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Honda EU70is OWNER’S MANUAL MANUEL DE EXPLICACIONES The‘‘e-SPEC’’mark symbolizes environmentally responsible technologies applied to Honda power equipment, which contains our wish to ‘‘preserve nature for generations to come.’’...
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The information and specifications included in this publication were in effect at the time of approval for printing. Honda Motor Co., Ltd. reserves the right, however, to discontinue or change specifications or design at any time without notice and without incurring any obligation whatsoever.
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INTRODUCTION Congratulations on your selection of a Honda generator. We are certain you will be pleased with your purchase of one of the finest generators on the market. We want to help you get the best results from your new generator and to operate it safely.
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A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. And using this generator safely is an important responsibility. To help you make informed decisions about safety, we have provided operating procedures and other information on labels and in this manual.
CONTENTS GENERATOR SAFETY ..............6 IMPORTANT SAFETY INFORMATION ......... 6 Operator Responsibility ............6 Carbon Monoxide Hazards ............7 Electric Shock Hazards............8 Fire and Burn Hazards ............8 Refuel With Care ..............9 Disposal ................9 SAFETY LABEL LOCATIONS............ 10 CONTROLS &...
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CONTENTS AC OPERATION ..............36 AC Applications ..............38 ECO-THROTTLE SYSTEM ............39 STANDBY POWER..............40 Connections to a Building’s Electrical System ......40 System Ground ..............40 Special Requirements............41 SERVICING YOUR GENERATOR ..........42 THE IMPORTANCE OF MAINTENANCE ........42 MAINTENANCE SAFETY ............
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CONTENTS TAKING CARE OF UNEXPECTED PROBLEMS ........ 66 ENGINE WILL NOT START............66 ENGINE LACKS POWER ............67 NO POWER AT THE AC RECEPTACLES ........67 TECHNICAL INFORMATION ............68 Serial Number Location ............68 Specifications ..............69 ASSEMBLY................70 SAFETY ................
GENERATOR SAFETY IMPORTANT SAFETY INFORMATION Honda generators are designed for use with electrical equipment that has suitable power requirements. Other uses can result in injury to the operator or damage to the generator and other property. Most injuries or property damage can be prevented if you follow all instructions in this manual and on the generator.
GENERATOR SAFETY Carbon Monoxide Hazards A generator's exhaust contains toxic carbon monoxide, which you cannot see or smell. Breathing carbon monoxide can KILL YOU IN MINUTES. To avoid carbon monoxide poisoning, follow these instructions when operating a generator: • Only run a generator OUTSIDE, far away from windows, doors, and vents.
GENERATOR SAFETY Electric Shock Hazards The generator produces enough electric power to cause a serious shock or electrocution if misused. • Do not use in wet conditions. Keep the generator dry. – Do not use in the rain or snow. –...
To protect the environment, do not dispose of the used generator, battery, engine oil, etc. carelessly by leaving them in the waste. Observe the local laws or regulations or consult your authorized Honda generator dealer to dispose of these parts.
These labels warn you of potential hazards that can cause serious injury. Read them carefully. If a label comes off or becomes hard to read, contact your authorized Honda servicing dealer for a replacement. R, RA types READ OWNER’S MANUAL...
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GENERATOR SAFETY • Honda generator is designed to give safe and dependable service if operated according to instructions. Read and understand the Owner's Manual before operating the generator. Failure to do so could result in personal injury or equipment damage.
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GENERATOR SAFETY • Improper connections to a building’s electrical system can allow current from the generator to backfeed into the utility lines. Such backfeed may electrocute utility company workers or others who contact the lines during a power outage, and the generator may explode, burn, or cause fires when utility power is restored.
CONTROLS & FEATURES COMPONENT & CONTROL LOCATIONS Use the illustrations on these pages to locate and identify the most frequently used controls. R type OIL ALERT/CHECK OVERLOAD ALARM INDICATOR INDICATOR OUTPUT INDICATOR i-MONITOR i-MONITOR BUTTON MAIN SWITCH ENGINE START BUTTON ECO-THROTTLE SWITCH AC RECEPTACLES U type...
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CONTROLS & FEATURES FUEL GAUGE FUEL TANK CAP FUSE RIGHT MAINTENANCE COVER (inside battery maintenance cover) STARTER GRIP OIL FILLER CAP BATTERY (inside battery maintenance cover) OIL DRAIN PLUG GROUND TERMINAL HANDLE STAND SPARK PLUG LEFT MAINTENANCE COVER INSPECTION COVER AIR CLEANER MUFFLER TIP WHEEL...
