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Yamaha EF2400iS Owner's Manual

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Generator
OWNER'S MANUAL
Read this manual carefully before operating this machine.
EF2400iS
LIT-19626-01-54
7CF-28199-14

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Summary of Contents for Yamaha EF2400iS

  • Page 1 Generator OWNER’S MANUAL Read this manual carefully before operating this machine. EF2400iS LIT-19626-01-54 7CF-28199-14...
  • Page 2 Read this manual carefully befor operating this machine.This manual should stay with this machine if it is sold.
  • Page 3 AE00002 INTRODUCTION Congratulations on your purchase of your new Yamaha. This manual will provide you with a good basic understanding of the operation and main- tenance of this machine. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer.
  • Page 4 A WARNING indicates a hazardous situ- OPERATING THE MACHINE. ation which, if not avoided, could result in death or serious injury. 9 Yamaha continually seeks advance- NOTICE ments in product design and quality. A NOTICE indicates special precau- Therefore, while this manual contains...

  • Page 5: Table Of Contents

    AE00041 CONTENTS PERIODIC MAINTENANCE ....22 LIMITED WARRANTY (EF- AND EDL-SERIES)..........1 MAINTENANCE CHART ....22 LOCATION OF IMPORTANT LABELS ..3 SPARK PLUG INSPECTION .....24 SAFETY INFORMATION ......5 CARBURETOR ADJUSTMENT..25 EXHAUST FUMES ARE ENGINE OIL REPLACEMENT ..25 POISONOUS ........5 MUFFLER SCREEN AND SPARK ARRESTER ........26 FUEL IS HIGHLY FLAMMABLE AND POISONOUS ........5...

  • Page 6: Limited Warranty (Ef- And Edl-Series)

    FOR A PARTICULAR PURPOSE WHICH EXCEED authorized Yamaha consumer generator dealer will, THE OBLIGATIONS AND TIME LIMITS STATED IN free of charge, repair or replace, at Yamaha’s THIS WARRANTY ARE HEREBY DISCLAIMED BY option, any part adjudged defective by Yamaha due YAMAHA MOTOR CORPORATION, U.S.A.
  • Page 7 Corporation, U.S.A. by the selling dealer at the time specified in the Owner’s Manual? of your purchase. If you should move after you have A. No. The warranty on a new Yamaha cannot be purchased your new generator, please advise us of “voided” or “cancelled.”...

  • Page 8: Location Of Important Labels

    AE00062 LOCATION OF IMPORTANT LABELS Please read the following labels carefully before oper- ating this generator. Maintain or replace safety and instruction labels, as necessary. DANGER Using a generator indoors CAN KILL YOU IN MINUTES. Generator exhaust contains carbon monoxide. This is a poison you cannot see or smell.
  • Page 9 Refer to the owner's manual. 7XF-2415A-10 Important Emissions Information The air index of this engine is 3 YAMAHA MOTOR POWERED PRODUCTS CO.,LTD. (California only) This engine meets **** California exhaust and evaporative emission regulations for small off-road engines. This engine conforms to Phase 2 U.S.EPA regulations for...

  • Page 10: Safety Information

    AE00071 SAFETY INFORMATION AE00072 EXHAUST FUMES ARE POISONOUS 9 Never operate the engine in a closed area or it may cause unconsciousness and death within a short 741-112 time. Operate the engine in a well ventilated area. AE00075 FUEL IS HIGHLY FLAMMABLE AND POISONOUS 9 Always turn off the engine when refuelling.

  • Page 11: Electric Shock Prevention

    9 Keep the generator at least 1 m (3 ft) from buildings or other equipment, or the engine may overheat. a 1 m (3 ft) 741-118 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.

  • Page 12: Connection Notes

    9 Connect the ground lead of the generator to the ground terminal and connect the end to the ground electrode buried in the ground. 1 Ground (earth) terminal AE01181 CONNECTION NOTES 9 Avoid connecting the generator to commercial power outlet. 9 Avoid connecting the generator in parallel with any other generator.

  • Page 13: Control Function

    AE00101 CONTROL FUNCTION AE00102 DESCRIPTION 1 Carrying handles (shaded) 2 Fuel level gauge 3 Fuel tank cap 4 Oil filler cap 5 Recoil starter 6 Fuel cock 7 Muffler 793-146 793-147 AE00103 CONTROL PANEL q w e r t y 1 Engine switch 2 Twin Tech (parallel running terminal) 3 DC protector...

