Yamaha EF5500D Owner'S Manual Download Page 64

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For EF5500D

ENGINE DOES NOT START

Pull the recoil starter and check the spark

plug for spark strength.

(See “WARNING”)

WARNING

To prevent FIRE HAZARDS be sure

fuel is not present in the spark plug

area.

To prevent FIRE HAZARDS be sure

to place the spark plug as far way

as possible from the spark plug

hole and carburetor area.

To prevent ELECTRIC SHOCK do

not hold spark plug lead with hand

while testing.

Does not spark

Turn the engine switch to “

” (ON), then

pull the recoil starter and check if the oil
warning light flickers.

791-001e

Does not flicker

Flickers

Check engine oil level.

Level low

Consult a

Yamaha dealer.

Add engine oil.

Check the spark plug.

Type: BPR4ES (NGK)

Gap: 0.7–0.8 mm (0.028–0.031 in)

Incorrect

Replace or

adjust gap.

Clean the spark
plug.

Consult a Yamaha dealer.

Check the following.

Fuel line clogging

Air filter element clogging

Clogged

Clean or
replace.

Engine does not start.

7P5-F8199-14.indd 59

2021/06/23 11:22:20

Summary of Contents for EF5500D

Page 1: ...tor LIT 19626 02 82 7P5 F8199 14 PRINTED IN CHINA 2021 06 1 E EF5500DE EF5500D OWNER S MANUAL Read this manual carefully before operating your Yamaha generator 7P5 F8199 14_hyoshi indd 1 2 2021 06 23 11 22 56 ...

Page 2: ...Read this manual carefully before operating your Yamaha generator This manual should stay with this generator if it is sold 7P5 F8199 14_hyoshi indd 3 4 2021 06 23 11 22 56 ...

Page 3: ...stions regarding the operation or maintenance of your generator please consult a Yamaha dealer EF5500DE EF5500D OWNER S MANUAL 2021 by Yamaha Motor Corporation U S A 1st Edition June 2021 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation U S A is expressly prohibited Printed in China P N LIT 19626 02 82 7P5 F8199 14 indd 1 2021 06 23 ...

Page 4: ...y information to make procedures easier or clearer WARNING PLEASE READ AND UNDERSTAND THIS MANUAL COMPLETELY BEFORE OPERATING THE GENERATOR TIP 9 Yamaha continually seeks advance ments in product design and quality Therefore while this manual contains the most current product information available at the time of printing there may be minor discrepancies between your generator and this manual If th...

Page 5: ...rth Terminal 27 PRE OPERATION CHECK 28 Pre Operation Check 28 OPERATION 29 Starting The Engine 29 Stopping The Engine 32 Connection 34 Application Range 36 High Altitude Operation 37 PERIODIC MAINTENANCE 38 Maintenance Chart 38 Carburetor Adjustment 40 Spark Plug Inspection 40 Engine Oil Replacement 41 Muffler Screen and Spark Arrester 43 Air Filter 45 Fuel Cock 46 Fuel Tank Filter 47 Battery For ...

Page 6: ...Do not place any obstacles on the generator Exhaust Fumes are Poisonous 9 Using a generator indoors CAN KILL YOU IN MINUTES Generator exhaust contains carbon monoxide This is a poison you cannot see or smell 9 NEVER use inside a home or garage EVEN IF doors and windows are open 9 Only use OUTSIDE and far away from windows doors and vents with engine exhaust directed away from any structures 7P5 F8...

Page 7: ...tops the engine before the surrounding carbon monoxide concentration increases to a dangerous concentration 9 Do not remove or modify the CO SENSOR sys tem 9 Make sure that the CO SENSOR system works correctly 9 The CO SENSOR cannot prevent all danger asso ciated with or caused by carbon monoxide Pay careful attention to the location of the generator 9 If the CO SENSOR stopped the generator relo c...

Page 8: ...s 9 When operating or transporting the generator be sure it is kept upright If it tilts fuel may leak from the carburetor or fuel tank Engine and Muffler May be Hot 9 Place the generator in a place where pedestrians or children are not likely to touch the generator 9 Avoid placing any flammable materials near the exhaust outlet during operation 9 In order to prevent overheating ensure adequate air...

