Manual For The 69730 6.5 HP (212cc) OHV Horizontal Shaft Gas Engine EPA
User Manual: Manual for the 69730 6.5 HP (212cc) OHV Horizontal Shaft Gas Engine EPA 6.5 HP (212cc) OHV Horizontal Shaft Gas Engine EPA
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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. REV 16g 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. Only use OUTSIDE and far away from windows, doors, and vents. Visit our website at: http://www.harborfreight.com 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© 2012 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. Table of Contents Specifications.............................................. 2 Safety��������������������������������������������������������� 3 Setup........................................................... 6 Operationr���������������������������������������������������� 8 Maintenances���������������������������������������������� 12 Troubleshooting.......................................... 16 Warranties.................................................. 22 Parts Lists and Diagrams........................... 18 Specifications Displacement 212cc Horizontal Single Cylinder 4-stroke OHV Engine Type Cooling System Type Fuel Capacity Engine Oil Type SAE Capacity Run Time @ 50% Load with full tank Sound Level at 22 feet Bore x Stroke Compression Ratio Rotation viewed from PTO (power takeoff - the output shaft) Spark Plug Valve Clearance Speed Shaft Meets EPA phase III emissions standards Forced air cooled 87+ octane stabilizer-treated unleaded gasoline 0.9 Gallon 10W-30 above 32° F 5W30 at 32° F or below 0.5 Quart 3 hr. 104 dB 70 mm x 55 mm 8.5:1 Counterclockwise Gap Intake Exhaust Idle NGK® BP-6ES NHSP® / Torch® F6TC 0.027" - 0.031" 0.004" - 0.006" 0.006" - 0.008" 1,800± 50 RPM Shaft Ø0.75″ x 2.43″ Keyway 3/16″ End Tapped 5/16″ - 24 UNF Type 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. ITEM 69730 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. Safety Indicates a hazardous situation which, if not avoided, will result in death or serious injury. Indicates a hazardous situation which, if not avoided, could result in death or serious injury. Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. Addresses practices not related to personal injury. RPM HP Property or Statement Revolutions Per Minute Horsepower WARNING marking concerning Risk of Eye Injury. Wear ANSI-approved safety goggles with side shields. Read the manual before set-up and/or use. WARNING marking concerning Risk of Hearing Loss. Wear hearing protection. Symbol Property or Statement 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 while handling fuel. WARNING marking concerning Risk of Fire. Do not refuel while operating. Keep flammable objects away from engine. Operation Symbol Setup Symbol Definitions IMPORTANT SAFETY INSTRUCTIONS Maintenance SAVE THESE INSTRUCTIONS – This manual contains important instructions that should be followed during installation and maintenance of the generator and any batteries. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 3 Set up Precautions Safety 1. This unit is to be installed so that access is restricted to only qualified service personnel who have been instructed of the reasons for the restrictions applied to the location and about any precautions that must be taken. Access shall be through the use of a special tool, or lock and key, or other means of security and shall be controlled by the authority responsible for the location. 2. 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. 3. Have multiple ABC class fire extinguishers nearby. 4. 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. 5. Set up and use only on a flat, level, well‑ventilated surface. 6. Wear ANSI-approved safety goggles, heavy-duty work gloves, and dust mask/respirator during set up. 7. Use only lubricants and fuel recommended in the Specifications chart of this manual. Operating Precautions CARBON MONOXIDE HAZARD Using an engine indoors CAN KILL YOU IN MINUTES. Engine exhaust contains carbon monoxide. This is a poison you cannot see or smell. 1. 9. Industrial applications must follow OSHA requirements. Setup 10. Do not leave the engine unattended when it is running. Turn off the engine (and remove safety keys, if available) before leaving the work area. 11. The engine can produce high noise levels. Prolonged exposure to noise levels above 85 dBA is hazardous to hearing. Wear ear protection when operating the engine or when working nearby while it is operating. 