  • Page 14: Oil Warning Light (Red)

    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. – 9 –...

  • Page 15: Twin Tech

    FOR PARALLEL RUNNING) This is the terminal for connecting special cables for par- allel running of two EF2400iS. The parallel running requires two EF2400iS and the special cables. (The rated output in parallel running is 3.6 kVA and the rated 763-263 current is 30.0 A.)

  • Page 16: Pre-Operation Check

    Unleaded gasoline Fuel tank capacity: Total: 6.0 L (1.32 Imp gal, 1.59 US gal) Your Yamaha engine has been designed to use regular 707-106 unleaded gasoline with a pump octane number ((R + M)/2) of 86 or higher, or research octane number of 91 or higher.

  • Page 17: Engine Oil

    NOTICE 9 Immediately wipe off spilled fuel with a clean, dry, soft cloth, since fuel may deteriorate paint- ed surfaces or plastic parts. 9 Use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts. AE00222 ENGINE OIL Make sure the engine oil is at the upper level of the oil...

  • Page 18: Operation

    AE00955 OPERATION WARNING 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 venti- lated area. 9 Before starting the engine, do not connect any electric devices.
  • Page 19 4. Pull slowly on the recoil starter until it is engaged, then pull it briskly. 5. After the engine starts, warm up the engine until the engine does not stop when the choke knob is returned to the original position. 704-019 6.

  • Page 20: Application Range

    When using the generator, make sure the total load is within rated output of a generator. Otherwise, generator damage may occur. 0.4–0.75 Power factor 0.8–0.95 (Efficiency 0.85) Rated voltage EF2400iS –2,000W –1,600W –680W Rated current 9 “–” means below. 9 Application wattage indicates when each device is used by itself.

  • Page 21: Connection

    AE01172 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.
  • Page 22 AE00788 Overload indicator light (Red) The overload indicator light (Red) 1 comes on when an overload of a connected electrical device is detect- ed, the inverter control unit overheats, or the AC output voltage rises. The electronic breaker will then activate, 760-029 stopping power generation in order to protect the gen- erator and any connected electric devices.
  • Page 23 763-238a To restart charging the battery, turn the DC pro- tector on by pressing its button to “ON” 1. If the DC protector turns off again, stop charging the battery immediately and consult a Yamaha dealer. 1 “ON” 2 “OFF”...
  • Page 24 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 deter- mine if the battery is fully charged. At full charge, the electrolyte specific gravity is between 1.26 and 1.28.
  • Page 25 WARNING Never smoke or make and break connections at the battery while charging. Sparks may ignite the bat- tery gas. Battery electrolyte is poisonous and dangerous, causing severe burns, etc. contains sulfuric (sul- phuric) acid. Avoid contact with skin, eyes or cloth- ing.

  • Page 26: Stopping The Engine

    AE01173 STOPPING THE ENGINE Turn off any electric devices. 1. Disconnect any electric devices. 761-085 2. Turn the engine switch to “STOP”. 1 5 “STOP” 763-262 3. Turn the fuel cock lever to “OFF”. 2 “OFF” 705-075a – 21 –...

  • Page 27: Periodic Maintenance

    The most impor- tant points of generator inspection, adjustment, and lubrication are explained on the fol- lowing pages. WARNING If you are not familiar with maintenance work, have a Yamaha dealer do it for you. AE00403 MAINTENANCE CHART WARNING Stop the engine before starting maintenance work.
  • Page 28 *1·····Initial replacement of the engine oil is after one month or 20 hours of operation. *2·····The air filter element needs to be cleaned more frequently when using in unusually wet or dusty areas. #····· Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. – 23 –...

  • Page 29: Spark Plug Inspection

    AE01051 SPARK PLUG INSPECTION The spark plug is important engine components, which should be checked periodically. 1. Remove the screws 1 and side cover 2. 788-014 2. Remove the spark plug cap and the spark plug. 3. Check for discoloration and remove the carbon. The porcelain insulator around the center elec- trode of spark plug should be a medium-to-light tan color.

