7DK-9-10_hyoshi 09.1.20 4:43 PM Page 1 Generator OWNER’S MANUAL Read this manual carefully before operating this machine. EF2000iS PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2009.01-1.
7DK-9-10_hyoshi 09.1.20 4:43 PM Page 3 Read this manual carefully befor operating this machine.This manual should stay with this machine if it is sold.
7DK-9-10 09.1.27 1:46 PM Page a AE00002 INTRODUCTION Congratulations on your purchase of your new Yamaha. This manual will provide you with a good basic understanding of the operation and maintenance of this machine. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer. AE00022 EF2000iS OWNER’S MANUAL © 2009 by Yamaha Motor Corporation, U.S.A. 1st Edition, January 2009 All rights reserved.
7DK-9-10 09.1.27 1:46 PM Page b IMPOTANT MANUAL INFORMATION Particularly important information is distinguished in this manual by the following notations. 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. WARNING A WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.
7DK-9-10 09.1.27 1:46 PM Page c AE00041 CONTENTS SAFETY INFORMATION.........................1 EXHAUST FUMES ARE POISONOUS........................................1 FUEL IS HIGHLY FLAMMABLE AND POISONOUS........................................1 ENGINE AND MUFFLER MAY BE HOT ......................................................1 ELECTRIC SHOCK PREVENTION .....2 CONNECTION NOTES ........................3 CONNECTION .....................................3 EXTENSION CORD NOTES................
7DK-9-10 09.1.27 1:46 PM Page 1 AE00071 SAFETY INFORMATION AE00072 EXHAUST FUMES ARE POISONOUS 7DK-001 9 Never operate the engine in a closed area or it may cause unconsciousness and death within a short time. Operate the engine in a well ventilated area. AE00075 FUEL IS HIGHLY FLAMMABLE AND POISONOUS 7DK-002 7DK-003 9 Always turn off the engine when refuelling. 9 Never refuel while smoking or in the vicinity of an open flame.
DK-9-10 09.1.27 1:46 PM Page 2 9 Keep the machine at least 1 m (3 ft) from buildings or other equipment, or the engine may overheat. a a 1 m (3 ft) 7DK-007 9 Do not operate the engine with a dust cover or other objects covering it. 9 When covering the generator, be sure to do so only after the engine and muffler have completely cooled down. 7DK-008a 9 Be sure to carry the generator only by its carrying handles 1. 1 7DK-036 9 Do not place any obstacles on the generator.
7DK-9-10 09.1.27 1:46 PM Page 3 9 Connect the ground lead of the machine to the ground (Earth) terminal 1 and connect the end to the ground electrode buried in the ground. 1 7DK-011 AE00088 CONNECTION NOTES 1 9 Avoid connecting the generator to commercial power outlet. 9 Avoid connecting the generator in parallel with any other generator.
7DK-9-10 09.1.27 1:46 PM Page 4 AE00062 LOCATION OF IMPORTANT LABELS Please read the following labels carefully before operating this machine. TIP Maintain or replace safety and instruction labels, as necessary. 1 2 3 4 6 5 7DK-013 1 DANGER Using a generator indoors CAN KILL YOU IN MINUTES. Generator 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.
7DK-9-10 09.1.27 1:46 PM Page 5 2 q WARNING 8 Read the owner’s manual and all labels before operating. 8 Only operate in well-ventilated areas. Exhaust gas contains poisonous carbon monoxide. 8 Check for spilled fuel or fuel leaks. 8 Stop engine before refueling. 8 Do not operate near flammable materials. 8 Electrocution can occur if generator is used in rain, snow, or near water. Keep this unit dry at all times.
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7DK-9-10 09.1.27 1:46 PM Page 7 AE00101 CONTROL FUNCTION AE00121 Engine switch 2 The engine switch controls the ignition system. 1 7DK-018 1 7 “ON” Ignition circuit is switched on. The engine can be started. 2 5 “STOP” Ignition circuit is switched off. The engine will not run. AE00111 Oil warning light (Red) When the oil level falls below the lower level, the oil warning light comes on and then the engine stops automatically. Unless you refill with oil, the engine will not start again.