12. Wear ANSI-approved safety glasses and hearing protection during use. NEVER use inside a home or garage, EVEN IF doors and windows are open. Operation Only use OUTSIDE and far away from windows, doors, and vents. 2. Keep children away from the equipment, especially while it is operating. 13. 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. 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 when used on another piece of equipment. Maintenance 3. Keep all spectators at least six feet from the Engine during operation. 15. 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. 4. Fire Hazard! Do not fill fuel 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. 16. Stay alert, watch what you are doing and use common sense when operating this engine. Do not use while tired or under the influence of drugs, alcohol or medication. 5. Do not touch engine during use. Let engine cool down after use. 17. 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. 6. Never store fuel or other flammable materials near the engine. 7. Only use a suitable means of transport and lifting devices with sufficient weight bearing capacity when transporting the engine. 8. Secure the engine on transport vehicles to prevent it from rolling, slipping, and tilting. Page 4 18. Parts, especially exhaust system components, get very hot during use. Stay clear of hot parts. 19. Do not cover the engine during operation. 20. Keep the engine and surrounding area clean at all times. For technical questions, please call 1-888-866-5797. ITEM 69730 22. 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. 23. Do not operate the equipment with known leaks in the engine’s fuel system. 24. WARNING: This product contains or, when used, produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. (California Health & Safety Code § 25249.5, et seq.) 25. 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. 26. Keep hands and feet away from moving parts. Do not reach over or across equipment while operating. 27. 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. Safety 21. Do not smoke, or allow sparks, flames, or other sources of ignition around the equipment, especially when refuelling. 28. 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. Service Precautions b. Allow the engine to completely cool. c. 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. 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. Setup a. Turn the engine switch to its “OFF” position. 8. 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. TO PREVENT FUEL LEAKAGE AND FIRE HAZARD, do not fill fuel above the bottom of fuel strainer. Operation 1. Before service, maintenance, or cleaning: 4. Wear ANSI-approved safety goggles, heavy‑duty work gloves, and dust mask/respirator during service. 6. 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. 7. Store equipment out of the reach of children. Max Fuel DO NOT OVERFILL! 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. Maintenance 5. Maintain labels and nameplates on the equipment. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement. SAVE THESE INSTRUCTIONS. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 5 Set Up 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. Safety For item 69727: The emission 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. TO PREVENT SERIOUS INJURY: 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. For item 69730: The emission 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. WARNING! DO NOT INSTALL THIS ENGINE ON A VEHICLE. WARNING! INSTALL THIS ENGINE ACCORDING TO EQUIPMENT INSTRUCTIONS BEFORE USE. Components and Controls Setup Air Filter Fuel Cap Starter Handle Operation Muffler Oil Drain Plug Maintenance Throttle Dipstick Choke Fuel Valve Engine Switch Page 6 For technical questions, please call 1-888-866-5797. ITEM 69730 High Altitude Operation Above 3000 feet NOTICE: Warranty void if necessary adjustments are not made for high altitude use. At high altitudes, the engine’s carburetor, governor (if so equipped), 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. The fuel system on this engine may be influenced by operation at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 ft. above sea level. At elevations above 8000 ft, the engine may experience decreased performance, even with the proper main jet. Operating this engine without the proper altitude kit installed may increase the engine’s emissions and decrease fuel economy and performance. The kit should be installed by a qualified mechanic. Safety WARNING! TO PREVENT SERIOUS INJURY FROM FIRE: Follow instructions 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 proceeding. Do not smoke. 