Yamaha EF2000iS Owner's Manual
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Yamaha EF2000iS Owner's Manual

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Generator
OWNER'S MANUAL
Read this manual carefully before operating this machine.
EF2000iS
LIT-19626-01-68
7DK-28199-11

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  • Page 1 Generator OWNER’S MANUAL Read this manual carefully before operating this machine. EF2000iS LIT-19626-01-68 7DK-28199-11...
  • Page 2 Read this manual carefully before 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 OPERATING THE MACHINE. A WARNING indicates a hazardous situ- ation which, if not avoided, could result in death or serious injury. 9 Yamaha continually seeks advance- NOTICE ments in product design and quality. Therefore, while this manual contains A NOTICE indicates special precau-...

  • Page 5: Table Of Contents

    EXHAUST EMISSION CONTROL Fuel tank cap air vent knob ....11 SYSTEM AND COMPONENTS....41 Fuel cock knob........11 WIRING DIAGRAM .......42 Ground (earth) terminal .....11 YAMAHA MOTOR CORPORATION, Twin Tech ...........11 U.S.A. EF SERIES GENERATORS PREPARATION ........12 3-YEAR LIMITED WARRANTY ....43 Fuel ............12 YAMAHA OUTDOOR POWER Engine oil ...........13...

  • Page 6: Safety Information

    AE00071 SAFETY INFORMATION 9 This generator is not designed for on-board use. Do not use it while installed on the vehicle. 9 Do not modify the generator or use it with its parts removed. 9 Do not allow children to operate the generator. 9 Be sure to carry the generator only by its carrying handle 1.

  • Page 7: Fuel Is Highly Flammable And Poisonous

    AE00075 FUEL IS HIGHLY FLAMMABLE AND POISONOUS 9 Always turn off the engine when refuelling. 9 Never refuel while smoking or in the vicinity of an open flame. 7DK-002 9 Take care not to spill any fuel on the engine or muf- fler when refueling.

  • Page 8: Electric Shock Prevention

    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 AE00083 ELECTRIC SHOCK PREVENTION 9 Never operate the engine in rain or snow.

  • Page 9: Connection Notes

    AE00088 CONNECTION NOTES 9 Avoid connecting the generator to commercial power outlet. 9 Avoid connecting the generator in parallel with any other generator. 1 Correct 2 Incorrect AE00091 CONNECTION WARNING Before the generator can be connected to a build- ing’s electrical system, a licensed electrician must install an isolation (transfer) switch in the build- ing’s main fuse box.

  • Page 10: Location Of Important Labels

    AE00062 LOCATION OF IMPORTANT LABELS Please read the following labels carefully before oper- ating this machine. Maintain or replace safety and instruction labels, as necessary. 7DK-013 7DK-014 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 11 The air index of this engine is 3 EMISSION CONTROL INFORMATION (California only) YAMAHA MOTOR POWERED PRODUCTS CO.,LTD. This engine meets 20** California exhaust and evaporative emission regulations for small off-road engines. THIS ENGINE MEETS U.S. EPA EXH EVP REGS FOR 20**.

  • Page 12: Description

    DESCRIPTION 1 Carrying handle 2 Fuel tank cap air vent knob 3 Fuel tank cap 4 Recoil starter 5 Fuel gauge 6 Muffler 7 Oil filler cap 7DK-015 7DK-016 AE00103 Control panel 1 Oil warning light 2 AC pilot light 3 Overload indicator light 4 Economy control switch (Black)

  • Page 13: Control Function

    AE00101 CONTROL FUNCTION AE00121 Engine switch The engine switch controls the ignition system. 7 “ON” 7DK-018 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 auto-...

  • Page 14: Economy Control Switch

    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”...

  • Page 15: Overload Indicator Light (Red)

    AE01087 Overload indicator light (Red) The overload indicator light 1 comes on when an over- load 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 7DK-021 connected electric devices.

  • Page 16: Fuel Tank Cap Air Vent Knob

    (Terminal for Connecting special cables for parallel running) This is the terminal for connecting special cables for parallel running of two EF2000iS. The parallel running requires two EF2000iS and the special cables. (The rated output in parallel running is 3.0 kVA and the rated 7DK-042a current is 25.0 A.)

  • Page 17: Preparation

    7DK-028 4 “F” Full 5 “E” Empty Your Yamaha engine has been designed to use regular unleaded gasoline with a pump octane number ((R + M)/2) of 86 or higher, or research octane number of 91 or higher. 7DK-093 – 12 –...