Page 9: ...ock will occur 9 When the connected electric device is grounded earthed always ground earth the generator 9 Connect the ground earth terminal to a ground source In order to prevent electrical shock the generator must be grounded when using a grounded electrical device 1 Ground earth terminal 1 7P5 F8199 14 indd 4 2021 06 23 11 22 10 ...

Page 10: ...ower and allows selection of generator or main line power to the building This will prevent the generator from charging the main power line backfeeding when the main power supply has failed or has been turned off for line repair Backfeeding can electrocute or injure line maintenance personnel Also generator and build ing electrical system damage can occur when nor mal operating power returns if un...

Page 11: ...ry 2 4 OIL 5 DISPLACEMENT 3 6 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 Only use OUTSIDE and far away from windows doors and vents 7C2 F4877 00 1 7 8 1 2 3 4 5 6 7 8 7P5 F8199 14 indd 6 2021 06 23 11 22 11 ...

Page 12: ... Ground earth terminal 6 Battery For EF5500DE 7 Oil filler cap 8 Oil drain bolt 9 Spark plug 0 Fuel cock q Recoil starter handle w Air filter case cover e Choke lever r Muffler EF5500DE 2 7 5 1 1 3 4 8 6 2 5 1 1 3 4 7 8 EF5500D 9 0 q e w r 9 0 q e w r 7P5 F8199 14 indd 7 2021 06 23 11 22 12 ...

Page 13: ... Orange 9 Oil warning light Red 0 WARNING indicator light Red EF5500DE 7 3 4 2 1 5 6 7 9 0 8 Control Panel For EF5500D 1 Economy control switch 2 Engine switch 3 Voltage hour meter 4 G F C I receptacle 5 AC receptacle 6 AC switch N F B 7 ERR Error indicator light Orange 8 Oil warning light Red 9 WARNING indicator light Red EF5500D 6 2 3 1 4 5 6 8 9 7 7P5 F8199 14 indd 8 2021 06 23 11 22 12 ...

Page 14: ...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 TIP If the engine stalls or does not start turn the engine switch to 7 ON and then push the starter switch for EF5500DE or pull the recoil starter If the oil warn ing light flickers for a few seconds the engine oil is insufficient A...

Page 15: ...light Red 2 ERR Error indicator light Orange WARNING indicator light Red If the CO SENSOR detects a high carbon monoxide concentration the engine will stop and the WARNING indicator light will flash for approximately 5 minutes WARNING Continuous use of the generator in areas with high concentrations of carbon monoxide can cause serious health hazards due to carbon monoxide poisoning If you are in ...

Page 16: ...tor near devices that emit carbon monoxide such as other generators WARNING 9 Do not operate the generator in an enclosed or partly enclosed area such as a garage 9 Do not enclose or cover the generator with boards or a tent even if it is outside and away from of a building While this indicator light is flashing and the CO SENSOR is activated the engine cannot be restarted for approximately 5 minu...

Page 17: ... period and storage period are also in the useful service life of the CO SENSOR 9 The lithium battery adopted on this sensor con tains perchlorate a toxic substance controlled in perchlorate Best Management Practices BMP regulations passed by the California legislature When you discard the lithium battery in California USA please follow the related regulations in advance Perchlorate material speci...

Page 18: ...roughly ventilate the location where the generator had stopped 9 If the CO SENSOR system is malfunctioning it cannot warn you of potential high concentra tions of carbon monoxide Move the generator to a well ventilated location and consult a Yamaha dealer 9 While the CO SENSOR is activated the engine cannot be restarted for approximately 5 min utes Relocate the generator and address symptoms of ca...

Page 19: ...off again consult a Yamaha dealer Fuel Tank Cap Remove the fuel tank cap by turning it counterclock wise 7DF 106 1 2 2 Fuel Cock Lever The fuel cock supplies fuel from the fuel tank to the carburetor The fuel cock has two positions 1 ON With the lever in this position fuel flows to the carbure tor Normal using is done with the lever in this position 2 OFF With the lever in this position fuel will ...

