Yamaha EF2600A Owner's Manual
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Generator
OWNER'S MANUAL
EF2600A
EF4600A
EF6600A
LIT-19626-00-84
7UU-28199-10

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Summary of Contents for Yamaha EF2600A

  • Page 1 Generator OWNER’S MANUAL EF2600A EF4600A EF6600A LIT-19626-00-84 7UU-28199-10...
  • Page 2 G-000 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.
  • Page 3 PLEASE READ AND UNDERSTAND THIS MANUAL COMPLETELY BEFORE OPERATING THE MACHINE. NOTE: Particularly important information is 9 Yamaha continually seeks advance- distinguished in this manual by the fol- lowing notations. ments in product design and quali- ty. Therefore, while this manual...
  • Page 4: Table Of Contents

    DIMENSIONS ........29 OIL WARNING SYSTEM ....9 ENGINE ..........29 ENGINE SWITCH.......9 GENERATOR ........29 AC SWITCH (N.F.B.) ......9 WIRING DIAGRAM G.F.C.I. SOCKET ......10 EF2600A ...........30 PRE-OPERATION CHECK ....11 EF4600A ...........31 FUEL..........11 EF6600A ...........32 ENGINE OIL ........12 GROUND (Earth) ......12 OPERATION ........13 STARTING THE ENGINE....13 APPLICATION RANGE ....14...
  • Page 5: Limited Warranty (Ef- And Edl-Series)

    YAMAHA MOTOR CORPORATION, U.S.A. EF- AND EDL-SERIES GENERATOR LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby 2. Give notice to an authorized Yamaha con- warrants that Yamaha consumer sumer generator dealer of any and all generators purchased from an authorized apparent defects within ten (10) days after...
  • Page 6 If you shoud move after you have Owner’s Manual? purchased your new generator, please advice A. No. The warranty on a new Yamaha can- us of your new address by sending a postcard not be “voided” or “cancelled.” listing your Yamaha model name, engine However, if a particular failure is caused number, dealer number (or dealer’s name) as...
  • Page 7: Location Of Important Labels

    THIS ENGINE MEETS zzzz-zzzz CALIFORNIA EMISSION REGULATIONS FOR SMALL OFF-ROAD ENGINES. FUEL: THIS ENGINE IS CERTIFIED TO OPERATE ON UNLEADED GASOLINE. THIS ENGINE CONFORMS TO zzzz(zzzzzzzzzz) U.S.EPA REGULATIONS FOR SMALL NONROAD ENGINES. 2179R SAE 10W-30 TYPE YAMAHA MOTOR CO. LTD zzz- ENGINE OIL: – 3 –...
  • Page 8: Safety Information

    *G-380 SAFETY INFORMATION G-381 EXHAUST FUMES ARE POISONOUS 9 Never operate the engine in a closed area or it may cause unconsciousness and death within 741-002 a short time. Operate the engine in a well ven- tilated area. G-382 FUEL IS HIGHLY FLAMMABLE AND POISONOUS 9 Always turn off the engine when refuelling.
  • Page 9: Electric Shock Prevention

    9 Keep the machine at least 1 m (3 ft) from build- ings or other equipment, or the engine may overheat. 1 1 m (3ft) 741-008 9 Avoid operating the engine with a dust cover. 741-009 9 When carrying the machine, be sure to hold its carrying handles.
  • Page 10: Connection Notes

    Ground (earth) Lead Diameter: 0.12 mm (0.005 in)/ampere 10 Ampere → 1.2 mm (0.05 in) G-385 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 G-440 CONNECTION...
  • Page 11: Control Function

    EF2600A G-050 CONTROL FUNCTION G-051 DESCRIPTION 1 Fuel tank 2 Fuel tank cap 3 Fuel cock 4 Air filter cover 5 Spark plug 6 Muffler 7 Choke lever 8 Ground (Earth) terminal 9 Oil filler cap 0 Oil drain plug...
  • Page 12: Control Box