  • Page 18: Engine Oil

    AE00222 Engine oil NOTICE The generator has been shipped without engine oil. Do not start the engine until you have filled it with the sufficient engine oil. 1. Place the generator on a level surface. 2. Remove the screws 1, and then remove the cover 7DK-030 3.

  • Page 19: Pre-Operation Check

    9 Check oil level in engine. 9 If necessary, add recommended oil to specified level. 9 Check generator for oil leakage. The point where abnormality was recognized by 9 Check operation. 9 If necessary, consult a Yamaha dealer. – 14 –...

  • Page 20: Operation

    AE00846 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 21 4. Turn the engine switch (Red) to “ON” 1. 1 7 “ON” 7DK-039 5. Pull the choke knob 1 fully out. 1 Choke knob The choke is not required to start a warm engine. Push the choke knob in to the original position. 7DK-040 6.

  • Page 22: Stopping The Engine

    AE01025 Stopping the engine Turn off any electric devices. 1. Turn the economy control switch (Black) to “OFF” 1 3 “OFF” 7DK-034 2. Disconnect any electric devices. 7DK-047 3. Turn the engine switch (Red) to “STOP” 1. 1 5 “STOP” 7DK-044 4.

  • Page 23: Connection

    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.

  • Page 24: Battery Charging

    Battery charging NOTICE Do not connect a VRLA (Valve Regulated Lead Acid) battery. To charge a VRLA battery, a special (constant-voltage) battery charger is required. 9 The generator DC rated voltage is 12V. 9 Start the engine first, and then connect the gener- ator to the battery for charging.
  • Page 25 To restart charging the battery, turn the DC pro- tector on by pressing its button to “ON”. If the DC protector turns off again, stop charging the battery immediately and consult a Yamaha dealer. 1 “ON” 2 “OFF” 9 Follow instructions in the owner’s manual for the 7DK-052 battery to determine the end of battery charging.
  • Page 26 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 27: Operating Range Of Dc Power Supply

    Operating range of DC power supply (exclusively for charging 12V battery) This power source is designed to charge batteries up to 40Ah that are half-discharged. Do not charge batteries of a higher capacity than 40Ah. 12V battery The time required for recharging a battery varies depending on the discharge level of the battery.

  • Page 28: 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 EF2000iS –1,600W –1,280W –544W Rated current 9 “–” means below. 9 Application wattage indicates when each device is used by itself.

  • Page 29: 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 30 *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. – 25 –...

  • Page 31: Spark Plug Inspection

    Spark plug inspection The spark plug is an important engine component, which should be checked periodically. 1. Remove the screws 1, and then remove the cover 7DK-030 2. Remove the spark plug cap 3 and cap 4, and insert the tool 5 through the hole from the outside of the cover.

  • Page 32: Carburetor Adjustment

    8. Install the cover and tighten the screws. 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. AE00412...
  • Page 33 4. Place an oil pan under the engine. Tilt the genera- tor to drain the oil completely. 5. Place the generator on a level surface. NOTICE Do not tilt the generator when adding engine oil. 7DK-055 This could result in overfilling and damage to the engine.

  • Page 34: Air Filter

    AE01084 Air filter 1. Remove the screws 1, and then remove the cover 7DK-030 2. Remove the screw 1 and then remove the air filter case cover 2. 7DK-061 3. Remove the foam element 1. 4. Wash the foam element in solvent and dry it. 5.

  • Page 35: Muffler Screen And Spark Arrester

    AE01075 Muffler screen and spark arrester WARNING The engine and muffler will be very hot after the engine has been run. 7DK-026 Avoid touching the engine and muffler while they are still hot with any part of your body or clothing during inspection or repair.
  • Page 36 3. 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 711-075 spark arrester. 4. Check the muffler screen and spark arrester. Replace them if damaged.

  • Page 37: Fuel Tank Filter

    AE00471 Fuel tank filter WARNING 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. Replace it if damaged. 3. Wipe the filter and install it. 4.

  • Page 38: Storage

    AE00601 STORAGE Long term storage of your machine will require some preventive procedures to guard against deterioration. AE01056 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 39 6. Remove the screws 1, and then remove the cover 7DK-030 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.