CONTROLS & FEATURES CONTROLS MAIN Switch The MAIN switch controls the ignition system. OFF – Stops the engine. The main switch key can be removed/ inserted. ON – Running position, and for starting with the ENGINE START MAIN SWITCH button or recoil starter, and for using the remote control kit (optional part: R, U type only).
CONTROLS & FEATURES Starter Grip Used when the battery voltage is STARTER GRIP too low to turn the starter motor. Pulling the starter grip operates the recoil starter to start the engine. 20° • Do not exceed 20 degrees from horizontal when pulling the starter grip.
CONTROLS & FEATURES Folding Handle The foldable handle makes the generator easy to push and should be folded when the generator is stationary. Do not rest objects on the extended handle. To Extend The Handle Lift handle upward. Lock levers will lock and secure the handle into place.
CONTROLS & FEATURES FEATURES Ground Terminal The ground terminal is connected to the frame of the generator, the metal non-current-carrying parts of the generator, and the ground terminals of each receptacle. Before using the ground terminal, consult a qualified electrician, electrical inspector, or local agency having jurisdiction for local codes or ordinances that apply to the intended use of the generator.
CONTROLS & FEATURES OUTPUT Indicator The green OUTPUT indicator is illuminated when the generator is operating normally. It indicates that the generator is producing electrical power at the receptacles. OUTPUT INDICATOR (GREEN) OVERLOAD ALARM Indicator If the generator is overloaded, or if there is a short circuit in a connected appliance, or if the inverter is overheated, the red OVERLOAD ALARM indicator will go ON.
CHECK indicator, turn the MAIN switch to the OFF position, add the proper amount of oil (see page 47), and then turn the MAIN switch back to the ON position. If the OIL ALERT/CHECK indicator blinks, consult an authorized Honda servicing dealer. OIL ALERT/CHECK INDICATOR (RED)
CONTROLS & FEATURES i-Monitor The i-Monitor is a user interface that allows the operator to view (when the generator is running) total operating time in hours, generator output, engine RPM, battery voltage, and error messages. The different display modes are selected by pressing the i-Monitor button. i-Monitor at Startup During start up, the i-Monitor display and all three indicators will simultaneously blink once.
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CONTROLS & FEATURES i-Monitor Display Mode 2 – Power Output This mode displays an approximate generator output on the display screen. The output is expressed in VA (volt-amperes). The output value is not an exact measurement and should be regarded as a reference only.
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Normal remote control operation will be restored after the E-01 error message clears automatically. If the E-01 error message does not clear automatically or if any other error message displays, contact an authorized Honda servicing dealer. OIL ALERT/CHECK INDICATOR ERROR MESSAGE (Example: E-01) “E-01”...
CONTROLS & FEATURES Fuel Gauge The fuel gauge is a mechanical device that measures the fuel level in the tank. The red indicator in the window will reference the level in relation to full or empty. To provide increased operating time, start with a full tank before operation.
Be sure to take care of any problem you find, or have your authorized Honda servicing dealer correct it, before you operate the generator. Improperly maintaining this...
BEFORE OPERATION Check the Engine • Before each use, look around and underneath the engine for signs of oil or gasoline leaks. • Check the engine oil level (see page 47). A low engine oil level will cause the Oil Alert system to shut down the engine. •...
OPERATION SAFE OPERATING PRECAUTIONS Before operating the generator for the first time, review chapters GENERATOR SAFETY (see page 6) and BEFORE OPERATION (see page 27). For your safety, do not operate the generator in an enclosed area such as a garage. Your generator’s exhaust contains poisonous carbon monoxide gas that can collect rapidly in an enclosed area and cause illness or death.
OPERATION Frequency of Use If your generator will be used on an infrequent or intermittent basis, (more than 4 weeks before next use), please refer to the Battery Service section of the SERVICING YOUR GENERATOR (see page 55) and the Fuel section of the STORAGE chapter (see page 60) for additional information regarding battery and fuel deterioration.
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OPERATION 2.Make sure the Eco-Throttle ECO-THROTTLE SWITCH switch is in the OFF position, or more time will be required for warm-up. If you wish to use the Eco-Throttle system, turn the Eco-Throttle switch to the ON position after the engine has warmed up for 2 or 3 minutes.
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OPERATION • Use the recoil starter when the battery voltage is too low to turn the starter motor. a. Turn the MAIN switch to the ON position. b. Open the right maintenance cover by turning its latch counterclockwise. c. Pull the starter grip lightly MAIN SWITCH until you feel resistance;...
