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Yamaha EF2400iS - page 1
Generator LIT-19626-01-23 7CF-28199-10 PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 05 9 02 – 0.4 × 1 ! EF2400iS O WNER’S MANU AL 7CF-9-10 hyoshi 2/15/05 3:01 PM Page 1 ...
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Yamaha EF2400iS - page 2
7CF-9-10 hyoshi 2/15/05 3:01 PM Page 2 ...
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Yamaha EF2400iS - page 3
AE00012 IDENTIFICA TION NUMBER RECORDS Record your Primary I.D ., and serial num- bers in the spaces provided, to assist y ou in ordering spare par ts from a Y amaha dealer . Also record and keep these I.D . numbers in a separate place in case your machine is stolen. AE00002 INTRODUCTION Congratulations on y our purchase of your ne w Y amaha. This ...
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Yamaha EF2400iS - page 4
NO TE: 9 Y amaha continually seeks advance- ments in product design and quality . Theref ore, while this manual contains the most current product inf or mation av ailable at the time of printing, there ma y be minor discrepancies between your engine and this man ual. If there is any question concerning this manual, please consult your Y amaha deale ...
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Yamaha EF2400iS - page 5
AE00041 CONTENTS LIMITED W ARRANTY (EF- AND EDL-SERIES) ..........................................1 LOCA TION OF IMPOR T ANT LABELS ..3 SAFETY INFORMA TION ........................5 EXHA UST FUMES ARE POISONOUS .......................................5 FUEL IS HIGHL Y FLAMMABLE AND POISONOUS .......................................5 ENGINE AND MUFFLE ...
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Yamaha EF2400iS - page 6
– 1 – AE01120 Y AMAHA MO TOR CORPORA TION U.S.A. EF- AND EDL-SERIES GENERA T OR LIMITED W ARRANTY Y amaha Motor Corporation, U.S .A. hereb y warrants that new Y amaha consumer generators purchased from an authorized Y amaha consumer generator dealer in the continental United States will be free from defects in material and workmanship f or the ...
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Yamaha EF2400iS - page 7
– 2 – W ARRANTY QUESTIONS AND ANSWERS Q. What costs are my responsibility during the warranty period? A. The customer’ s responsibility includes all costs of normal maintenance ser vice, non-w arranty repairs, accident damages, as w ell as oil and spark plugs. Q. What are some examples of “abnor mal” strain, neglect, or abuse? A. These te ...
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Yamaha EF2400iS - page 8
– 3 – AE00062 LOCA TION OF IMPORT ANT LABELS Please read the f ollowing labels carefully bef ore oper- ating this machine. NO TE: Maintain or replace saf ety and instr uction labels , as necessar y . 4 3 1 2 792-063 3 4 792-064 7CF-9-10-a 3/9/05 9:21 AM Page 3 ...
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Yamaha EF2400iS - page 9
– 4 – 12 4 3 WARNING READ THE OWNER ’ S MANUAL AND ALL LABELS BEFORE OPERATING. q q AVERTISSEMENT 8 ONLY OPERATE IN WELL-VENTILATED AREAS. EXHAUST GAS CONTAINS POISONOUS CARBON MONOXIDE. CHECK FOR SPILLED FUEL OR FUEL LEAKS. STOP ENGINE BEFORE REFUELING. DO NOT OPERATE NEAR FLAMMABLE MATERIALS. ELECTROCUTION CAN OCCUR IF GENERATOR IS USED IN ...
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Yamaha EF2400iS - page 10
– 5 – 741-112 741-113 741-114 741-115 741-116 741-117 AE00071 SAFETY INFORMA TION AE00072 EXHA UST FUMES ARE POISONOUS 9 Ne ver operate the engine in a closed area or it ma y cause unconsciousness and death within a shor t time. Operate the engine in a well v entilated area. AE00075 FUEL IS HIGHL Y FLAMMABLE AND POISONOUS 9 Alwa ys turn off the ...
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Yamaha EF2400iS - page 11
– 6 – 741-118 a 9 K eep the machine at least 1 m (3 ft) from buildings or other equipment, or the engine ma y overheat. a 1 m (3 ft) 741-119 9 A void oper ating the engine with a dust cover . 1 741-124 9 Be sure to carr y the gener ator only by its carrying handle(s). 1 Carrying handle(s) (shaded) 741-120 AE00083 ELECTRIC SHOCK PREVENTION 9 Ne ...