  • Page 40: Engine

    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 41: Troubleshooting

    AE00512 TROUBLESHOOTING Engine won’t start 1. Fuel systems No fuel supplied to combustion chamber. 2 No fuel in tank ..Supply fuel. 7DK-091 2 Fuel in tank ..Fuel tank cap air vent knob and fuel cock knob to “ON” 1. 2 Clogged fuel line ..
  • Page 42 7DK-041 Poor spark 2 Spark plug dirty with carbon or wet ..Remove car- bon or wipe spark plug dry. 2 Faulty ignition system ..Consult a Yamaha dealer. 791-001d AE00515 Generator won’t produce power 2 Safety device (DC protector) to “OFF” 2 ···· Press the DC protector to “ON”...
  • Page 43 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. – 38 –...

  • Page 44: Specifications

    AE00701 SPECIFICATIONS AE00702 Dimensions Unit EF2000iS Overall Length mm (in) 490 (13.3) Overall Width mm (in) 280 (11.0) Overall Height mm (in) 455 (17.9) Dry Weight kg (lb) 20 (44) AE00704 Engine Unit EF2000iS Type Air cooled 4-stroke gasoline OHV...

  • Page 45: Consumer Information

    Record your Primary I.D., and serial num- MODEL bers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer. Also record and keep these I.D. numbers in PRI-I.D. a separate place in case your machine is CODE SERIAL No.

  • Page 46: 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. – 41 –...

  • Page 47: Wiring Diagram

    AE00751 WIRING DIAGRAM 7DK-10 1 Sub coil p Oil level gauge Color code 2 DC coil Black 3 Main coil Brown 4 DC rectifier Green 5 DC protector (breaker) Gray 6 Twin Tech (parallel Blue running terminal) Orange 7 DC receptacle 8 AC pilot light White 9 AC receptacle...

  • Page 48: Yamaha Motor Corporation

    Yamaha generator service dealer will, All 1995 and Later EF Models free of charge, repair or replace, at Yamaha’s Two (2) years from the original purchase date option, any part judged defective by Yamaha due to faulty workmanship or material from the factory.
  • Page 49 TIAL DAMAGES, SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE. YAMAHA MOTOR CORPORATION, U.S.A. Post Office Box 6555 Cypress, California 90630 – 44 –...
  • Page 50 Yamaha Motor exactly as specified in the Owner’s Manual? Corporation, U.S.A. by the selling dealer at the A. No. The warranty on a new Yamaha cannot time of your purchase. If you should move after be “voided” or “cancelled.”...

  • Page 51: Yamaha Outdoor Power

    If any evaporative emission- coverage, you should contact Yamaha Customer related part on your equipment is defective, the Relations at 1-800-962-7926. part will be repaired or replaced by Yamaha. YAMAHA MOTOR CORPORATION, USA Post Office Box 6555 Cypress, California 90630...

  • Page 52: Yamaha Motor Corporation

    Yamaha recommends that you retain all receipts covering maintenance on your SORE engine, but Yamaha cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
  • Page 53 instructions required by subsection (d) must be warranted for the warranty period defined in Subsection (b)(2). If any such part fails during the period of warranty coverage, it must be repaired or replaced by the manufacturer according to Subsection (4) below. Any such part repaired or replaced under the warranty must be warranted for the remaining warranty period.
  • Page 54 This work must be done at an authorized Yamaha dealer. Give notice to an authorized Yamaha dealer of any apparent defects(s) within a reasonable period of time after discovery. The SORE engine must be made available for inspection by an authorized Yamaha dealer.
  • Page 55 This warranty does not cover damage resulting from accidents, acts of nature, or other events or occur- rences beyond the control of Yamaha. Yamaha Motor Corporation, U.S.A. expressly disclaims responsi- bility for any and all consequential damages, such as loss of time, inconvenience, loss or use of the SORE engine, or commercial loss.

  • Page 56: Yamaha Extended Service (Y.e.s.)

    9 Y.E.S. is flexible. You can choose the plan that’s right for you: 12 months, 24 months or 36 months coverage. 9 Y.E.S. is administered by the same Yamaha people that handle your warranty - and it shows in the comprehensive coverage benefits. There are no hour limitations and Y.E.S. covers manufacturing defects just like your warranty.
  • Page 57 — MEMO —...
  • Page 58 — MEMO —...
  • Page 60 PRINTED IN JAPAN 2011.05-2.5×1 ! PRINTED ON RECYCLED PAPER...

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