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Harbor Freight Tools Predator 69784 Owner's Manual

Predator 420cc horizontal engine
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Summary of Contents for Harbor Freight Tools Predator 69784

  • Page 2: Table Of Contents

    NHSP / Torch F6TC Spark Plug 0.7 - 0.8 mm Intake 0.10 - 0.15 mm Valve Clearance Exhaust 0.15 - 0.20 mm Speed Idle 1,800 ± 50 RPM Page 2 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 3: Safety

    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 Engine for For technical questions, please call 1-800-520-0882. Page 3 Item 69784...

  • Page 4: Operating Precautions

    Caution is necessary when near the engine’s magneto or recoil starter. 14. 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 Only use OUTSIDE and far away from windows, when used on another piece of equipment.
  • Page 5 If unreadable or missing, contact 4. Refuel in a well-ventilated area only. Harbor Freight Tools for a replacement. 5. Wipe up any spilled fuel and allow excess to evaporate before starting engine.

  • Page 6: Setup

    Attach the positive cable from the positive battery terminal to the Positive Terminal on the starter solenoid (uncovered terminal), shown above. Connect cable securely to prevent disconnection and short circuits. Page 6 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 7: Engine Controls

    Engine Controls Fuel Cap Air Filter Engine Switch Starter Handle Muffler Oil Drain Plug Throttle Dipstick Choke Starter Fuel Valve Serial Number Location (Write on front cover of manual.) Engine for For technical questions, please call 1-800-520-0882. Page 7 Item 69784...
  • Page 8 Main Jet High Altitude Kit Parts List - A Part Description Fuel Cup Main Jet 3000-6000 ft. Main Jet 6000-8000 ft. Bolt Seal Bolt Seal Fuel Cup Seal Bolt Page 8 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 9: Operation

    Inspect the equipment and engine. c. Fill the engine with the proper amount and type of both fuel and oil. d. Read the Equipment Operation section in the equipment manual. Engine for For technical questions, please call 1-800-520-0882. Page 9 Item 69784...

  • Page 10: Manual Start

    Repeat until the engine starts. Note: Do not let the Starter Handle snap back against the engine. Hold it as it recoils so it doesn't hit the engine. Page 10 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 11: Stopping The Engine

    2. Under normal conditions, use the following procedure: a. Slide the Throttle or Speed Control Lever to SLOW (the “turtle”). b. Turn the Engine Switch off. c. Close the Fuel Valve. Engine for For technical questions, please call 1-800-520-0882. Page 11 Item 69784...
  • Page 12 Throttle. Use the Speed Control Lever in place of the Throttle when the tool is so equipped. 4. Turn the Engine Switch to START. START START Page 12 For technical questions, please call 1-800-520-0882. Engine for Item 69784...
  • Page 13 2. Under normal conditions, use the following procedure: a. Slide the Throttle or Speed Control Lever to SLOW (the “turtle”). b. Turn the Engine Switch off. c. Close the Fuel Valve. Engine for For technical questions, please call 1-800-520-0882. Page 13 Item 69784...

  • 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. Page 14 For technical questions, please call 1-800-520-0882. Engine for Item 69784...
  • Page 15 5W-30 100°F Average outdoor temperature 8. Thread the dipstick back in clockwise. CAUTION! Do not run the engine with too little oil. The engine will be permanently damaged. Engine for For technical questions, please call 1-800-520-0882. Page 15 Item 69784...
  • Page 16 6. Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the wire securely. Page 16 For technical questions, please call 1-800-520-0882. Engine for Item 69784...
  • Page 17 Remove the small sediment cup next to the bowl and allow the fuel to drain from there as well. Engine for For technical questions, please call 1-800-520-0882. Page 17 Item 69784...

  • Page 18: Troubleshooting

    4. Engine valves or tappets 4. Have qualified technician diagnose/ mis-adjusted or stuck. repair ignition system. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Page 18 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 19: Probable Solutions

    3. Intake valve stuck or overheated engine. 3. Have qualified technician diagnose and service engine. 4. Incorrect timing. 4. Check engine timing. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Engine for For technical questions, please call 1-800-520-0882. Page 19 Item 69784...

  • Page 20: Parts List And Diagram

    Bolt Bolt, Valve Adjusting Relay, Starting Rocker, Valve Bolt Nut, Valve Adjusting Switch, Control Nut, Valve Lock Bolt Spring, Valve Support Retainer, Valve Spring Bolt Starter Asm., Recoil Page 20 For technical questions, please call 1-800-520-0882. Engine for Item 69784...
  • Page 21 Engine for For technical questions, please call 1-800-520-0882. Page 21 Item 69784...
  • Page 22 Note: If product has no serial number, Note: Some parts are listed and shown for record month and year of purchase instead. illustration purposes only, and are not available individually as replacement parts. Page 22 For technical questions, please call 1-800-520-0882. Engine for Item 69784...

  • Page 23: Warranties

    Limited 90 Day Warranty 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.
  • Page 24 Harbor Freight Tools Emission Control Defects Service and Maintenance Warranty Provisions Component parts which are not scheduled for replacement as required maintenance or are scheduled only for regular inspection Length of Coverage to the effect of “repair or replace as necessary” are warranted for HFT warrants to a first retail purchaser and each subsequent the warranty period.

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