  • Page 30: Carburetor Adjustment

    AE00431 CARBURETOR ADJUSTMENT The carburetor is a vital part of the engine. Adjusting should be left to a Yamaha dealer with the professional knowledge, specialized data, and equipment to do so properly. AE01174 ENGINE OIL REPLACEMENT WARNING Avoid draining the engine oil immediately after stopping the engine.

  • Page 31: Muffler Screen And Spark Arrester

    6. Reinstall the oil drain bolt. Drain Bolt Torque: 17 N•m (1.7 kgf•m, 12 lbf•ft) 7. Add engine oil to the upper level. 1Upper level 700-006a 0°C 25°C Recommended engine oil: å YAMALUBE 4 (10W-40), å YAMALUBE 4 (10W-40) SAE 10W-30 or 10W-40 ∫...
  • Page 32 2. Remove the muffler screen 3 Bolt 711-077 3. Use a flathead screw driver to pry the spark arrester out from the muffler. 711-078 4. Remove the spark arrester 711-079 5. Remove the carbon deposits on the muffler screen and spark arrester using a wire brush. NOTICE When cleaning, use the wire brush lightly to avoid damaging or scratching of the muffler screen and...

  • Page 33: Air Filter

    9. Install the cover. 788-016a E01175 AIR FILTER 1. Remove the screws 1 and remove the cover 2. 788-017 2. Remove the air filter cover 3 and foam element 4. 3. Wash the foam element in solvent and dry. WARNING Never use solvent while smoking or in the vicinity of an open flame.

  • Page 34: Fuel Tank Filter

    NOTICE The engine should never run without the foam ele- ment; excessive piston and cylinder wear may result. 6. Install the air filter cover. 7. Install the cover and tighten the screws. AE00471 FUEL TANK FILTER WARNING Never use the gasoline while smoking or in the vicinity of an open flame.

  • Page 35: Troubleshooting

    AE01176 TROUBLESHOOTING Engine won’t start 1. Fuel systems No fuel supplied to combustion chamber. 2 No fuel in tank ..Supply fuel. 707-106 2 Fuel in tank ..Fuel cock lever to “ON”. 2 Clogged fuel line ..Clean fuel line. 2 Clogged carburetor ..
  • Page 36 Replace or Clean the spark Adjust Gap. plug. Dose not spark Check the following Clean or Replace; Consult O Clogged 9 Fuel line clogging Yamaha dealer. 9 Air cleaner element Consult a Yamaha dealer. clogging. – 31 –...

  • Page 37: Storage

    AE00601 STORAGE Long term storage of your generator will require some preventive procedures to guard against deterioration. AE01177 DRAIN THE FUEL 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.
  • Page 38 6. Remove the screws 1, and then remove the cover 788-014 7. Drain the fuel remaining in the carburetor into an approved container by loosening the drain screw 1 on the carburetor float chamber. 8. Turn the engine switch to “OFF”. 9.

  • Page 39: Engine

    AE00621 ENGINE Perform the following steps to protect the cylinder, pis- ton ring, etc. from corrosion. 1. Remove the spark plug, pour about one table- spoon 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.

  • Page 40: Exhaust Emission Control System And Components

    ROAD ENGINES. The acronyms conform to the latest version of the SAE’s recommended practice docu- ment J1930, “Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic System”. It is recommended that these items be serviced by a Yamaha dealer. – 35 –...

  • Page 41: Specifications

    AE00701 SPECIFICATIONS AE00702 DIMENSIONS Unit EF2400iS Overall Length mm (in) 527 (20.7) Overall Width mm (in) 419 (16.5) Overall Height mm (in) 461 (18.1) Dry Weight kg (lb) 34 (75) AE00704 ENGINE EF2400iS Unit Type Forced air cooled 4-stroke gasoline OHV...

  • Page 42: Wiring Diagram

    AE00751 WIRING DIAGRAM G/Y G/Y 770-054 1 Main coil o Spark plug Color code 2 DC coil p Stepping motor Black 3 Sub coil Brown 4 DC rectifier Green 5 Control unit Blue 6 AC pilot light Orange 7 Twin Tech White (parallel running terminal) 8 AC receptacle...
  • Page 44 PRINTED IN JAPAN 2009.03-1.0×1 ! PRINTED ON RECYCLED PAPER...

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