OPERATION STOPPING THE ENGINE To stop the engine in an emergency, simply turn the MAIN switch to the OFF position. Under normal conditions, use the following procedure. 1.Turn the MAIN switch to the OFF position. MAIN SWITCH 2.Unplug all appliances from the generator AC receptacles.
OPERATION STARTING THE ENGINE with REMOTE CONTROL (Optional part) R, U type only 1.Turn the MAIN switch of the generator to the ON position. MAIN SWITCH 2.Turn the MAIN switch of the remote control to the ON position. 3.Press and release the ENGINE START button. The ENGINE START button functions for 5 seconds.
OPERATION STOPPING THE ENGINE with REMOTE CONTROL (Optional part) R, U type only 1.Turn the MAIN switch of the remote control to the OFF position. MAIN SWITCH...
OPERATION AC OPERATION If an appliance begins to operate abnormally, becomes sluggish, or stops suddenly, turn it off immediately. Disconnect the appliance, and determine whether the problem is in the appliance or the rated load capacity of the generator has been exceeded. Substantial overloading that continuously lights the red OVERLOAD ALARM indicator may damage the generator.
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When an electric motor is started, the red OVERLOAD ALARM indicator may come on. This is normal if the red OVERLOAD ALARM indicator goes OFF after about five seconds. If the red OVERLOAD ALARM indicator stays ON, consult an authorized Honda servicing dealer.
OPERATION AC Applications Before connecting an appliance or power cord to the generator: • Make sure that it is in good working order. Faulty appliances or power cords can create a potential for electrical shock. • If an appliance begins to operate abnormally, becomes sluggish, or stops suddenly, turn it off immediately.
OPERATION ECO-THROTTLE SYSTEM With the switch in the ON position, engine speed is automatically lowered when loads are reduced, turned off, or disconnected. When appliances are turned on or reconnected, the engine returns to the proper speed to power the electrical load. In the OFF position, the Eco-Throttle system does not operate.
OPERATION STANDBY POWER Connections to a Building’s Electrical System Connections for standby power to a building's electrical system must be made by a qualified electrician. The connection must isolate the generator power from utility power, and must comply with all applicable laws and electrical codes.
OPERATION Special Requirements There may be applicable laws, local codes, or ordinances that apply to the intended use of the generator. Please consult a qualified electrician, electrical inspector, or the local agency having jurisdiction. • In some areas, generators are required to be registered with local utility companies.
Remember that an authorized Honda servicing dealer knows your generator best and is fully equipped to maintain and repair it. To ensure the best quality and reliability, use only new, Honda Genuine parts or their equivalents for repair and replacement.
SERVICING YOUR GENERATOR MAINTENANCE SAFETY Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing maintenance. Only you can decide whether or not you should perform a given task. Failure to properly follow maintenance instructions and precautions can cause you to be...
(*) Replace paper element type only. (1) Service more frequently when used in dusty areas. (2) These items should be serviced by your authorized Honda servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures.
SERVICING YOUR GENERATOR REFUELING With the engine stopped, check the fuel level gauge. Refill the fuel tank if the fuel level is low. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. • Stop the engine and keep heat, sparks, and flame away.
SERVICING YOUR GENERATOR FUEL TANK CAP FUEL FILTER FULL EMPTY UPPER LEVEL MARK (RED) FUEL GAUGE After refueling, reinstall the fuel tank cap securely. FUEL RECOMMENDATIONS This engine is certified to operate on regular unleaded gasoline with a Research Octane Number of 89 or higher. Use unleaded gasoline only, or the catalyzer will loose its effectiveness and negatively affect exhaust emissions.
SERVICING YOUR GENERATOR ENGINE OIL LEVEL CHECK Check the engine oil level with the generator on a level surface and the engine stopped. 1.Open the right maintenance cover by turning its latch counterclockwise. 2.Remove the oil filler cap. 3.Check the oil level. If it is below the upper limit, fill with the recommended oil (see page 49) to the upper limit of the oil filler neck.
SERVICING YOUR GENERATOR ENGINE OIL CHANGE Drain the oil while the engine is warm to assure rapid and complete draining. 1.Open the right maintenance cover by turning its latch counterclockwise. 2.Reach under the generator and remove the black rubber seal located below the oil drain plug.
SERVICING YOUR GENERATOR ENGINE OIL RECOMMENDATIONS Oil is a major factor affecting engine performance and service life. Use 4-stroke motor oil that meets or exceeds the requirements for API service category SE or later (or equivalent). Always check the API SERVICE label on the oil container to be sure it includes the letters SE or later (or equivalent).