7DK-9-10 09.1.27 1:46 PM Page 8 NOTICE Reduce the load of the connected electric device below the specified rated output of the generator if the DC protector turns off. If the DC protector turns off again, stop using the device immediately and consult a Yamaha dealer. AE00142 Economy control switch 1 I “ON” 2 1 7DK-020 When the economy control switch is turned to “ON” 1, the economy control unit controls the engine speed according to the connected load.
7DK-9-10 09.1.27 1:46 PM Page 9 AE01087 Overload indicator light (Red) 1 7DK-021 The overload indicator light 1 comes on when an overload of a connected electrical device is detected, the inverter control unit overheats, or the AC output voltage rises. Then, the AC protector will trip, stopping power generation in order to protect the generator and any connected electric devices.
7DK-9-10 09.1.27 1:46 PM Page 10 Fuel tank cap air vent knob 2 1 7DK-023 The fuel tank cap 2 is provided with an air vent knob 1 to stop fuel flow. The air vent knob must be turned to “ON”. This will allow fuel to flow to the carburetor and the engine to run. When the engine is not in use, turn the air vent knob to “OFF” to stop fuel flow. Fuel cock knob 2 1 7DK-024 The fuel cock supplies fuel from the fuel tank to the carburetor. The fuel cock has two positions.
7DK-9-10 09.1.27 1:46 PM Page 11 PREPARATION AE00856 Fuel WARNING 7DK-026 7DK-091 9 Fuel is highly flammable and poisonous. Check “SAFETY INFORMATION” (See page 1) carefully before filling. 9 Do not overfill the fuel tank, otherwise it may overflow when the fuel warms up and expands. 9 After fill the fuel, make sure the fuel tank cap is tightened securely. NOTICE 9 Immediately wipe off spilled fuel with a clean, dry, soft cloth, since fuel may deteriorate painted surfaces or plastic parts.
7DK-9-10 09.1.27 1:46 PM Page 12 AE00222 Engine oil NOTICE The generator has been shipped without engine oil. Do not start the engine till fill with the sufficient engine oil. 1. Place the generator on a level surface. 2. Remove the screws 1, and then remove the cover 2. 1 2 7DK-030 3. Remove the oil filler cap 1. 1 7DK-031 4. Fill the specified amount of the recommended engine oil, and then install and tighten the oil filler cap.
7DK-9-10 09.1.27 1:46 PM Page 13 AE00845 PRE-OPERATION CHECK WARNING If any item in the Pre-operation check is not working properly, have it inspected and repaired before operating the generator. The condition of a generator is the owner's responsibility. Vital components can start to deteriorate quickly and unexpectedly, even if the generator unused. TIP Pre-operation checks should be made each time the generator is used. Pre-operation check Fuel (See page 11) 9 Check fuel level in fuel tank.
7DK-9-10 09.1.27 1:46 PM Page 14 AE00846 OPERATION WARNING 7DK-047 9 Never operate the engine in a closed area or it may cause unconsciousness and death within a short time. Operate the engine in a well ventilated area. 9 Before starting the engine, do not connect any electric devices. NOTICE The generator has been shipped without engine oil. Do not start the engine till fill with the sufficient engine oil. Starting the engine 1. Turn the economy control switch (Black) to “OFF” 1.
7DK-9-10 09.1.27 1:46 PM Page 15 5. Pull the choke knob 1 fully out. 1 1 Choke knob 7DK-040 TIP The choke is not required to start a warm engine. Push the choke knob in to the original position. 6. Pull slowly on the recoil starter until it is engaged, then pull it briskly. TIP Grasp the carrying handle firmly to prevent the generator from falling over when pulling the recoil starter. 7DK-041 7DK-042 7.