1. Turn off the engine. 2. Close the fuel valve. 3. Place a bowl under the fuel cup to catch any spilled fuel. CAUTION! Carburetor bowl may have gas in it which will leak upon removing the bolt. 5. Remove the bolt, Bolt Seal, fuel cup, Fuel Cup Seal and Main Jet from the body of the carburetor assembly. A carburetor screwdriver (not included) is needed to remove and install the Main Jet. Note: The mixing tube is held in place by the Main Jet and might fall out when it is removed. If it falls out, replace it in the same orientation before replacing the Main Jet. Setup 4. Unthread the bolt holding the fuel cup. 6. Replace the Main Jet with the replacement Main Jet needed for your altitude range (part 1a or 2a). Note: The Fuel Cup Seal and Bolt Seal may be damaged during removal and should be replaced with the new ones from the kit. 7. Replace the Fuel Cup Seal (4a), fuel cup, Bolt Seal (3a), and bolt. Tighten in place. 8. 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. High Altitude Kit Parts List - A Part 1a 2a 3a 4a Description Main Jet 3000-6000 ft. Main Jet 6000-8000 ft. Bolt Seal Fuel Cup Seal Qty 1 1 1 2 Carburetor Assembly Fuel Cup Seal Mixing Tube (might remain inside carburetor) Operation NOTICE: Do not cross thread bolt when tightening. Finger tighten first and then use a wrench to make sure the bolt is properly threaded. Main Jet Fuel Cup Maintenance Bolt Seal Bolt ITEM 69730 For technical questions, please call 1-888-866-5797. Page 7 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. Safety Pre-Start Checks Inspect engine and equipment 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. Setup 1. Make sure the engine is stopped and is level. Full level Full level 2. Close the Fuel Valve. 3. Clean the top of the Dipstick and the area around it. Remove the Dipstick by turning it counterclockwise, and wipe it off with a clean, lint free rag. 4. Reinsert the Dipstick without threading it in and remove it to check the oil level. The oil level should be up to the full level as shown above. 5. If the oil level is at or below the low mark add the appropriate type of oil until the oil level is at the proper level. SAE 10W‑30 oil is recommended for general use. (The SAE Viscosity Grade chart on page 13 in the Maintenance section shows other viscosities to use in different average temperatures.) 6. Thread the dipstick back in clockwise. Operation NOTICE: Do not run the engine with too little oil. Engine will shut off if engine oil level is too low. Maintenance Page 8 For technical questions, please call 1-888-866-5797. ITEM 69730 Checking and Filling Fuel 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. 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. Safety 1. Clean the Fuel Cap and the area around it. 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. 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. Setup 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. Starting the Engine Before Starting the Engine Maintenance Operation Before starting the engine: a. Follow the Set Up Instructions in the equipment manual to prepare the equipment. b. Inspect the equipment and engine. c. 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. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 9 Manual Start Safety 1. To start a cold engine, move the Choke to the START position. To restart a warm engine, leave the Choke in the RUN position. 1 STARTRUN 2. Open the Fuel Valve. 2 Setup 3. Slide the Throttle or Speed Control Lever to 1/3 away from the SLOW position (the “turtle”). Note: Some tools have a Speed Control Lever located elsewhere on the tool which functions the same as the Throttle. Use the Speed Control Lever in place of the Throttle when the tool is so equipped. 3 Operation O OFF 4. Turn the Engine Switch on. ON ON I 4 Note: If engine does not start, check engine oil level. Engine will not start with low or no engine oil. Maintenance 5. 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. 