Page 20: ...trol unit controls the engine speed according to the connected load The results are better fuel consumption and less noise 2 3 OFF When the economy control switch is turned to 3 OFF the engine runs at the rated r min 3600 r min regardless of whether there is a load connected or not TIP 9 The economy control switch must be turned to 3 OFF when using electric devices that require a large starting cu...

Page 21: ...Recoil starter handle NOTICE 9 Grasp the carrying handle firmly to prevent the generator from falling over when pulling the recoil starter 9 Pull the recoil starter handle straight out Pulling at an angle could damage the recoil starter rope or other generator parts 9 Do not allow the starter handle and rope to snap back after starting return it gently to its original place Letting go of the handl...

Page 22: ...rupter shuts off power to the protected receptacles if a ground fault electrical leak is detected If the reset button pops out the electric devices con nected into the receptacle may be faulty If this hap pens check the electric devices carefully If the electric devices appears to be in good condition press the reset button firmly until a click is heard This will restore power If the reset button ...

Page 23: ... Flange bolt 2 Engine hanger 3 Carrier frame Tightening torque 16 N m 1 6 kgf m 12 lb ft 2 Install the damper and plate into the stopper and tightly fasten it to carrier frame with the bolt 4 Damper 5 Plate 6 Stopper 7 Bolt 6 16 mm Flange bolt Tightening torque 7 N m 0 7 kgf m 5 2 lb ft 000 000 1 2 3 1 000 000 000 000 4 5 6 000 000 7 7P5 F8199 14 indd 18 2021 06 23 11 22 13 ...

Page 24: ... r Bolt 8 45 mm Flange bolt t Plate 3 Insert the bolt into the carrier frame and then put the washer collar and lock lever in this order and tighten the nut TIP 9 Make sure that the collar is placed into the washer 9 Lock lever pin should be above stopper 8 Nut 8 mm Flange nut Self locking nut 9 Lock lever 0 Collar q Washer Plastic w Bolt 8 60 mm Flange bolt e Stopper Tightening torque 16 N m 1 6 ...

Page 25: ...f m 12 lb ft 5 Install the sleeve on the generator frame TIP Refer to the illustration to be sure that the sleeve is installed properly y Sleeve u Generator frame 6 Install the bracket handle to the sleeve i Bracket handle 7 Install the locating damper on the sleeve o Locating damper 000 000 p a 000 000 s s 000 000 000 000 y u 000 000 y i 000 000 y o 7P5 F8199 14 indd 20 2021 06 23 11 22 14 ...

Page 26: ...er ator frame as viewed when looking at the control panel with the bolts and nuts d Bolt 8 16 mm Flange bolt f Main stand g Nut 8 mm Flange nut Tightening torque 16 N m 1 6 kgf m 12 lb ft 12 Install the wheels into wheel axle frame TIP Make sure the installation direction of the wheels are correct d f g g g g f d 7P5 F8199 14 indd 21 2021 06 23 11 22 14 ...

Page 27: ... k 15 Fasten the wheel axle frame to the generator frame with the bolts and nuts Make sure that the wheel axle frame is on the right side of the control panel l Bolt 8 16 mm Flange bolt Wheel axle frame z Nut 8 mm Flange nut Tightening torque 16 N m 1 6 kgf m 12 lb ft TIP Refer to the illustration and confirm the position of the wheel kit 7P5 F8199 14 indd 22 2021 06 23 11 22 15 ...

Page 28: ...r explosion 9 After adding fuel make sure the fuel tank cap is tightened securely 1 Stop the engine 2 Place the generator on a level surface 3 Remove the fuel tank cap 4 Check the fuel level 5 If low fill the tank with fuel 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 lea...

Page 29: ...l tank filter 3 Fuel level gauge 3 4 F Full 5 E Empty Recommended fuel Unleaded gasoline Fuel tank capacity Total 26 L 6 87 US gal 5 72 Imp gal Your Yamaha engine has been designed to use regu lar unleaded gasoline with a pump octane number R M 2 of 86 or higher or research octane number of 91 or higher 4 5 7DK 093 7P5 F8199 14 indd 24 2021 06 23 11 22 15 ...