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Yamaha EF2400iS - page 12
– 7 – Ground (ear th) Lead Diameter : 0.12 mm (0.005 in)/ampere EX; 10 Ampere → 1.2 mm (0.05 in) 1 2 1 741-122 AE01181 CONNECTION NO TES 9 A void connecting the generator to commercial power outlet. 1 Correct 2 Incorrect AE00091 CONNECTION w Before the generator can be connected to a b uild- ing ’ s electrical system, a licensed electrician ...
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Yamaha EF2400iS - page 13
– 8 – AE00101 CONTROL FUNCTION 5 6 23 4 11 793-146 1 1 2 3 7 793-147 q we r o i u t y 793-148 AE00103 CONTROL P ANEL 1 Engine switch 2 T win T ech (parallel r unning terminal) 3 DC protector 4 Oil warning light 5 AC pilot light 6 Overload indicator light 7 AC receptacle 8 DC receptacle 9 Ground (Ear th) terminal AE00102 DESCRIPTION 1 Carrying h ...
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Yamaha EF2400iS - page 14
– 9 – 700-121 763-259 q w AE00111 OIL W ARNING SYSTEM When the oil lev el falls below the lo wer le vel, the engine stops automatically . Unless you refill with oil, the engine will not star t again. NO TE: If the engine stalls or does not star t, turn the engine s witch to “ ON ” position and then pull the recoil starter. If the oil warnin ...
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Yamaha EF2400iS - page 15
– 10 – 741-123 707-033c q 707-106 707-037 707-107 AE00845 PRE-OPERA TION CHECK NO TE: Pre-operation chec ks should be made each time the generator is used. w The engine and muffler will be very hot after the engine has been run. A void touc hing the engine and muffler while they are still hot with any part of your bod y or clothing during inspe ...
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Yamaha EF2400iS - page 16
– 11 – 700-128 741-126 700-103c q 700-065 0°C 25°C 80°F 32°F A YAMALUBE 4(10W-30) D SAE 10W C SAE #20 B SAE #30 700-006 AE00222 ENGINE OIL Make sure the engine oil is at the upper le vel of the oil filler hole. Add oil as necessar y . 1 Upper lev el NO TE: Recommended engine oil classification: API Ser vice “ SE ” or “ SF ” . c C Th ...
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Yamaha EF2400iS - page 17
– 12 – 700-006a a 761-085 705-075 1 AE00955 OPERA TION NO TE: The generator has been shipped without engine oil. Fill with oil or it will not star t. 1 Upper lev el AE01171 ST AR TING THE ENGINE NO TE: 9 Bef ore star ting the engine, do not connect an y electric devices . 1. T urn the fuel cock lev er to the “ ON ” position. 1 “ ON ” 2. ...
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Yamaha EF2400iS - page 18
– 13 – 4. Pull slowly on the recoil starter until it is engaged, then pull it briskly . 5. After the engine star ts , warm up the engine until the engine does not stop when the choke knob is returned to the or iginal position. 6. Push the chok e knob back to the original position. NO TE: When star ting the engine in areas where the ambient temp ...
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Yamaha EF2400iS - page 19
– 14 – AE01180 APPLICA TION RANGE AC DC P ower f actor 1 0.8 – 0.95 0.4 – 0.75 (Efficiency 0.85) EF2400iS – 2,000W – 1,600W – 680W Rated voltage 12V Rated current 8A NO TE: 9 “–” means below . 9 Application wattage indicates when each de vice is used by itself . 9 The ov erload indicator light 1 comes on when total wattage e xce ...
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Yamaha EF2400iS - page 20
– 15 – 761-086 761-085a q 760-030 AE01172 CONNECTION Alternating Current (A C) c C 9 Be sure all electric devices inc luding the lines and plug connections are in good condition before connection to the generator . 9 Be sure any electric de vices are turned off before plug ging it in. 9 Be sure the total load is within generator rated output. 9 ...
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Yamaha EF2400iS - page 21
– 16 – q 760-029 AE00788 Overload indicator light The ov erload indicator light 1 comes on when an over- load of a connected electrical device is detected, the inv er ter control unit o verheats, or the A C output voltage rises. The electronic breaker will then activate , stopping power gener ation in order to protect the generator and any conn ...