5 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. ITEM 69730 6. Allow the Engine to run for several seconds. Then, if the Choke lever is in the START position, move the Choke Lever very slowly to its RUN position. 6 Safety Note: Moving the Choke Lever too fast could stall the engine. STARTRUN IMPORTANT: Allow the engine to run at no load for five minutes after each start‑up so that the engine can stabilize. 7. Adjust the Throttle as needed. Break-in Period: a. Breaking-in the engine will help to ensure proper equipment and engine operation. b. The operational break-in period will last about 3 hours of use. During this period: • Do not apply a heavy load to the equipment. • Do not operate the engine at its maximum speed. Setup c. The maintenance break-in period will last about 20 hours of use. • Change the engine oil after this period. Under normal operating conditions subsequent maintenance follows the schedule explained in the Maintenance section. Stopping the Engine OFF O I Operation 1. To stop the engine in an emergency, turn the Engine Switch off. 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. NOTICE Maintenance See Long-Term Storage on page 15 for complete storage instructions. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 11 Maintenance WARNING Safety TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING: Turn the Power 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 Setup 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. Before Each Use Procedure Monthly or Every 3 mo. or Every 6 mo. or every 20 50 hr. of use 100 hr. of use hr. of use Yearly or every 300 hr. of use Every 2 Years Brush off outside of engine Check engine oil level Check air cleaner Check sediment cup Change engine oil * Clean air filter Operation Check and clean spark plug 1. Check/adjust idle speed 2. Check/adjust valve clearance 3. Clean fuel tank, strainer and carburetor ** 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. Maintenance Page 12 For technical questions, please call 1-888-866-5797. ITEM 69730 Checking and Filling Fuel Engine Oil Change 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. CAUTION! Oil is very hot during operation and can cause burns. Wait for engine to cool before changing oil. 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. Safety 2. Unscrew and remove the Fuel Cap. 2. Close the Fuel Valve. 3. Place a drain pan (not included) underneath the crankcase’s drain plug. 4. Remove the drain plug and, if possible, tilt the crankcase slightly to help drain the oil out. Recycle used oil. 5. Replace the drain plug and tighten it. 6. Clean the top of the Dipstick and the area around it. Remove the Dipstick by turning it counterclockwise, and wipe it off with a clean, lint free rag. Full level Full level 7. Add the appropriate type of oil until the oil level is at the full level. SAE 10W‑30 oil is recommended for general use. The SAE Viscosity Grade chart shows other viscosities to use in different average temperatures. Setup 1. Clean the Fuel Cap and the area around it. 1. Make sure the engine is stopped and is level. SAE Viscosity Grades 10W-30 5W-30 -20 0 20 40 60 80 Average outdoor temperature 100°F Operation 30 8. Thread the dipstick back in clockwise. Maintenance NOTICE: Do not run the engine with too little oil. Engine will not start with low or no engine oil. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 13 Air Filter Maintenance Spark plug Maintenance 1. Remove the Air Cleaner Cover and the air filter(s) and check for dirt. Clean as described below. 2. Cleaning: Safety • For paper filters: 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 filter. • For foam filters: Wash the filter 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. 3. Install the cleaned filter(s). Secure the Air Cleaner Cover before use. Spark Plug Cap 1. Disconnect spark plug cap from end of plug. Clean out debris from around spark plug. 2. Using a spark plug wrench, remove the spark plug. 3. 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. Setup Recommended Spark Plugs NGK® NHSP® / TORCH® BP-6ES F6TC NOTICE: Using an incorrect spark plug may damage the engine. 4. 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. 5. Install the new spark plug or the cleaned spark plug into the engine. Operation • 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. Maintenance 6. Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the cap securely. Page 14 For technical questions, please call 1-888-866-5797. ITEM 69730 When the equipment is to remain idle for longer than 20 days, prepare the Engine for storage as follows: c. Replace spark plug, but leave spark plug cap disconnected. 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 rust damage. Apply a thin coat of rust preventive oil to all metal parts. d. 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). 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 13. WARNING! TO PREVENT SERIOUS INJURY FROM FIRE: Fill 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. 3. LUBRICATION: a. Change engine oil. 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 during or 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. Setup 2. FUEL: 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. Safety Long-Term Storage Maintenance Operation b. Clean out area around spark plug. Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 15 Troubleshooting Problem Possible Causes Engine will not start FUEL RELATED: Probable Solutions FUEL RELATED: Safety Setup Operation Maintenance 1. No fuel in tank or fuel valve closed. 1. Fill fuel tank with fresh 87+ octane stabilizertreated unleaded gasoline and open fuel valve. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Choke not in START position, cold engine. 2. Move Choke to START position. 3. Gasoline with more than 10% ethanol used. (E15, E20, E85, etc.) 3. Clean out ethanol rich gasoline from fuel system. Replace components damaged by ethanol. Use fresh 87+ octane stabilizertreated unleaded gasoline only. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 4. Low quality or deteriorated, old gasoline. 4. Use fresh 87+ octane stabilizer-treated unleaded gasoline. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 5. Carburetor not primed. 5. Pull on Starter Handle to prime. 6. Dirty fuel passageways. 6. Clean out passageways using fuel additive. Heavy deposits may require further cleaning. 7. Carburetor needle stuck. Fuel can be smelled in the air. 7. Gently tap side of carburetor float chamber with screwdriver handle. 8. Too much fuel in chamber. This can be caused by the carburetor needle sticking. 8. Turn Choke to RUN position. Remove spark plug and pull the start handle several times to air out the chamber. Reinstall spark plug and set Choke to START position. 9. Clogged Fuel Filter. 9. Replace Fuel Filter. IGNITION (SPARK) RELATED: IGNITION (SPARK) RELATED: 1. Spark plug cap not connected securely. 1. Connect spark plug cap properly. 2. Spark plug electrode wet or dirty. 2. Clean spark plug. 3. Incorrect spark plug gap. 3. Correct spark plug gap. 4. Spark plug cap broken. 4. Replace spark plug cap. 5. Incorrect spark timing or faulty ignition system. 5. Have qualified technician diagnose/ repair ignition system. COMPRESSION RELATED: COMPRESSION RELATED: 1. Cylinder not lubricated. Problem after long storage periods. 1. Pour tablespoon of oil into spark plug hole. Crank engine a few times and try to start again. 2. Loose or broken spark plug. (Hissing noise will occur when trying to start.) 2. Tighten spark plug. If that does not work, replace spark plug. If problem persists, may have head gasket problem, see #3. 3. Loose cylinder head or damaged head gasket. (Hissing noise will occur when trying to start.) 3. Tighten head. If that does not remedy problem, replace head gasket. 4. Engine valves or tappets mis‑adjusted or stuck. 4. Have qualified technician adjust/ repair valves and tappets. ENGINE OIL RELATED: ENGINE OIL RELATED: 1. Low engine oil. 1. Fill engine oil to proper level. Check engine oil before EVERY use. 2. Engine mounted on slope, triggering low oil shutdown. 2. Operate engine on level surface. 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. ITEM 69730 Probable Solutions 1. Check cap and wire connections. 2. Incorrect spark plug gap or damaged spark plug. 2. Re-gap or replace spark plug. 3. Defective spark plug cap. 3. Replace spark plug cap. 4. Old or low quality gasoline. 4. Use only fresh 87+ octane stabilizer-treated unleaded gasoline. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 5. Incorrect compression. 5. Diagnose and repair compression. (Use Engine will not start: COMPRESSION RELATED section.) 1. Fuel tank empty or full of impure or low quality gasoline. 1. Fill fuel tank with fresh 87+ octane stabilizertreated unleaded gasoline. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Low oil shutdown. 