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OWNER'S MANUAL
KOHLER AEGIS
®
LV625, LV675, LV680
LIQUID-COOLED
VERTICAL CRANKSHAFT
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Safety Precautions To ensure safe operations please read the following statements and understand their meaning. Also refer to your equipment owner's manual for other important safety information. This manual contains safety precautions which are explained below. Please read carefully. WARNING Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the warning is ignored. CAUTION Caution is used to indicate the presence
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Safety Precautions (Cont.) WARNING WARNING WARNING Explosive Gas can cause fires and Accidental Starts can cause severe Carbon Monoxide can cause severe acid burns. injury or death. severe nausea, fainting or death. Charge battery only in a well Disconnect and ground spark plug Do not operate engine in closed or ventilated area. Keep sources of leads before servicing. confined area. ignition away. Accidental Starts! Lethal Exhaust Gases! Explosive Gas! Disabling engine. Accidental Engine exhaust
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Engine Upper Blower Housing and Retaining Identification Label Air Intake Screen Assembly Strap Oil Fill/ Dipstick Fuel Electric Pump Starter Spark Plug Oil Filter Valve Cover with Spark Integral Breather Plug Figure 1. Typical Kohler Aegis Vertical Shaft Engine. ® hours using standard petroleum based oil Oil Recommendations before switching to synthetic oil. Using the proper type and weight of oil in the crankcase is extremely important. So is checking oil A logo or symbol on oil containers ide
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Do not use gasoline left over from the previous season, Record your engine identification numbers on the to minimize gum deposits in your fuel system and to identification label (Figure 4) for future reference. ensure easy starting. Do not add oil to the gasoline. Do not overfill the fuel tank. Leave room for the fuel to expand. IMPORTANT ENGINE INFORMATION THIS ENGINE MEETS U.S. EPA AND CA 2005 Fuel Type AND LATER AND EC STAGE II (SN:4) EMISSION For best results use only clean, fresh, unleaded
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Operating Instructions Also read the operating instructions of the equipment this engine powers. Pre-Start Checklist Starting Check oil level. Add oil if low. Do not overfill. 1. Place the throttle control midway between the “slow” and “fast” positions. Place the choke Check coolant level. Add coolant if low. control into the “on” position. Check fuel level. Add fuel if low. 2. Start the engine by activating the key switch. Release the switch as soon as the engine starts. Check radiator,
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Battery High Temperature Sensor A 12 volt battery is normally used. Refer to the Some engines are equipped with a high temperature operating instructions of the equipment this engine sensor mounted in the cooling system. If the safe powers for specific battery requirements. operating temperature is exceeded, it will either shut off the engine or activate a warning signal, depending If the battery charge is not sufficient to crank the on the application. engine, recharge the battery (see page 15)
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Maintenance Instructions Maintenance, repair, or replacement of the emission control devices and systems, which are being done at the customers expense, may be performed by any non-road engine repair establishment or individual. Warranty repairs must be performed by an authorized Kohler service outlet. WARNING: Accidental Starts! Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or equipment, disable the engine as follows: 1) Disconnect the spar
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2. Remove one of the oil drain plugs and the oil fill cap/dipstick. Be sure to allow ample time for complete drainage. "Full" Mark 3. Before removing the oil filter, clean the area around the oil filter to keep dirt and debris out of Operating the engine. Remove the old filter and wipe off the Range filter adapter with a clean cloth. 4. Reinstall the drain plug. Make sure it is tightened to 13.6 N·m (10 ft. lb.) torque. 5. Place a new replacement filter in a shallow pan with the open end up. Pou
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Cooling System Maintenance and Service Important service notes: Do not operate the engine without coolant in system. Do not remove the radiator cap when hot. Engine coolant is hot and under pressure and can cause severe burns. To prevent engine overheating and damage, use the recommended anti-freeze mixture in the cooling system. Figure 8. Unhooking Retaining Straps. To prevent engine damage, do not pour cold water into a hot engine. To prevent engine damage, do not use anti-freeze wit