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Yamaha EF2400iS - page 22
– 17 – 761-086a 762-046 1 2 12v 762-047 763-238a q w AE00904 Battery Charging c C Do not use A C and DC power at the same time or the generator may be damaged. NO TE: The generator DC rated v oltage is 12V . 1. Wind the battery charging lead 2 or 3 tur ns around the handle and plug into DC receptacle. NO TE: 9 Make connections to the battery af ...
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Yamaha EF2400iS - page 23
– 18 – w Never smoke or make and break connections at the battery while charging. Sparks may ignite the bat- tery gas. Battery electrolyte is poisonous and danger ous, causing severe b urns, etc. contains sulfuric (sul- phuric) acid. Av oid contact with skin, eyes or cloth- ing. Antidote: EXTERNAL-Flush with water . INTERNAL-Drink large quantit ...
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Yamaha EF2400iS - page 24
– 19 – 761-085 763-262 q 705-075a 2 AE01173 ST OPPING THE ENGINE NO TE: 9 T urn off any electric devices. 1. Disconnect any electric de vices. 2. T ur n the engine s witch to the “ 5 ” (ST OP) position. 1 5 “ ST OP ” 3. T ur n the fuel cock le ver to “ OFF ” . 2 “ OFF ” 7CF-9-10-a 3/9/05 9:21 AM Page 19 ...
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Yamaha EF2400iS - page 25
– 20 – No . Item Remarks Pre-Ope- ration check (daily) Initial Every 1 month or 20 Hr 3 months or 50 Hr 6 months or 100 Hr 12 months or 300 Hr Check condition. 1. ** Adjust gap and 0 Spark Plug clean. Replace if necessary . ** Check and adjust 2.* V alve Clearance when engine is 0 cold. Check breather ** hose for cr acks or 0 3.* Crankcase dama ...
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Yamaha EF2400iS - page 26
– 21 – * : It is recommended that these items be ser viced b y a Y amaha dealer . ** : Related to emission control system. c C Use only Y amaha specified genuine parts for replacement. Ask an authorized Y amaha dealer f or fur ther attention. Clean fuel tank 8. Fuel Filter filter . Replace if 0 necessary . Check fuel hose 9. Fuel Line for cr ac ...
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Yamaha EF2400iS - page 27
– 22 – 788-014 1 1 2 760-031 a 760-001a AE01051 SP ARK PLUG INSPECTION Y ou should per iodically remo ve and inspect the spark plug. 1. Loosen the bolt 1 and remov e the side cover 2 . 2. Remov e the spar k plug cap and the spark plug. 3. Chec k for discoloration and remo ve the carbon. 4. Chec k the spar k plug type and gap . a Gap 5. Install ...
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Yamaha EF2400iS - page 28
– 23 – 700-133 3 3 6 4 700-006a q AE01174 ENGINE OIL REPLA CEMENT 1. Place the machine on a le vel surf ace and warm up the engine f or sev eral minutes . Then stop the engine. 2. Remov e the r ubber cap 1 on the bottom. 3. Place an oil pan under the engine . Remov e the drain bolt 2 . 4. Open the oil filler cov er 3 as shown and remov e the oi ...
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Yamaha EF2400iS - page 29
– 24 – 741-123 788-016 1 711-077 3 2 AE01028 MUFFLER SCREEN AND SP ARK ARRESTER w The engine and muffler will be very hot after the engine has been run. A void touc hing the engine and muffler while they are still hot with any part of your bod y or clothing during inspection or repair . 1. Remov e the cover 1 2. Remov e the muffler screen. 2 Mu ...
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Yamaha EF2400iS - page 30
– 25 – 6. Chec k the muffler screen and spark arrester . Replace them if damaged. 7. Install the spark arrester . NO TE: Align the spark arrester projection with the hole in the muffler pipe. 1 Projection 2 Hole 8. Install the muffler screen. 9. Install the cov er . 711-080 q w 711-081 788-016a 711-079 q 711-075 4. Remov e the spar k arrester . ...
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Yamaha EF2400iS - page 31
– 26 – c C Do not wring out the element. This could cause it to tear . 5. Inser t the element into the air filter . NO TE: Be sure the element sealing surf ace matches the air fil- ter so there is no air leak. c C The engine should never run without the element; excessive piston and cylinder wear ma y result. w Never use solvent while smoking o ...