7DK-9-10 09.1.27 1:46 PM Page 16 AE01025 Stopping the engine TIP Turn off any electric devices. 1 7DK-034 1. Turn the economy control switch (Black) to “OFF” 1. 1 3 “OFF” 2. Disconnect any electric devices. 7DK-047 3. Turn the engine switch (Red) to “STOP” 1. 1 5 “STOP” 1 7DK-044 4. Turn the fuel cock knob to “OFF” 1. 1 1 “OFF” 7DK-045 5. Turn the fuel tank cap air vent knob to “OFF” 1 after the engine has completely cooled down.
7DK-9-10 09.1.27 1:46 PM Page 17 AE00839 Connection Alternating Current (AC) WARNING Be sure any electric devices are turned off before plugging them in. NOTICE 9 Be sure all electric devices including the lines and plug connections are in good condition before connection to the generator. 9 Be sure the total load is within generator rated output. 9 Be sure the receptacle load current is within receptacle rated current. TIP Make sure to ground (Earth) the generator.
7DK-9-10 09.1.27 1:46 PM Page 18 Battery Charging TIP 9 The generator DC rated voltage is 12V. 9 Start the engine first, and then connect the generator to the battery for charging. 9 Before starting to charge the battery, make sure that the DC protector is turned on. 2 1 Red wire 2 Black wire 1 762-040 1. Start the engine. 2. Connect the red battery charger lead to the positive (+) battery terminal. 3. Connect the black battery charger lead to the negative (-) battery terminal. 4.
7DK-9-10 09.1.27 1:46 PM Page 19 TIP 9 Follow instructions in the owner’s manual for the battery to determine the end of battery charging. 9 Measure the specific gravity of electrolyte to determine if the battery is fully charged. At full charge, the electrolyte specific gravity is between 1.26 and 1.28. 9 It is advisable to check the specific gravity of the electrolyte at least once every hour to prevent overcharging the battery.
7DK-9-10 09.1.27 1:46 PM Page 20 AE00812 Application range When using the generator, make sure the total load is within rated output of a generator. Otherwise, generator damage may occur. DC AC Power factor 1 0.8–0.95 0.4–0.75 (Efficiency 0.85) EF2000iS –1,600W –1,280W –544W Rated voltage 12V Rated current 8A TIP 9 “–” means below. 9 Application wattage indicates when each device is used by itself.
7DK-9-10 09.1.27 1:46 PM Page 21 AE00401 PERIODIC MAINTENANCE Safety is an obligation of the owner. Periodic inspection, adjustment and lubrication will keep your generator in the safest and most efficient condition possible. The most important points of generator inspection, adjustment, and lubrication are explained on the following pages. WARNING If you are not familiar with maintenance work, have a Yamaha dealer do it for you.
7DK-9-10 09.1.27 1:46 PM Item Crankcase breather hose Cylinder head Valve clearance Fittings / fasteners Page 22 Routine Every Preoperation 6 months 12 months check or 100 Hr or 300 Hr • Check breather hose for cracks or damage. 1 • Replace if necessary. • Decarbonize cylinder head. ★ • More frequently if necessary. ★ • Check and adjust when engine is cold. • Check all fittings and fasteners. ★ • Correct if necessary.
7DK-9-10 09.1.27 1:46 PM Page 23 Spark plug inspection The spark plug is important engine components, which should be checked periodically. 1. Remove the screws 1, and then remove the cover 2. 1 2 7DK-030 4 3 2. Remove the spark plug cap 3 and cap 4, and insert the tool 5 through the hole from the outside of the cover. 7DK-053 6 3. Insert the handlebar 6 into the tool 5 and turn it counterclockwise to remove the spark plug. 5 7DK-054 4. Check for discoloration and remove the carbon.
7DK-9-10 09.1.27 1:46 PM Page 24 6. Install the spark plug. Spark Plug Torque: 20.0 N•m (2.0 kgf•m, 14.8 lbf•ft) TIP If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/41/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible. 7. Install the spark plug cap and cap. 8. Install the cover and tighten the screws. AE00431 Carburetor adjustment The carburetor is a vital part of the engine.