Page 30: ...il brand YAMALUBE Available oil grade API SE type or higher JASO MA or MB Available viscosity index 10W 30 or 10W 40 Engine oil quantity 1 1 L 1 16 US qt 37 2 oz NOTICE The generator was shipped from the factory with out engine oil Do not start the engine for the first time until the oil level has been checked and oil added if necessary 7P5 F8199 14 indd 25 2021 06 23 11 22 16 ...

Page 31: ...e electrolyte or to add distilled water 1 2 3 4 5 2 Place the battery on the battery mount tray 1 Battery 2 Battery mount tray 3 Install the battery mounting rods and battery mounting plate and then install and tighten the wing nuts 3 Battery mounting rod 4 Wing nut 5 Battery mounting plate 8 6 7 4 Connect the positive lead Red to the positive battery terminal 6 Screw 7 Positive lead Red 8 Positiv...

Page 32: ... insulate the connector by folding it back on itself and carefully wrapping it with electri cal tape to prevent electrical contact with ground earth or any other leads 9 Remove the battery leads from the generator w Connector e Battery lead r Electrical tape 5 Connect the negative lead Black to the negative battery terminal 9 Screw 0 Negative lead Black q Negative battery terminal 1 Ground Earth T...

Page 33: ...P Pre operation checks should be made each time the generator is used Pre Operation Check Fuel See page 23 9 Check fuel level in fuel tank 9 Refuel if necessary Fuel Line 9 Check fuel hose for crack or damage 9 Replace if necessary Engine Oil See page 25 9 Check oil level in engine 9 If necessary add recommended oil to specified level 9 Check generator for oil leakage Abnormal Running Conditions 9...

Page 34: ...e receptacle before use NOTICE The generator was shipped from the factory with out engine oil Do not start the engine for the first time until the oil level has been checked and oil added if necessary Starting The Engine 1 Turn the AC switch N F B and economy control switch to 3 OFF 1 3 OFF å AC switch N F B Economy control switch 705 037 2 3 1 B 2 Turn the fuel cock lever to ON 2 ON 3 Turn the en...

Page 35: ... the starter switch to start the engine 5 Starter switch NOTICE 9 Take your hand off the switch immediately after the engine starts 9 If the engine fails to start release the switch wait a few seconds then try again Each attempt should be as short as possible to pre serve the battery Do not crank the engine more than 5 seconds on any one attempt 7P5 F8199 14 indd 30 2021 06 23 11 22 17 ...

Page 36: ...the starter handle and rope to snap back after starting return it gently to its original place Letting go of the handle while the starter rope is extended will allow the recoil starter to rewind rapidly which can cause damage to the generator 9 Grasp the carrying handle firmly to prevent the generator from falling over when pulling the recoil starter TIP Soon after the purchase or after draining t...

Page 37: ... 7 After the engine starts warm up the engine until the engine does not stop when the choke lever is returned to the original position 6 Original position Stopping The Engine TIP After the engine is stopped the engine cannot be restarted for approximately 15 seconds 1 Turn off any electric devices 2 Turn the AC switch N F B and economy control switch to 3 OFF 1 3 OFF å AC switch N F B Economy cont...

Page 38: ... 33 705 038d 3 3 5 Turn the fuel cock lever to OFF 3 OFF 2 4 Turn the engine switch to 5 STOP 2 5 STOP 3 Disconnect any electric devices 7P5 F8199 14 indd 33 2021 06 23 11 22 17 ...

Page 39: ...ent TIP 9 Make sure to ground earth the generator When the electric device is grounded be sure to ground the generator too 9 The power output lead of the portable generator stator winding is insulated from the frame and ground pin of the AC receptacles Therefore an electric device that requires ground ing through the AC receptacle when plugged in to one of the output leads might not operate correc...

Page 40: ... increase engine speed to rated r min when using a load of 0 8 A or less supplying AC 120 V only from W with X 5 Turn the individual AC switch N F B to I ON 4 I ON å Individual AC switch N F B for AC receptacle 4 A 4 4 B 240V 120V 120V GR W X G Y AC 120 V and 240 V can be used 3 C 3 A 3 3 B 4 Turn the AC switch N F B and economy control switch to I ON and turn on any electric devices 3 I ON å AC 1...