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Yamaha EF2400iS - page 32
– 27 – 707-108 q AE00471 FUEL T ANK FIL TER 1. Remov e the fuel tank cap and filter. 1 Filter 2. Clean the filter with solv ent. If damaged, replace. 3. Wipe the filter and inser t it. w Be sure the tank cap is tightened securely . 7CF-9-10-b 3/9/05 10:35 AM Page 27 ...
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Yamaha EF2400iS - page 33
– 28 – 707-106 705-075b 700-006 763-261a 760-009 AE01176 TROUBLESHOO TING Engine won’t start 1. Fuel systems No fuel supplied to combustion chamber . 2 No fuel in tank .... Supply fuel. 2. Engine oil system Insufficient 2 Oil le vel is low .... Add engine oil. 3. Electrical systems 2 Engine s witch to “ ON ” . P oor spar k 2 Spark plug di ...
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Yamaha EF2400iS - page 34
– 29 – PO K O Clogged Engine does not star t. C Does not flicker D Flick ers. B AE00515 A ENGINE DOES NO T ST ART T ur n the engine s witch to “ ON ” , then pull the recoil star ter and chec k if the oil warining light flick ers. H Pull the recoil star ter and chec k the spark plug for spark strength. (See “ W ARNING ” ) w 9 T o prevent ...
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Yamaha EF2400iS - page 35
– 30 – 707-109 1 712-030 AE00601 ST ORA GE Long term storage of your machine will require some pre ventiv e procedures to guard against deterioration. AE01177 DRAIN THE FUEL 1. Remov e the fuel tank cap. Drain the fuel from the fuel tank into an approv ed gasoline container using a commercially av ailable hand siphon. Then, install the fuel tan ...
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Yamaha EF2400iS - page 36
– 31 – AE00789 EXHA UST EMISSION CONTROL SYSTEM AND COMPONENTS Item Acron ym 9 CARB. ASSY ., LH. & JT ., .......................CARB (Carburetor) CARBURET OR2 9 T .C.I. MA GNET O ASSY . & ....................EI (Electronic Ignition) PLUG, SP ARK 9 CRANKCASE1 & HEAD , .......................PCV (P ositive Crankcase CYLINDER1 V entila ...
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Yamaha EF2400iS - page 37
– 32 – Unit EF2400iS T ype Forced air cooled 4-strok e gasoline OHV Cylinder Arrangement Inclined, 1 cylinder Displacement cm 3 171 Bore × Stroke mm (in) 66.0 × 50.0 (2.60 × 1.97) Rated Output kW(HP)/r/min 2.5 (3.4)/3,200 Operation Hours at rated oper ation Hr 8.6 Fuel Unleaded gasoline Fuel T ank Capacity L (Imp gal, US gal) 6.0 (1.32, 1.59 ...
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Yamaha EF2400iS - page 38
– 33 – – 33 – Y W W W W W W W Y Y Y Y Y G O Y L R Y B/W O O B/W R R L L L L G G O O O O O O O B/W O Y Y Y Y Y L L O O O O L L G/Y G/Y G/Y G/Y G/Y Y B/W Y B/W B/W R R Br Br B BW B O B/W R R Br Br R Br R Br B W B/W G/Y G/Y B/W L L q e w r @0 !9 !6 !7 !5 u !3 !2 !8 !4 !1 !0 o i y t 770-054 AE00751 WIRING DIA GRAM 1 Main coil 2 DC coil 3 Sub co ...
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Yamaha EF2400iS - page 39
Generator LIT-19626-01-23 7CF-28199-10 PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 05 9 02 – 0.4 × 1 ! EF2400iS O WNER’S MANU AL 7CF-9-10 hyoshi 2/15/05 3:01 PM Page 1 ...
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Yamaha EF2400iS - page 40
CUST OMER W ARRANTY REGISTRA TION D A TE SOLD MODEL MACHINE SERIAL NUMBER IMPORT ANT!: 9 Please complete and mail this f or m. It will help ensure that Y amaha has accurately registered y our purchase for w arranty . 9 Manuf acturers are required to maintain a complete up-to-date list of all first purchasers of products against the possibility of a ...
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Yamaha EF2400iS - page 41
PLA CE ST AMP HERE Y AMAHA MO T OR CORPORA TION U.S.A. P .O . BO X 6555 CYPRESS, CALIFORNIA 90630 A TTN: W ARRANTY DEP ARTMENT WarrantyCard_US 6/29/04 3:05 PM Page 2 ...
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