2. Fill engine oil to proper level. Check engine oil before EVERY use. 3. Defective fuel tank cap creating vacuum, preventing proper fuel flow. 3. Test/replace fuel tank cap. 4. Faulty magneto. 4. Have qualified technician service magneto. 5. Disconnected or improperly connected spark plug cap. 5. Secure spark plug cap. Engine stops when under heavy load 1. Dirty air filter 1. Clean element. 2. Engine running cold. 2. Allow engine to warm up prior to operating equipment. Engine knocks 1. Old or low quality gasoline. 1. Fill fuel tank with fresh 87+ octane stabilizertreated unleaded gasoline. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Engine overloaded. 2. Do not exceed equipment’s load rating. 3. Incorrect spark timing, deposit buildup, worn engine, or other mechanical problems. 3. Have qualified technician diagnose and service engine. 1. Impure or low quality gasoline. 1. Fill fuel tank with fresh 87+ octane stabilizertreated unleaded gasoline. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Engine too cold. 2. Use cold weather fuel and oil additives to prevent backfiring. 3. Intake valve stuck or overheated engine. 3. Have qualified technician diagnose and service engine. 4. Incorrect timing. 4. Check engine timing. Engine stops suddenly Engine backfires After sudden impact, engine will run, but equipment will not operate Shaft key or other shear pin broken by impact to disconnect engine and limit damage. Setup 1. Spark plug cap loose. Safety Engine misfires Possible Causes Have qualified technician check and replace broken shaft key or other shear pins. Operation Problem Maintenance Follow all safety precautions whenever diagnosing or servicing the equipment or engine. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 17 Parts Lists and Diagrams Parts List Safety Part Setup Operation Maintenance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 Description Gasket, Cylinder Head Cover Subassembly, Cylinder Head Gasket, Cylinder Head Cover Tube, Breather Bolt Stud Stud Stud Pin Bolt, Cylinder Head Plug, Spark Head Subassembly, Cylinder Crankcase Subassembly Sensor, Engine Oil Gear Assy, Governor Arm, Governor Bolt, Drain Plug Washer Bearing Seal, Oil Washer Pin Bolt Cover, Crankcase Bearing Seal, Oil Gasket, Crankcase Pin Dipstick Subassembly, Oil Plug Subassembly, Engine Oil Bolt Crankshaft Assy. Clip, Piston Pin Piston Pin, Piston Rod, Connecting Ring, Primary Ring, Secondary Ring Set, Oil Camshaft Assy. Valve, Exhaust Valve, Intake Seat, Valve Spring Retainer, Exhaust Valve Rotator, Valve Guide, Seal Tappet, Valve Lifter, Valve Plate Subassembly, Lifter Stopper Bolt, Valve Adjusting Rocker, Valve Record Product’s Serial Number Here: Note: If product has no serial number, record month and year of purchase instead. Page 18 Qty 1 1 1 1 4 1 1 2 2 4 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 1 2 1 1 6 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 2 2 Part 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 Description Nut, Valve Adjusting Nut, Valve Lock Spring, Valve Starter Assy, Recoil Bolt Shroud Shroud, Cylinder Body Shield,Lower Protector, Oil Switch Subassembly, Stop Engine Bolt Bolt Collar Bolt Bolt Carburetor Assy. Gasket, Air Cleaner Gasket, Carburetor Plate, Carburetor Insulator Gasket, Carburetor Insulator Nut Cleaner, Air Jacket, Rubber Gasket, Exhaust Outlet Nut Muffler Assy Tank, Fuel Strainer, Fuel Cover, Fuel Tank Outlet Subassembly, Fuel Tank Oil Clamp Tube, Fuel Bolt Nut Nut, Flywheel Pulley,Starter Impeller Flywheel Subassembly Bolt Coil, Ignition Control Assy, Throttle Bolt Spring, Governor Rod, Governor Spring, Throttle Valve Returning Bolt, Governor Support Nut Support Subassembly, Governor Valve, One Way Clamp Hose, Fuel Steam Rubber Qty 2 2 2 1 3 1 1 1 1 1 2 1 1 1 4 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 3 1 1 2 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. For technical questions, please call 1-888-866-5797. ITEM 69730 Safety 76 76 10 11 8 75 8 77 6 31 31 1 31 9 31 31 9 33 31 30 37 38 39 7 26 24 34 35 25 33 53 52 29 28 51 51 36 53 52 27 50 45 48 28 47 49 43 5446 44 54 41 48 50 47 Setup 3 12 40 42 14 93 23 93 32 23 15 92 95 97 94 96 19 17 98 99 16 22 18 73 72 72 84 81 82 17 82 78 89 18 102 101 85 85 82 74 20 91 83 13 90 90 88 62 79 100 86 80 87 62 59 58 55 64 65 66 Note: If product has no serial number, record month and year of purchase instead. Record Product’s Serial Number Here: 21 Operation 2 10 10 10 4 67 68 60 57 63 56 66 66 61 56 56 Maintenance 5 5 Assembly Diagram 5 5 71 70 69 Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. 