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Draining Cooling System 1. Stop the engine and allow it to cool sufficiently. 2. Unhook the four retaining straps, and remove the upper blower housing and screen assembly. See Figures 8 and 9. 3. Check if the radiator is cool to the touch. Slowly loosen the radiator cap to the first stop and allow any pressure to bleed off. Then fully loosen and remove it. Loosen Screws Figure 13. Loosening Screws. 6. Remove the reservoir cap. Carefully tip the bracket away from the reservoir, and lift the reser
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7. Reinstall the reservoir, engaging the two lower 3. Fill the radiator with the coolant mixture. Allow molded protrusions in the mounting holes of the coolant to drain into the lower areas. Fill the support bracket. Engage the top bracket around overflow reservoir to a level between the ‘‘Max. the upper protrusion. Hold it in this position and Level’’ and ‘‘Min. Level’’ marks. See Figure 10. torque the screws to 7.3 N·m (65 in. lb.). Reinstall the radiator and reservoir caps. 8. Reinstall the r
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Service Precleaner Wash and reoil the precleaner every 25 hours of operation (more often under extremely dusty or dirty conditions). 1. Unhook the four retaining straps and remove the upper blower housing and screen assembly. See Figures 8 and 9. 2. Remove the foam precleaner from the paper element. See Figure 17. Figure 19. Unsnapping Screen Assembly. Figure 17. Removing Precleaner from Paper Element. 3. Wash the precleaner in warm water with detergent. Rinse the precleaner thoroughly until all
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3. Unhook the element retaining strap and remove Clean Air Intake/Cooling Areas the paper element from the air cleaner base. See To ensure proper air circulation, make sure the air Figure 21. intake screen, radiator, cooling fins, and other external surfaces of the engine are kept clean at all times. Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the upper blower housing assembly. Clean the cooling fins of the radiator, external surfaces, and the air in
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Ignition System Wire Gauge This engine is equipped with an electronic CD ignition system. Other than periodically checking/replacing the spark plugs, no maintenance or adjustments are Spark Plug necessary or possible with this system. In the event starting problems should occur which are not corrected by replacing the spark plugs, see your Kohler Engine Service Dealer for trouble analysis. Check Spark Plugs Annually or every 200 hours of operation (whichever comes first), remove the spark plugs,
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Carburetor Troubleshooting and Make sure fuel is reaching the carburetor. This includes checking the fuel lines and fuel pump for Adjustments restrictions or faulty components, replace as In compliance with the government emission necessary. standards, the carburetor is calibrated to deliver the correct fuel-to-air mixture to the engine under all Make sure the air cleaner element and precleaner operating conditions. The carburetor cannot be are clean and properly secured. adjusted, except fo
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Troubleshooting When troubles occur, be sure to check the simple causes which, at first, may seem too obvious to be considered. For example, a starting problem could be caused by an empty fuel tank. Some common causes of engine troubles are listed in the following table. Do not attempt to service or replace major engine components, or any items that require special timing or adjustment procedures. Have your Kohler Engine Service Dealer do this work. Dirty Air Possible Cause No Improper Dirt In I
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Specifications Model: ...........................................................................................LV625 .........................LV675/LV680 Bore: ..................................................... in. (mm) .........................3.03 (77) .....................3.15 (80) Stroke: ................................................... in. (mm) .........................2.64 (67) .....................2.64 (67) 3 3 Displacement: ........................................in (cm ) .......
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KOHLER CO. FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS LIMITED WARRANTY SMALL OFF-ROAD ENGINES The U.S. Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and Kohler Co. are pleased to explain the Federal and California Emission Control Systems Warranty on your small off-road equipment engine. For California, engines produced in 1995 and later must be designed, built and equipped to meet the state’s stringent anti-smog standards. In other states, 1997 and later
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LIMITATIONS This Emission Control Systems Warranty shall not cover any of the following: (a) repair or replacement required because of misuse or neglect, improper maintenance, repairs improperly performed or replacements not conforming to Kohler Co. specifications that adversely affect performance and/or durability and alterations or modifications not recommended or approved in writing by Kohler Co., (b) replacement of parts and other services and adjustments necessary for required maintenance a