7DK-9-10 09.1.27 1:46 PM Page 25 4. Place an oil pan under the engine. Tilt the generator to drain the oil completely. 5. Replace the generator on a level surface. NOTICE 7DK-055 Do not tilt the generator when adding engine oil. This could result in overfilling and damage to the engine. 7DK-033 6. Add engine oil to the upper level 1.
7DK-9-10 09.1.27 1:46 PM Page 26 AE01084 Air filter 1. Remove the screws 1, and then remove the cover 2. 1 2 7DK-030 2. Remove the screw 1 and then remove the air filter case cover 2. 2 7DK-061 1 3. Remove the foam element 1. 4. Wash the foam element in solvent and dry it. 5. Oil the foam element and squeeze out excess oil. The foam element should be wet but not dripping. 1 Recommended oil: Foam-air-filter oil or SAE #20 motor oil NOTICE Do not wring out the foam element when squeezing it.
7DK-9-10 09.1.27 1:46 PM Page 27 AE01075 Muffler screen and spark arrester WARNING 7DK-026 1. Remove the screws 1, and then pull outward on the areas of the cover 2 shown. 2 1 The engine and muffler will be very hot after the engine has been run. Avoid touching the engine and muffler while they are still hot with any part of your body or clothing during inspection or repair. 1 7DK-066 2 1 3 2. Loosen the bolt 1 and then remove the muffler cap 2, the muffler screen 3 and spark arrester 4.
7DK-9-10 09.1.27 1:46 PM Page 28 3. Remove the carbon deposits on the muffler screen and spark arrester using a wire brush. NOTICE 711-075 When cleaning, use the wire brush lightly to avoid damaging or scratching of the muffler screen and spark arrester. 4. Check the muffler screen and spark arrester. Replace them if damaged. 5. Install the spark arrester. TIP Align the spark arrester projection 1 with the hole 2 in the muffler pipe. 2 1 7DK-065a 6. Install the muffler screen and the muffler cap. 7.
7DK-9-10 09.1.27 1:46 PM Page 29 AE00471 Fuel tank filter WARNING 1 Never use the gasoline while smoking or in the vicinity of an open flame. 1. Remove the fuel tank cap and filter 1. 2. Clean the filter with gasoline. If damaged, replace it. 3. Wipe the filter and install it. 4. Install the fuel tank cap. WARNING Be sure the fuel tank cap is tightened securely.
7DK-9-10 09.1.27 1:46 PM Page 30 AE00601 STORAGE Long term storage of your machine will require some preventive procedures to guard against deterioration. AE01056 Drain the fuel 1 7DK-044 1. Turn the engine switch to “STOP” 1. 2. Remove the fuel tank cap. Extract the fuel from the fuel tank into an approved gasoline container using a commercially available handsiphon. Then, install the fuel tank cap. WARNING Fuel is highly flammable and poisonous. Check “SAFETY INFORMATION” (See page 1) carefully.
7DK-9-10 09.1.27 1:46 PM Page 31 6. Remove the screws 1, and then remove the cover 2. 1 2 7DK-030 3 7DK-071 7. Drain the fuel from the carburetor by loosening the drain screw 3 on the carburetor float chamber. 8. Turn the engine switch to “OFF”. 9. Turn the fuel cock knob to “OFF”. 10. Tighten the drain screw 3. 11. Install the cover and tighten the screws. 12. Turn the fuel tank cap air vent knob to “OFF”. 13. Tighten further if any screws, bolts and nuts are loose. 14.
7DK-9-10 09.1.27 1:46 PM Page 32 Engine Perform the following steps to protect the cylinder, piston ring, etc. from corrosion. 1. Remove the spark plug, pour about one tablespoon of SAE 10W-30 or 20W-40 motor oil into the spark plug hole and reinstall the spark plug. Recoil start the engine by turning over several times (with ignition off) to coat the cylinder walls with oil. 2. Pull the recoil starter until you feel compression. Then stop pulling. (This prevents the cylinder and valves from rusting). 3.