66 Page 19 For technical questions, please call 1-888-866-5797. ITEM 69730 Mounting Hole Diagram Note: Not to scale. Safety 6.38 in. / 162mm 2.6 in. / 66mm 3.17 in. / 80.5mm 2.97 in. / 75.5mm 1.6 in. / 40.5mm Setup Operation Maintenance Page 20 For technical questions, please call 1-888-866-5797. ITEM 69730 Power Take-Off Diagram Not to scale. 2.43 in. / 61.7mm 5/16-24UNF 0.67 in. / 17mm Ø3.625 in. / 92mm Maintenance Operation Setup 4.17 in. / 106mm 4x5/16-24UNF Ø0.75 in. / 19.05mm 0.64 in. / 16.36mm 0.1875 in. / 4.78mm 5/16-24UNF 1.79 in. / 45.5mm Safety Note: ITEM 69730 For technical questions, please call 1-888-866-5797. Page 21 Warranties Limited 90 Day Warranty (Retail) Safety 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. Setup 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. Operation Maintenance Page 22 For technical questions, please call 1-888-866-5797. ITEM 69730 Harbor Freight Tools (HFT) is pleased to explain the emissions control system warranty on your Small Off-Road Engine produced after January 1, 2015 (engine), in addition to the Retail Warranty above. HFT warrants that the emissions control system on your engine is designed, built, and equipped so that it conforms to the United States Environmental Protections Agency’s (EPA) emissions requirements in effect at the time of manufacture. HFT also warrants that the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine. Your emissions control system may include parts such as the carburetor or fuel-injection system, and the ignition system. Also included may be hoses, belts, connectors and other emissions-related assemblies. Safety Emissions Control System Warranty - 69730 WHAT WE WILL DO Where a warrantable condition exists, HFT will repair or replace, at our option, any emissions-related part on your engine if it becomes defective, malfunctions, or otherwise fails to conform with this warranty under normal use and service during the two (2) year term of this warranty at no cost to you, including diagnosis, parts and labor. This warranty applies to the original purchaser and any subsequent owner within the two year warranty period. WHAT IS COVERED? The following parts are examples of components of the emissions control system and are covered by this two (2) year warranty. For a full list of emissions control components covered by this warranty, please see 40 CFR §1068, Appendix I. 4. Catalyst System (if so equipped) a. Exhaust pipe stud. b. Muffler. c. Catalytic converter (if so equipped). 2. Air Induction System a. Intake pipe/manifold. b. Air cleaner. 5. Miscellaneous Items Used in Above Systems a. Vacuum, temperature and time sensitive valves and switches. b. Hoses, belts, connectors, and assemblies. 3. Ignition System a. Spark plug. b. Magneto ignition system. Setup 1. Fuel Metering System a. Carburetor and its internal parts. b. Fuel pump (if so equipped). c. Cold start enrichment system. WHAT YOU MUST DO TO OBTAIN WARRANTY SERVICE As the engine owner, you are responsible for the performance of the required maintenance listed in your Owner’s Manual. HFT may deny you warranty coverage if your engine or a part has failed due to abuse (including failure to follow the fuel use instructions contained in this manual), neglect, improper maintenance, or unapproved modifications. Maintenance In order to obtain warranty repair or replacement, you may either (a) contact HFT product support at 1-888-866-5797 or predator@harborfreight.com; or (b) bring the to your nearest Harbor Freight Tools retail store. When going to the retail store or contacting product support, you must indicate the specific emissions control part or defect that you are claiming and the date this was originally purchased. The nearest Harbor Freight Tools retail store can be found on the internet at http://www.harborfreight.com. Operation This warranty does not cover normal maintenance services or replacement of maintenance items such as filters, oils, or spark plugs. ITEM 69730 For technical questions, please call 1-888-866-5797. Page 23 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM 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. 3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • 1-888-866-5797
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