listed in your Owner's Manual. HFT recommends that you retain all receipts covering maintenance on your small off-road engine, but HFT cannot deny warranty coverage solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.

As the small off-road engine owner, you should however be aware that HFT may deny you warranty coverage if your small off-road engine or a part has failed due to abuse (including failure to follow the fuel use instructions contained in this manual), neglect, or improper maintenance or unapproved modifications.

You are responsible for presenting your small off-road engine to a HFT distribution center or service center as soon as the problem exists in order to obtain warranty repair or replacement, by doing either of the following: (a) contact HFT product support at 1-888-866-5797 or productsupport@harborfreight.com; or (b) bring the engine to your nearest Harbor Freight Tools retail store. The nearest Harbor Freight Tools retail store can be found on the internet at http://www.harborfreight.com. The warranty repairs shall be completed in a reasonable amount of time, not to exceed 30 days. If you have a question regarding your warranty coverage, you should contact HFT product support at 1-888-866-5797 or productsupport@harborfreight.com.

DEFECTS WARRANTY REQUIREMENTS:

a) The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser.

b) General Emissions Warranty Coverage

HFT warrants to the ultimate owner and each subsequent owner that the engine or equipment is:

1. Designed, built, and equipped so as to conform with all applicable regulations adopted by the Air Resources Board; and
2. Free from defects in materials and workmanship that causes the failure of a warranted part for a period of two years.

c) The warranty on emissions-related parts is as follows:

1. Any warranted part that is not scheduled for replacement as required maintenance in the written instructions must be warranted for the warranty period stated above. If any such part fails during the period of warranty coverage, it will be repaired or replaced HFT according to Subsection (4) below. Any such part repaired or replaced under the warranty must be warranted for the remaining warranty period.
2. Any warranted part that is scheduled only for regular inspection in the written instructions must be warranted for the warranty period defined in Subsection (b)(2). A statement in such written instructions to the effect of "repair or replace as necessary" shall advise owners of the warranty coverage for emissions related parts. Replacement within the warranty period is covered by the warranty and will not reduce the period of warranty coverage. Any such part repaired or replaced under warranty must be warranted for the remaining warranty period.
3. Any warranted part that is scheduled for replacement as required maintenance in the written instructions must be warranted for the period of time prior to the first scheduled replacement point for that part. If the part fails prior to the first scheduled replacement, the part must be repaired or replaced by HFT. Any such part repaired or replaced under warranty must be warranted for the remainder of the period prior to the first scheduled replacement point for the part.
4. Repair or replacement of any warranted part under the warranty provisions must be performed at no charge to the owner at a warranty station.
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.
6. The owner must not be charged for diagnostic labor that leads to the determination that a warranted part is in fact defective, provided that such diagnostic work is performed at a retail store.
7. HFT is liable for damages to other engine components proximately caused by a failure under warranty of any warranted part.
8. Throughout the emissions control system's warranty period stated above, HFT must maintain a supply of warranted parts sufficient to meet the expected demand for such parts and must obtain additional parts if that supply is exhausted.
9. Manufacturer-approved replacement parts that do not increase the exhaust or evaporative emissions of the engine or emissions control system must be used in the performance of any warranty maintenance or repairs and must be provided without charge to the owner. Such use will not reduce the warranty obligations of HFT.
10. Add-on or modified parts that are not exempted by the Air Resources Board may not be used. The use of any non-exempted add-on or modified parts may be grounds for disallowing a warranty claim. HFT will not be liable to warrant failures of warranted parts caused by the use of a non-exempted add-on or modified part.
11. HFT issuing the warranty shall provide any documents that describe that warranty procedures or policies within five working days of request by the Executive Officer.

Emission Warranty Parts List for Exhaust

1. Fuel Metering System: Carburetor and its internal parts (and/or pressure regulator or fuel injection system); Air/fuel ratio feedback and control system; Cold start enrichment system.
2. Air Induction System: Controlled hot air intake system; Intake manifold; Air filter.
3. Ignition System: Spark plugs; Magneto ignition system; Spark advance/retard system.
4. Exhaust Gas Recirculation (EGR) System: EGR valve body, and carburetor spacer if applicable; EGR rate feedback and control system.
5. Air Injection System: Air pump or pulse valve; Valves affecting distribution of flow; Distribution manifold.
6. Catalyst or Thermal Reactor System: Catalytic converter; Thermal reactor; Exhaust manifold.
7. Particulate Controls: Traps, filters, precipitators, and any other device used to capture particulate emissions.
8. Miscellaneous Items Used in Above Systems: Electronic controls; Vacuum, temperature, and time sensitive valves and switches; Hoses, belts, connectors, and assemblies.

Emission Warranty Parts List for Evap.

1. Fuel Tank
2. 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 evaporative emission control system.

HFT will furnish with each new small off-road engine/equipment written instructions for the maintenance and use of the engine/equipment by the owner.

Predator
26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797