7DK-9-10 09.1.27 1:46 PM Page 33 AE00512 TROUBLESHOOTING 7DK-091 Engine won’t start 1. Fuel systems No fuel supplied to combustion chamber. 2 No fuel in tank .... Supply fuel. 2 Fuel in tank .... Fuel tank cap air vent knob and fuel cock knob to “ON” 1. 2 Clogged fuel line .... Clean fuel line. 2 Clogged carburetor .... Clean carburetor. 1 7DK-035 1 7DK-038 2. Engine oil system Insufficient 2 Oil level is low .... Add engine oil.
7DK-9-10 09.1.27 1:46 PM Page 34 3. Electrical systems 2 Engine switch to “ON” 1 and pull the recoil starter. Poor spark 2 Spark plug dirty with carbon or wet .... Remove carbon or wipe spark plug dry. 2 Faulty ignition system .... Consult a Yamaha dealer. 1 7DK-039 7DK-041 791-001d AE00515 Generator won’t produce power 2 Safety device (DC protector) to “OFF” 2 ···· Press the DC protector to “ON” 1. 2 Safety device (AC) to “OFF” .... Stop the engine,then restart.
7DK-9-10 09.1.27 1:46 PM Page 35 AE00515 A ENGINE DOES NOT START B Turn the engine switch to “ON”, then pull the recoil starter and check if the oil warining light flickers. E C H Does not flicker D Check engine oil level. Flickers. Pull the recoil starter and check the spark plug for spark strength. (See “WARNING”) F OK Consult a Yamaha dealer. G Level low Add engine oil. w 9 To prevent FIRE HAZARDS be sure fuel is not present in the spark plug area.
7DK-9-10 09.1.27 1:46 PM Page 36 AE00701 SPECIFICATIONS AE00702 Dimensions Overall Length Overall Width Overall Height Dry Weight Unit mm (in) mm (in) mm (in) kg (lb) EF2000iS 490 (13.3) 280 (11.0) 455 (17.
7DK-9-10 09.1.27 1:46 PM Page 37 CONSUMER INFORMATION AE00012 PRI-I.D. NUMBER: Identification number records Record your Primary I.D., and serial numbers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer. Also record and keep these I.D. numbers in a separate place in case your machine is stolen. MODEL PRI-I.D. CODE SERIAL No. AE00011 Machine identification The machine serial number is stamped in the location as shown. Serial NO.
7DK-9-10 09.1.27 1:46 PM Page 38 AE01119 YAMAHA MOTOR CORPORATION U.S.A. EF- AND EDL-SERIES GENERATOR LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants that new Yamaha consumer generators purchased from an authorized Yamaha consumer generator dealer in the continental United States will be free from defects in material and workmanship for the period of time stated herein, subject to certain stated limitations.
7DK-9-10 09.1.27 1:46 PM Page 39 WARRANTY QUESTIONS AND ANSWERS Q. What costs are my responsibility during the warranty period? A. The customer’s responsibility includes all costs of normal maintenance service, non-warranty repairs, accident damages, as well as oil and spark plugs. Q. Is the warranty transferable to second owners? A. Yes. The remainder of the existing warranty can be transfered upon request.
7DK-9-10 09.1.27 1:46 PM Page 40 AE00789 EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTS Item Acronym 9 CARB. ASSY., LH. & JT., .......................CARB (Carburetor) CARBURETOR2 9 T.C.I. MAGNETO ASSY. & .....................EI (Electronic Ignition) PLUG, SPARK 9 CRANKCASE1 & HEAD, .......................PCV (Positive Crankcase CYLINDER1 Ventilation) 9 AIR FILTER ASSY. . ................................ACL (Air Cleaner) 9 MUFF.
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7DK-9-10_hyoshi 09.1.20 4:43 PM Page 3 Read this manual carefully befor operating this machine.This manual should stay with this machine if it is sold.
7DK-9-10_hyoshi 09.1.20 4:43 PM Page 1 Generator OWNER’S MANUAL Read this manual carefully before operating this machine. EF2000iS PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2009.01-1.