Page 41: ...ge Equipment Wattage Chain saw 1000 1800 Space heater 1500 Circular saw 1200 1600 Hot plate 1200 Sanders 250 1500 Crock pot 1200 Router 100 1500 Television 250 Leaf blower 1000 1400 Lights 250 Shop vacuum 700 1400 Fan 100 Drill depends on size 250 1200 String trimmer 600 1100 Paint sprayer 500 1000 Miter saw 500 1000 Hedge clippers 300 1000 Planer 300 900 TIP 9 means below 9 Application wattage in...

Page 42: ... engine does not interfere with any other electrical devices located near the generator 9 If the generator is to supply medical equipment advice should first be obtained from the equipment manufacturer a medical professional or hospi tal 9 Some electrical appliances or general purpose electric motors have high starting currents that may exceed the total capacity of your Yamaha genera tor Consult t...

Page 43: ...CE Use only Yamaha specified genuine parts for replacement Ask an authorized Yamaha dealer for further attention Item Routine Pre operation check Every 6 months or 100 Hr 12 months or 300 Hr Spark plug Check condition Clean and replace if necessary ü Fuel Check fuel level and leakage ü Fuel hose Check fuel hose for cracks or damage Replace if necessary ü Engine oil Check oil level in engine ü Repl...

Page 44: ...s or 100 Hr 12 months or 300 Hr Fuel strainer Clean and replace if necessary ü Crankcase breather hose Check breather hose for cracks or damage Replace if necessary ü Cylinder head Decarbonize cylinder head More frequently if necessary After every 500 Hrs Valve clearance Check and adjust when engine is cold Idle speed Check and adjust idle speed Recoil starter Check recoil starter for damage Fitti...

Page 45: ...IP The spark plug gap should be measured with a wire thickness gauge and if necessary adjusted to specifi cation 4 Install the spark plug Spark plug tightening torque 20 N m 2 0 kgf m 15 lb ft TIP If a torque wrench is not available when installing a spark plug a good estimate of the correct torque is 1 4 1 2 turn past finger tight However the spark plug should be tightened to the specified torque...

Page 46: ... an oil pan under the engine Remove the oil drain bolt so that the oil can be completely drained TIP When dispose of the used engine oil always comply with the local laws or regulations to protect the envi ronment 4 Check the oil drain bolt oil filler cap and O ring Replace them if damaged 1 Oil drain bolt 2 Gasket 3 O ring 4 Oil filler cap 5 Install a new gasket and the oil drain bolt and then ti...

Page 47: ...se 5 Correct level Recommended engine oil Recommended oil brand YAMALUBE Available oil grade API SE type or higher JASO MA or MB Available viscosity index 10W 30 or 10W 40 Engine oil quantity 1 1 L 1 16 US qt 37 2 oz 7 Install the oil filler cap 700 006a 5 7P5 F8199 14 indd 42 2021 06 23 11 22 18 ...

Page 48: ...pection or repair 1 Remove the muffler cover bolts and then remove the muffler cover 1 Muffler cover bolt 2 Muffler cover 1 1 2 6 2 Loosen the muffler cap bolt and then remove the muffler cap and muffler screen 3 Muffler cap 4 Muffler screen 5 Muffler cap bolt 4 5 3 3 Use a flathead screw driver to pry the spark arrester out from the muffler 4 Remove the spark arrester 6 Spark arrester 7P5 F8199 1...

Page 49: ...b ft 9 Install the muffler cover and then tighten the muf fler cover bolts Muffler cover bolt tightening torque 12 N m 1 2 kgf m 8 9 lb ft 711 022 711 050 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 spark arrester 6 Check the muffler screen and spar...

Page 50: ... should be wet but not dripping Recommended oil Foam air filter oil or engine oil See page 42 NOTICE Do not wring out the foam element when squeez ing it This could cause it to tear 5 Insert the foam element into the air filter case TIP Be sure the foam element sealing surface matches the air filter case so there is no air leak NOTICE The engine should never run without the foam ele ment excessive...