    CONTROL BOX EF2600A 1 Engine switch 2 AC switch (N.F.B.) 3 AC socket AC SW 4 G.F.C.I. socket 7UU-40 EF4600A AC SW GFCI 120V 120V 120/240V 240V 7UV-40 EF6600A AC SW GFCI 120V 120V 120/240V 240V 7UW-40 763-108c – 8 –...
  • Page 13: Oil Warning System

    763-095 “ON” 1 “OFF” Reduce the load to the specified generator rated output if the AC switch (N.F.B.) turns off. If it turns off again, consult a Yamaha dealer. 763-086c* – 9 –...
  • Page 14: G.f.c.i. Socket

    120V B Supplies AC120V and 240V 240V 763-116 Reduce the load to within specified generator rated output if the AC switch (N.F.B.) turns off. If it turns off again, consult a Yamaha dealer. 120V G-19302 240V G.F.C.I. SOCKET 763-117 (for EF4600A/EF6600A) The G.F.C.I.
  • Page 15: Pre-Operation Check

    EF4600A/EF6600A 6.7 L (1.47 Imp gal, 1.77 US gal) 707-041 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.
  • Page 16: Engine Oil

    B SAE #30 C SAE #20 D SAE 10W 700-087 Engine oil quantity: 0°C 25°C EF2600A 0.6 L (0.53 lmp qt, 0.63 US qt) A YAMALUBE 4(10W-30) EF4600A/EF6600A 1.1 L (0.97 lmp qt, 1.16 US qt) D SAE 10W C SAE #20...
  • Page 17: Operation

    763-086d* 9 Turn the AC switch (N.F.B.) to “OFF” position. “OFF” 120V A AC switch (N.F.B) for EF2600A B AC switch (N.F.B) for EF4600A/EF6600A 240V 763-118 1. Turn the fuel cock lever to the “ON” position. 1 “ON”...
  • Page 18: Application Range

    6. Turn the choke lever back to the operating position. 1 Operating position 701-025 G-43101 APPLICATION RANGE 0.4 ~ 0.75 Power factor 0.8 ~ 0.95 (Efficiency 0.85) EF2600A ~ 2,300W ~ 1,840W ~ 780W EF4600A ~ 4,000W ~ 3,200W ~ 1.360W EF6600A ~ 5,700W...
  • Page 19: Connection

    C for EF4600A/EF6600A 763-095 AC 120V and 240V can be used. Reduce the load to the specified generator rated output if the AC switch turns off. 120V If it turns off again, consult a Yamaha dealer. 240V 763-116a 120V 240V 763-117...
  • Page 20: Stopping The Engine

    A-48513 STOPPING THE ENGINE NOTE: 9 Turn off the electric apparatus. 9 Turn the AC switch (N.F.B.) to the “OFF” position. 763-086d* “OFF” A for EF2600A B for EF4600A/EF6600A 120V 240V 763-118 1. Disconnect the electric apparatus. 761-027** 2. Turn the engine switch to the “OFF” position.
  • Page 21: Periodic Maintenance

    Clean/ replace if necessary. Check oil level Engine Oil Replace Clean. Air Filter Replace if necessary. : It is recommended that these items be serviced by a Yamaha dealer. : Related to emission control system. – 17 –...
  • Page 22 15.* Fasteners Correct if necessary. : It is recommended that these items be serviced by a Yamaha dealer. : Related to emission control system. Use only Yamaha specified genuine parts for replacement. Ask an authorized Yamaha dealer for further attention.
  • Page 23: Spark Plug Inspection

    20 Nm (2 m•kg, 14 ft•lb) G-512 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. – 19 –...
  • Page 24: Engine Oil Replacement

    700-006* B SAE #30 C SAE #20 0°C 25°C D SAE 10W A YAMALUBE 4(10W-30) Engine oil quantity: EF2600A D SAE 10W C SAE #20 B SAE #30 0.6 L (0.53 Imp qt, 0.63 US qt) EF4600A/EF6600A 32°F 80°F 1.1 L (0.97 lmp qt, 1.16 US qt)
  • Page 25: Air Filter

    G-581 AIR FILTER 1. Remove the air filter cover and element. 2. Wash the element in solvent and dry. 3. Oil the element and squeeze out excess oil. The element should be wet but not dripping. Recommended oil: Foam-air-filter oil SAE #20 motor oil Do not wring out the element.
  • Page 26: Fuel Cock

