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Predator Engines 301cc Owner's Manual & Safety Instructions
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Predator Engines 301cc Owner's Manual & Safety Instructions

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Owner's Manual & Safety Instructions
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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.
Horizontal Engine
using an engine indoors
Can KiLL yOu in MinuTeS.
engine 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.
email our technical support at: predator@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.
©
Copyright
2023 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.
Visit our website at: http://www.harborfreight.com
®
. All rights reserved.
301cc
read this material before using this product.
Failure to do so can result in serious injury.
SaVe THiS ManuaL.
23j
62366

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Summary of Contents for Predator Engines 301cc

  • Page 1 (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. 301cc Horizontal Engine using an engine indoors Can KiLL yOu in MinuTeS.

  • Page 2: Table Of Contents

    7/16″ - 20 UNF 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. Page 2 For technical questions, please call 1-888-866-5797. 301cc Engine...

  • 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 301cc Engine For technical questions, please call 1-888-866-5797. Page 3...
  • Page 4 8. Secure the engine on transport vehicles to or other sources of ignition around the prevent it from rolling, slipping, and tilting. equipment, especially when refuelling. 9. Industrial applications must follow OSHA requirements. Page 4 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 5 Harbor Freight Tools for a replacement. 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. 301cc Engine For technical questions, please call 1-888-866-5797. Page 5...

  • Page 6: Setup

    WarninG! TO preVenT SeriOuS inJury: inSTaLL THiS enGine aCCOrDinG TO eQuipMenT inSTruCTiOnS BeFOre uSe. Components and Controls Fuel Cap air Cleaner Starter Handle Muffler Oil Drain plug Throttle Dipstick Choke Fuel Valve engine Switch Page 6 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 7 To prevent FIRE, do not start the engine while the smell of fuel hangs in the air. High altitude Kit parts List - a part Description Main Jet 3000-6000 ft. Main Jet 6000-8000 ft. Bolt Seal Fuel Cup Seal 301cc Engine For technical questions, please call 1-888-866-5797. Page 7...

  • Page 8: Operation

    6. Thread the dipstick back in clockwise. nOTiCe: Do not run the engine with too little oil. Engine will shut off if engine oil level is too low. Page 8 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 9 Fill the engine with the proper amount and type of both stabilizer-treated unleaded gasoline and oil. d. read the equipment Operation section in the equipment manual. 301cc Engine For technical questions, please call 1-888-866-5797. Page 9...
  • Page 10 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 1-888-866-5797. 301cc Engine...
  • Page 11 Slide the Throttle to SLOW (the “turtle”). b. Turn the Engine Switch off. c. Close the Fuel Valve. NOTICE See Long-Term Storage on page 15 for complete storage instructions. 301cc Engine For technical questions, please call 1-888-866-5797. Page 11...

  • Page 12: 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 12 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 13 8. Thread the dipstick back in clockwise. nOTiCe: Do not run the engine with too little oil. Engine will not start with low or no engine oil. 301cc Engine For technical questions, please call 1-888-866-5797. Page 13...
  • Page 14 6. Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the wire securely. Page 14 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 15 Clean out area around spark plug. Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole. c. Replace spark plug, but leave spark plug cap disconnected. 301cc Engine For technical questions, please call 1-888-866-5797. Page 15...

  • Page 16: Troubleshooting

    2. Engine mounted on slope, 2. Operate engine on level surface. triggering low oil shutdown. Check engine oil level. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Page 16 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 17 Follow all safety precautions whenever diagnosing or servicing the equipment or engine. 301cc Engine For technical questions, please call 1-888-866-5797. Page 17...

  • Page 18: Warranties

    This warranty gives you specific legal rights and you may also have other rights which vary from state to state. Page 18 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 19 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. 301cc Engine For technical questions, please call 1-888-866-5797. Page 19...

  • Page 20: Parts Lists And Diagrams

    100 Rod, Governor Spring, Valve 101 Spring, Governor Retainer, Valve Spring 102 Support Subassembly, Governor Valve Key 103 Bolt Guide, Seal 104 Nut Retainer, Valve Spring 105 Bolt, Governor Support Lifter, Valve Page 20 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 21 301cc Engine For technical questions, please call 1-888-866-5797. Page 21...
  • Page 22 3.78" / 95.5mm 0.51" / 13mm Page 22 For technical questions, please call 1-888-866-5797. 301cc Engine...
  • Page 23 7/16-20 unF 0.36 in. / 9.13mm 301cc Engine For technical questions, please call 1-888-866-5797. Page 23...
  • Page 24 pLeaSe reaD THe FOLLOWinG CareFuLLy 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.