Page 51: ...FF 3 Remove the fuel cock cup gasket and fuel strain er 4 Clean the cup and fuel strainer with gasoline and wipe it off 5 Check the gasket Replace it if damaged 6 Install the fuel strainer gasket and fuel cock cup WARNING Be sure the fuel cock cup is tightened securely 1 Fuel cock cup 2 Gasket 3 Fuel strainer 7P5 F8199 14 indd 46 2021 06 23 11 22 19 ...

Page 52: ... 1 Remove the fuel tank cap and fuel tank filter 1 Fuel tank cap 2 Fuel tank filter 2 Clean the fuel tank filter with gasoline Replace it if damaged 3 Wipe the fuel tank filter and insert it 4 Install the fuel tank cap WARNING Be sure the fuel tank cap is tightened securely 7P5 F8199 14 indd 47 2021 06 23 11 22 19 ...

Page 53: ... and dangerous since it contains sulfuric acid which causes severe burns Avoid any contact with skin eyes or clothing and always shield your eyes when working near batteries In case of contact administer the following FIRST AID 9 EXTERNAL Flush with plenty of water 9 INTERNAL Drink large quantities of water or milk and immediately call a physician 9 EYES Flush with water for 15 minutes and seek pr...

Page 54: ...re the engine switch is turned to 5 STOP to prevent accidental short circuiting 1 Remove the control panel screws and then remove the control panel 1 Control panel screw 2 Replace the blown fuse with one of proper amper age Specified fuse 20 A TIP If the fuse immediately blows again consult a Yamaha dealer 1 1 7P5 F8199 14 indd 49 2021 06 23 11 22 19 ...

Page 55: ... I reset button position after test G F C I receptacle operation 3 Pop out Correct 4 Stay in Incorrect 4 If G F C I operation is correct push in the reset button If the G F C I operates incorrectly consult a Yamaha dealer WARNING Do not operate the generator with a faulty G F C I circuit Electric shock could occur Have the gener ator repaired by a qualified mechanic 7P5 F8199 14 indd 50 2021 06 23...

Page 56: ...ighly flammable and poisonous Check SAFETY INFORMATION See page 3 carefully NOTICE Immediately wipe off spilled fuel with a clean dry soft cloth since fuel may deteriorate painted sur faces or plastic parts 3 Turn the engine switch to 7 ON 2 7 ON 4 Turn the fuel cock lever to ON 3 ON 5 Start the engine and leave it run until it stops The engine stops in approximately 20 minutes time by running out...

Page 57: ...rburetor float chamber 4 Drain screw 7 Tighten the drain screw 8 Turn the engine switch to 5 STOP 9 Turn the fuel cock lever to OFF 10 Tighten further if any screws bolts and nuts are loose 11 Store the generator in a dry well ventilated place with the cover placed over it 4 7P5 F8199 14 indd 52 2021 06 23 11 22 20 ...

Page 58: ...arter until you feel compression Then stop pulling This prevents the cylinder and valves from rusting 3 Clean exterior of the generator and apply a rust inhibitor NOTICE Do not spray any organic solvent on the CO SENSOR 4 Store the generator in a dry well ventilated place with the cover placed over it NOTICE Do not use a plastic cover as a dust cover Rust and corrosion will occur since a non porou...

Page 59: ... 0 C 32 F or more than 30 C 86 F WARNING 9 Disconnect the negative lead Black first then the positive lead Red from the battery 9 Connect the positive lead Red first then the negative lead Black to the battery when installing the battery NOTICE 9 Do not disconnect the battery during engine operation 9 Avoid operating the generator with the battery removed 7P5 F8199 14 indd 54 2021 06 23 11 22 20 ...

Page 60: ...k Clean fuel cock 2 Clogged carburetor Clean carburetor 2 Engine oil system Insufficient 2 Oil level is low Add engine oil 3 Electrical systems 2 Engine switch to 7 ON 1 7 ON 1 Poor spark 2 Spark plug dirty with carbon or wet Remove carbon or wipe spark plug dry 2 Faulty ignition system Consult a Yamaha deal er Generator Won t Produce Power 2 Safety device AC switch to 3 OFF Turn the AC switch N F...