    G-60002 FUEL COCK Never use or be near the fuel and solvent while smoking or in the vicinity of an open flame. 1. Stop the engine: 2. Turn the fuel cock lever to “OFF”. 3. Remove the fuel cock cup and gasket. 4.
  • Page 27: Muffler Screen And Spark Arrester

    Avoid touching the engine and muffler while they are still hot with any part of your body or clothing 741-001 during inspection or repair. 1. Remove the muffler screen. 1 Muffler screen (only for EF2600A) 2 Screw A for EF2600A 711-020a* B for EF4600A/EF6600A 2.
  • Page 28: G.f.c.i. Socket Test

    1 Projection 711-0*** 2 Hole A for EF2600A B for EF4600A/EF6600A 7. Install the muffler screen. (only for EF2600A) 711-020a** G-69601 G.F.C.I. SOCKET TEST (for EF4600A/EF6600A) 1. Start the engine. 2. Turn the AC switch (N.F.B.) to the “ON” posi- tion.
  • Page 29: Troubleshooting

    *G-650 TROUBLESHOOTING G-65102 Engine won’t start 1. Fuel systems No fuel supplied to combustion chamber. 707-041 2 No fuel in tank ..Supply fuel. 2 Clogged fuel line ..Clean fuel line. 2 Foreign matter in fuel cock ..Clean fuel cock. 2 Clogged carburetor ..
  • Page 30 Engine does not Engine starts. start. Check the following Clean or Replace; Consult a O Clogged 9 Fuel cock clogging Yamaha dealer. 9 Air cleaner element Consult a Yamaha dealer. clogging. – 26 –...
  • Page 31: Storage

    G-700 STORAGE Long term storage of your machine will require some preventive procedures to guard against dete- rioration. G-70102 DRAIN THE FUEL 1. Drain the fuel tank, fuel cock, and carburetor float bowl: a Carburetor drain plug 2. Pour a cup of SAE 10W30 or 20W40 motor oil into the tank.
  • Page 32 LAWN AND GARDEN EQUIPMENT ENGINES. The acronyms conform to the latest version of the SAE’s recommended practice document J1930, “Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic System”. It is recommended that these items be serviced by a Yamaha dealer. – 28 –...
  • Page 33: Specifications

    G-730 SPECIFICATIONS G-73101 DIMENSIONS Unit EF2600A EF4600A EF6600A Overall Length mm (in) 510 (20.1) 670 (26.4) 670 (26.4) Overall Width mm (in) 415 (16.3) 510 (20.1) 510 (20.1) Overall Height mm (in) 466 (18.3) 531 (20.9) 531 (20.9) Dry Weight kg (lb) 39 (86.0)
  • Page 34: Wiring Diagram

    G-800 WIRING DIAGRAM EF2600A Generater ass‘y Control box 1 Rotor assembly Color code 2 Stator assembly Black 3 AC receptacle Brown 4 AC switch (N.F.B.) Green 5 Engine switch Blue 6 Condenser 7 Oil level switch Green/Yellow 8 Oil warning unit Black/White 9 T.C.I.
  • Page 35: Ef4600A

    EF4600A Control box Generater ass‘y 1 Rotor assembly Color code 2 Stator assembly Black 3 Main coil Brown 4 Sub coil Green 5 N.F.B Gray 6 AC receptacle Blue 7 GFCI receptacle 8 AC receptacle White 9 Engine switch Black/White 0 Condenser Green/Yellow q Oil warning unit...
  • Page 36: Ef6600A

    EF6600A Control box Generater ass‘y G G G G 1 Rotor assembly 2 Stator assembly Color code 3 Main coil Black 4 Sub coil Brown 5 Exciter coil Green 6 N.F.B Gray 7 GFCI receptacle Blue 8 AC receptacle 9 AC receptacle White 0 Engine switch Black/White...
  • Page 37 PRINTED IN JAPAN 12 – 0.4 ´ 2 PRINTED ON RECYCLED PAPER...

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Ef4600aEf6600a

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