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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.
173cc
Vertical Engine
Using an engine indoors
CAN KILL YOU IN MINUTES.
Engine exhaust c
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SAFETY SETUP OPERATION MAINTENANCE Table of Contents Specifications ............................................. 2 Maintenance .............................................. 12 Safety ......................................................... 3 Warranties ................................................. 17 Set Up......................................................... 8 Parts Lists and Diagrams .......................... 19 Operation .................................................... 9 Speci
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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. 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
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SAFETY SETUP OPERATION MAINTENANCE Set up Precautions 1. Gasoline fuel and fumes are flammable, and 4. Set up and use only on a flat, level, potentially explosive. Use proper fuel storage well-ventilated surface. and handling procedures. Do not store fuel 5. Wear ANSI-approved safety goggles, heavy-duty or other flammable materials nearby. work gloves, and dust mask/respirator during set up. 2. Have multiple ABC class fire extinguishers nearby. 6. Use only lubricants and fuel recommended 3
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11. Engine can produce high noise levels. 20. Parts, especially exhaust system components, Prolonged exposure to noise levels above 85 get very hot during use. Stay clear of hot parts. dBA is hazardous to hearing. Always wear 21. Do not cover the engine or ear protection when operating or working equipment during operation. around the gas engine while it is operating. 22. Keep the equipment, engine, and 12. Wear ANSI-approved safety glasses, hearing surrounding area clean at all times. pr
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SAFETY SETUP OPERATION MAINTENANCE Service Precautions 1. Before service, maintenance, or cleaning: 6. Have the equipment serviced by a qualified repair person using only identical replacement parts. a. Release the brake handle, stopping the engine. This will ensure that the safety of the equipment b. Allow the engine to completely cool. is maintained. Do not attempt any service or maintenance procedures not explained in this c. Then, remove the spark plug manual or any procedures that y
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Engine Components Fuel Cap Priming Bulb Starter Handle Dipstick Muffler Air Filter Brake Arm Throttle Serial Number Location (Write on front cover of manual.) Vertical Engine For technical questions, please call 1-800-520-0882. Page 7 XXXXXXXXXX MAINTENANCE OPERATION SETUP SAFETY
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SAFETY SETUP OPERATION MAINTENANCE 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. 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 t
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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 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 Checking and Filling Fuel CAUTION! Your Warranty is VOID if the engine’s WARNING! TO PREVENT S
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SAFETY SETUP OPERATION MAINTENANCE Starting the Engine 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 fuel and oil. d. Read the Equipment Operation section in the equipment manual. e. Move the mower to a location that is flat, level, and free from loose objects (such as rocks or sticks). The mower may be difficult to start on grass
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4. Grip the Starter Handle of the Engine loosely and pull it gently until resistance is felt. Allow Cable to retract fully and then pull it quickly. 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. 4 5 5. Allow the Engine to run for several seconds. Then, the Mower’s Throttle control can be adjusted as desired for operation. IMPORTANT: Allow the engine to run at no load for a minute or
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SAFETY SETUP OPERATION MAINTENANCE Maintenance WARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING: Release the brake handle, 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 manua
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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. Full level 3. 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. 6. Reinsert t
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SAFETY SETUP OPERATION MAINTENANCE 3. Inspect the spark plug: 5. Install the new spark plug or the cleaned spark plug If the electrode is oily, clean it using a clean, dry into the engine. Gasket-style: Finger-tighten until the rag. If the electrode has deposits on it, polish it gasket contacts the cylinder head, then about 1/2-2/3 using emery paper. If the white insulator is cracked turn more. or chipped, the spark plug needs to be replaced. Non-gasket-style: Finger-tighten until the plug
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Troubleshooting Problem Possible Causes Probable Solutions Engine will not start MOWER ENGINE SPECIFIC: MOWER ENGINE SPECIFIC: 1. Brake Handle not held or brake 1. Make sure brake handle is held down cable not connected properly. and brake cable is properly adjusted. 2. Mower on top of grass. 2. Start mower atop clear area free of loose objects and grass. FUEL RELATED: FUEL RELATED: 1. No fuel in tank. 1. Fill fuel tank. 2. Low quality or deteriorated, old gasoline. 2. Use fresh 87+ octane unl
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SAFETY SETUP OPERATION MAINTENANCE Problem Possible Causes Probable Solutions Engine stops 1. Low oil shutdown. 1. Fill engine oil to proper level. suddenly Check engine oil before EVERY use. 2. Fuel tank empty or full of impure 2. Fill fuel tank with fresh 87+ or low quality gasoline. octane unleaded gasoline. 3. Defective fuel tank cap creating 3. Test/replace fuel tank cap. vacuum, preventing proper fuel flow. 4. Faulty magneto. 4. Have qualified technician service magneto. 5. Disconnecte
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Warranties Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure To take advantage of this warranty, the product or part that its products meet high quality and durability must be returned to us with transportation charges standards, and warrants to the original purchaser that this prepaid. Proof of purchase date and an explanation of product is free from defects in materials and workmanship the complaint must accompany the merchandise. If our for the period of 90 day
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SAFETY SETUP OPERATION MAINTENANCE 4. Coverage Exclusions Manufacturer’s Warranty Coverage Warranty claims shall be filed in accordance with the provisions The 1995 and later engines are warranted for two of the HFT warranty policy explained in the box at the top of the (2) years. If any emission-related part on your engine is previous page. HFT shall not be liable for any loss of use of defective, the part will be repaired or replaced by HFT. the engine, for any alternative usage, for an
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Parts Lists and Diagrams Mounting Hole Diagram Note: Not to scale. A-A 2:1 1.1 in. / 28mm 0.98 in. / 25mm A 6*Ø0.35 in. / 9mm Ø0.24 in. / 6mm Ø8 in. / 203mm A Ø0.34 in. / 8.7mm Ø1 in. / 25.4mm Ø0.24 in. / 6mm Ø0.34 in. / 8.7mm 3.94 in. / 100mm 3.85 in. / 97.7mm REV 11f Vertical Engine For technical questions, please call 1-800-520-0882. Page 19 3/8 in. x 24 3.27 in. / 83mm MAINTENANCE OPERATION SETUP SAFETY
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SAFETY SETUP OPERATION MAINTENANCE 68122 Parts List Part Description Qty. Part Description Qty. 1 Cover, Cylinder Head 1 61 Plate Asm., Lifter Stopper 1 2 Gasket, Cylinder Head Cover 1 62 Lifter, Valve 2 3 Head Asm., Cylinder 1 63 Tappet, Valve 2 4 Gasket, Cylinder Head 1 64 Camshaft Asm. 1 5 Bolt 4 65 Valve, Exhaust 1 6 Plug, Spark 1 66 Starter Asm., Recoil 1 7 Bolt, Cylinder Head 4 67 Housing, Engine 1 8 Bracket, Muffler Shield 1 68 Shroud 1 9 Bolt 1 69 Nut 3 10 Stud 2 70 Stud 2 11 Pin 2 71 St
