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Predator 57509 Owner's Manual & Safety Instructions
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Predator 57509 Owner's Manual & Safety Instructions

4400 watt portable inverter generator
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Owner's Manual & Safety Instructions
Save This Manual
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.
4400 WATT
PORTABLE
INVERTER
GENERATOR
3500 RUNNING WATTS
4400 MAX STARTING WATTS
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.
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
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.
Keep this manual for the safety warnings and precautions, assembly,
Only use OUTSIDE
and far away from
windows, doors,
and vents.
®
. All rights reserved.
Visit our website at: http://www.harborfreight.com
Email our technical support at: productsupport@harborfreight.com
Email our engine support at: predator@harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
57509
21c

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Summary of Contents for Predator 57509

  • Page 1 Email our technical support at: productsupport@harborfreight.com windows are open. 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.

  • Page 2: Table Of Contents

    2600  –   3 600 RPM The emissions control system for this Engine is warranted for standards set by the U.S. Environmental Protection Agency. For warranty information, refer to the last pages of this manual. ITEM 57509 Page 2 For technical questions, please call 1-888-866-5797.
  • Page 3 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 ITEM 57509 For technical questions, please call 1-888-866-5797. Page 3...
  • Page 4 3. 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. ITEM 57509 Page 4 For technical questions, please call 1-888-866-5797.
  • Page 5 37. Do not operate the generator with known 20. Only use a suitable means of transport and leaks in the engine’s fuel system. lifting devices with sufficient weight bearing capacity when transporting the generator. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 5...
  • Page 6 5. Do not use a Parallel Kit that is together using a Parallel Kit. attached to only one Generator. 3. Connect Parallel Kit only to terminals marked “Parallel Outlets” on the front of the Generator. ITEM 57509 Page 6 For technical questions, please call 1-888-866-5797.
  • Page 7 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. SAVE THESE INSTRUCTIONS. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 7...

  • Page 8: Setup

    (not included). The grounding rod must be an if you are not qualified to do so. earth-driven copper or brass rod (electrode) which can adequately ground the Generator. 3. Refer to local regulations for ground source information. ITEM 57509 Page 8 For technical questions, please call 1-888-866-5797.
  • Page 9 Kit (parallel Kit and instructions sold separately). Fuel Cap Fuel Valve (on back) Choke Control panel Starter Handle Oil Fill Cap and Drain Bolt Figure B: Generator Front ITEM 57509 For technical questions, please call 1-888-866-5797. Page 9...

  • Page 10: Operation

    10% ethanol (E10). Do not use E85 ethanol. Add fuel To prevent FIRE, do not start the engine stabilizer to the gasoline or the Warranty is VOID. while the smell of fuel hangs in the air. ITEM 57509 Page 10 For technical questions, please call 1-888-866-5797.
  • Page 11 Note: Moving the Choke 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. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 11...
  • Page 12 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. Figure C: plug Load In ITEM 57509 Page 12 For technical questions, please call 1-888-866-5797.
  • Page 13 1. Turn all electrical load devices off and unplug them from the Generator. 2. If the Economy (ESC) Switch is ON, turn it to the OFF position. 3. Turn the Switch OFF. 4. Close the Fuel Valve. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 13...

  • Page 14: Maintenance

    4. Clean carbon build-up from combustion chamber – Replace fuel line if necessary Service more frequently when used in dusty areas. These items should be serviced by a qualified technician. ITEM 57509 Page 14 For technical questions, please call 1-888-866-5797.
  • Page 15 NOTICE: Do not run the engine with too little oil. to drain completely. Recycle used oil. Engine will not start with low or no engine oil. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 15...
  • Page 16 (not included) to the end of the spark plug and reattach the cap securely. 5. Apply anti-seize material to Spark Plug threads. Install the new spark plug or the cleaned spark plug into the engine. ITEM 57509 Page 16 For technical questions, please call 1-888-866-5797.
  • Page 17 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. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 17...

  • Page 18: Troubleshooting

    SPARK ARRESTOR RELATED: SPARK ARRESTOR RELATED: 1. Spark Arrestor clogged with soot. 1. Clean and replace Spark Arrestor. Follow all safety precautions whenever diagnosing or servicing the generator or engine. ITEM 57509 Page 18 For technical questions, please call 1-888-866-5797.
  • Page 19 2. Lower the number of items plugged into the generator to stay within the rated capacity, or use a more powerful generator. Follow all safety precautions whenever diagnosing or servicing the generator or engine. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 19...

  • Page 20: Parts Lists And Diagrams

    39 Alternator Stator 80 Cross Grooved Disc Head Screw, M4 x 8 40 Rubber Stopper 81 Stepper Motor Support 41 Oil Alert 82 Cross Grooved Disc Head Screw, M4 x 5 ITEM 57509 Page 20 For technical questions, please call 1-888-866-5797.
  • Page 21 Engine Assembly Diagram ITEM 57509 For technical questions, please call 1-888-866-5797. Page 21...
  • Page 22 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. Specify UPC 193175415431 when ordering parts. ITEM 57509 Page 22 For technical questions, please call 1-888-866-5797.
  • Page 23 Generator Assembly Diagram ITEM 57509 For technical questions, please call 1-888-866-5797. Page 23...
  • Page 24 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. ITEM 57509 Page 24 For technical questions, please call 1-888-866-5797.

  • Page 25: Warranties

    This warranty gives you specific legal rights and you may also have other rights which vary from state to state. ITEM 57509 For technical questions, please call 1-888-866-5797.
  • Page 26 3. Ignition System a. Spark plug. b. Magneto ignition system. This warranty does not cover normal maintenance services or replacement of maintenance items such as filters, oils, or spark plugs. ITEM 57509 Page 26 For technical questions, please call 1-888-866-5797.
  • Page 27 The nearest Harbor Freight Tools retail store can be found on the internet at http://www.harborfreight.com. ITEM 57509 For technical questions, please call 1-888-866-5797. Page 27...
  • Page 28 26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797...