SERVICING YOUR GENERATOR AIR CLEANER SERVICE 1.Open the left maintenance cover by turning its latch counterclockwise. 2.Unsnap the air cleaner cover clips; remove the air cleaner cover. CLIP PAPER AIR FILTER GUIDE AIR CLEANER COVER FOAM AIR FILTER 3.Foam air filter: a.
SERVICING YOUR GENERATOR FOAM AIR FILTER CLEANING A dirty foam air filter will restrict air flow to the fuel system, reducing engine performance. If you operate the generator in very dusty areas, clean the foam air filter more frequently than specified in the Maintenance Schedule.
SERVICING YOUR GENERATOR SPARK PLUG SERVICE Recommended spark plugs: BPR6ES (NGK) To ensure proper engine operation, the spark plug must be properly gapped and free of deposits. An incorrect spark plug can cause engine damage. If the engine is hot, allow it to cool before servicing the spark plug. 1.Open the left maintenance cover by turning its latch counterclockwise.
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SERVICING YOUR GENERATOR 5.Inspect the spark plug. Replace SIDE ELECTRODE it if the electrodes are worn or fouled, or if the insulator is 0.7–0.8 mm cracked or chipped. SEALING WASHER 6.Measure the spark plug electrode gap with a wire-type feeler gauge. Correct the gap, if INSULATOR necessary, by carefully bending the side electrode.
SERVICING YOUR GENERATOR SPARK ARRESTER SERVICE If the engine has been running, the muffler will be very hot. Allow the muffler to cool before servicing the spark arrester. 1.Remove the two 5×16 mm pan head screws, and remove the tail pipe and spark arrester.
SERVICING YOUR GENERATOR BATTERY SERVICE Your generator’s engine charging system charges the battery while the engine is running. However, if the generator is only used periodically, the battery must be charged monthly to maintain the battery service life. The battery contains sulfuric acid (electrolyte), which is highly corrosive and poisonous.
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SERVICING YOUR GENERATOR Battery Removal Battery posts, terminals, and related accessories contain lead and lead compounds. Wash hands after handling. 1.Lift the handle upward. The lock levers will lock and secure the handle in place. HANDLE HANDLE LOCK LEVER 2.Loosen the cover screw and remove the battery maintenance cover.
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SERVICING YOUR GENERATOR 3.Remove the negative (–) cable from the battery negative (–) terminal, and then remove the positive (+) cable from the battery positive (+) terminal. 4.Unhook the battery strap from the bottom hook of the generator. BATTERY STRAP NEGATIVE (–) CABLE POSITIVE (+) CABLE 5.Remove the battery.
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SERVICING YOUR GENERATOR Battery Charging The battery gives off explosive hydrogen gas during normal operation. A spark or flame can cause the battery to explode with enough force to kill or seriously hurt you. Wear protective clothing and a face shield, or have a skilled mechanic perform the battery maintenance.
In the event of fuse failure, locate the cause of failure and repair it before you continue operation. If the fuse continues to fail, discontinue generator use and consult an authorized Honda servicing dealer. 1.Turn the MAIN switch to the OFF position and remove the key before checking or replacing the fuse.
Fuel deterioration and oxidation can occur in as little as 30 days and may cause damage to the fuel system. Please check with your authorized Honda servicing dealer for local storage recommendations. Gasoline will oxidize and deteriorate in storage. Old gasoline will cause hard starting, and it leaves gum deposits that clog the fuel system.
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STORAGE Draining the Fuel Tank Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. • Stop the engine and keep heat, sparks, and flame away. • Handle fuel only outdoors. • Wipe up spills immediately. Unscrew the fuel tank cap, remove the fuel filter, and empty the fuel tank into an approved gasoline container.
STORAGE Engine Oil 1.Change the engine oil (see page 48). 2.Remove the spark plug (see page 52). 3.Pour a teaspoon (5 cm ) of clean engine oil into the cylinder. 4.Pull the starter rope several times to distribute the oil in the cylinder. 5.Reinstall the spark plug (see page 53).
STORAGE STORAGE PRECAUTIONS If your generator will be stored with gasoline in the fuel tank, it is important to reduce the hazard of gasoline vapor ignition. Select a well ventilated storage area away from any appliance that operates with a flame, such as a furnace, water heater, or clothes dryer.
TRANSPORTING If the generator has been running, allow the engine to cool for at least 15 minutes before loading the generator on the transport vehicle. A hot engine and exhaust system can burn you and can ignite some materials. Keep the generator level when transporting to reduce the possibility of fuel leakage.
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TRANSPORTING • Use a hoist and attach it on the hanger (optional parts) of your generator to lift it up for transportation. • When you are to lift up your generator with your assistants by hands, take care not to lift it up by holding the handle or rear bar of the generator.
Gap or replace spark plug (see improperly gapped. page 52). Reinstall spark plug. Fuel filter restricted, fuel system Take the generator to an malfunction, fuel pump failure, authorized Honda servicing ignition malfunction, valves dealer, or refer to the shop stuck, etc. manual.
45). Fuel filter restricted, fuel system Take the generator to an malfunction, fuel pump failure, authorized Honda servicing ignition malfunction, valves dealer, or refer to the shop stuck, etc. manual. NO POWER AT THE AC RECEPTACLES...
TECHNICAL INFORMATION Serial Number Location FRAME SERIAL NUMBER Record the frame serial number and date purchased in the spaces below. You will need this information when ordering parts and when making technical or warranty inquiries. Frame serial number: Date purchased:...
TECHNICAL INFORMATION Specifications Dimensions Model EU70is Description code EEJD Length 848 mm [Handle in up position] [1,198 mm] Width 700 mm Height 721 mm 118.1 kg Dry mass [weight] * With battery Engine Model GX390 Engine type 4-stroke, overhead valve, single cylinder Displacement 389 cm [Bore×Stroke]...
ASSEMBLY SAFETY The Importance of Proper Assembly Proper assembly is essential to operator safety and the reliability of the machine. Any error or oversight made by the person assembling and servicing a unit can easily result in faulty operation, damage to the machine, or injury to the operator.
ASSEMBLY Important Safety Precautions • Make sure you have a clear understanding of all basic shop safety practices and that you are wearing appropriate clothing and safety equipment. When performing this assembly, be especially careful of the following: Read the instructions before you begin, and be sure you have the ...
ASSEMBLY ASSEMBLY Unpacking 1.Remove the generator and loose parts box from the carton. 2.Compare the loose parts with the inventory list below. Tools Required: 12 mm wrench, 10 mm wrench or Phillips head screwdriver for battery connections, pliers (not included) Loose Parts Check all loose parts against the following list.
ASSEMBLY Wheel Kit Installation Do not operate the generator without the wheel kit installed. The wheel kit provides air space between the ground and the generator air intake. If the wheel kit is not installed, it may be possible for dirt and debris to be drawn into the generator air intake, possibly causing generator damage.
ASSEMBLY Battery Battery posts, terminals, and related accessories contain lead and lead compounds. Wash hands after handling. The battery is disconnected and strapped into the battery tray for shipment. 1.Remove the battery maintenance cover (see page 56). 2.Remove the battery strap from the bottom hook, and then remove the battery.
ASSEMBLY Engine Oil The generator is shipped WITHOUT OIL in the engine. Place the generator on a level surface. Open the right maintenance cover by turning its latch counterclockwise. Remove the oil filler cap. Add enough of the recommended oil to bring the AMBIENT TEMPERATURE oil level to the upper limit of the oil filler neck.
ASSEMBLY Battery Voltage Check the battery voltage with the i-Monitor (see page 24). The battery voltage should be 12.3 V or more. If the battery voltage is low, charge the battery until the battery voltage is 12.3 V or more. BEFORE OPERATION Before using the generator, all generator operators must read the following chapters and sections:...
OPTIONAL PARTS REMOTE CONTROL KIT (R, U type only) Using the remote control in wet conditions, such as rain or snow, or near a pool or sprinkler system, or when your hands are wet, could result in malfunction. Keep the remote control dry. (degree of protection: IP3X) 1.Remove the battery maintenance cover (see page 56).
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OPTIONAL PARTS 4.Fit the grommet into the battery maintenance cover knockout. 5.Plug the remote control cable into the connector. 6.Install the battery maintenance cover and tighten the cover screw. REMOTE CONTROL CABLE REMOTE CONTROL CABLE GROMMET BATTERY MAINTENANCE COVER REMOTE CONTROL BOX 7.To avoid accidentally unplugging the remote control cable, secure the cable to the generator frame with a cable tie as shown.
OPTIONAL PARTS HANGER KIT Protect the fuel tank and frame pipe with the protector films during installation of the hanger. 1.Slide one end of the hanger under the frame pipe on the left side of the generator. 2.Slide the other end of the hanger under the frame pipe on the right side of the generator.
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