Page 61: ... CO SENSOR WARNING indicator light and the CO SENSOR ERR Error indicator light do not flash 5 times or either one does not flash 5 times Starts During operation During operation the CO SENSOR WARNING indicator light flashes for approximately 5 minutes Runs During operation the CO SENSOR ERR Error indicator light comes on for approxi mately 5 minutes Runs For any other abnormal operating conditions...

Page 62: ...rength See WARNING WARNING 9 To prevent FIRE HAZARDS be sure fuel is not present in the spark plug area 9 To prevent FIRE HAZARDS be sure to place the spark plug as far way as possible from the spark plug hole and carburetor area 9 To prevent ELECTRIC SHOCK do not hold spark plug lead with hand while testing OK Does not spark Consult a Yamaha dealer Check the following 9 Fuel line clogging 9 Air f...

Page 63: ...maha dealer Check engine oil level OK Level low Consult a Yamaha dealer Add engine oil Check the spark plug 9 Type BPR4ES NGK 9 Gap 0 7 0 8 mm 0 028 0 031 in Incorrect OK Replace or adjust gap Clean the spark plug 7P5 F8199 14 indd 58 2021 06 23 11 22 20 ...

Page 64: ...ug lead with hand while testing OK Does not spark Turn the engine switch to 7 ON then pull the recoil starter and check if the oil warning light flickers 791 001e Does not flicker Flickers Check engine oil level OK Level low Consult a Yamaha dealer Add engine oil Check the spark plug 9 Type BPR4ES NGK 9 Gap 0 7 0 8 mm 0 028 0 031 in Incorrect OK Replace or adjust gap Clean the spark plug Consult a...

Page 65: ...1 1 1 16 37 2 Ignition system TCI Spark plug Type BPR4ES NGK Gap mm in 0 7 0 8 0 028 0 031 Noise level dB LWA 99 4 dB A 7 m 74 1 Noise level is measured when the economy control switch is turned to I ON LWA shows the sound power level under the ISO3744 satisfied test conditions The noise level in dB A 7 m is the arithmetic mean value in four directions measured 7 meters away from each side of the ...

Page 66: ...is stolen Generator Identification The generator serial number is stamped in the location as shown 1 Generator serial number TIP The first three digits of these numbers are for model identification the remaining dig its are the unit production number Keep a record of these numbers for reference when ordering parts from a Yamaha dealer PRI I D NUMBER PRI I D CODE SERIAL No MODEL 1 CONSUMER INFORMAT...

Page 67: ...K The above items and the corresponding acronyms are provided in accordance with U S EPA REGULATIONS FOR NEW NONROAD SPARK IGNITION NONHANDHELD ENGINES and the CALIFORNIA REGULATIONS FOR 1995 AND LATER SMALL OFF 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 r...

Page 68: ...White R W Red White o Economy control switch p Starter relay a Starter motor s Carburetor solenoid valve d Battery f Charging coil g TCI unit h Spark plug j Oil level switch k CO SENSOR l WARNING indicator light Red ERR Error indicator light Orange W R B B G Y L G Y L G Y L W R R R W R G R B W G Y Br L W Y G G R W Y L R W Y O O O G Y B W Y B W G R R Br R Y R W G G G G G B W O R B L G G G L R L W L...

Page 69: ... Solenoid valve y Economy control switch u Carburetor solenoid valve i Charging coil o Spark plug p TCI unit a Oil level switch s CO SENSOR d WARNING indicator light Red f ERR Error indicator light Orange Br R Br R R Br G Y R Br G Y G Y Br G Y R Br L O G G Y B W G G G Y L W G G Br R B L B B W Y G Y G G G B W Y B W Y G O O Y L Y L W O G R G Y L W B W B L R L R L B Y R O B B Br P G Y G R B Y R O B B...

Page 70: ...ction can be 9 There are no out of pocket expenses for covered repairs Yamaha will never ask you to pay a deductible 9 Nationwide coverage Y E S coverage is honored at any authorized Yamaha Outdoor Power Equipment Service dealer 9 Y E S coverage is transferable to a new owner if you sell or trade in That can make you Yamaha much more valuable This excellent Y E S plan coverage is only available to...

Page 71: ...Read this manual carefully before operating your Yamaha generator This manual should stay with this generator if it is sold 7P5 F8199 14_hyoshi indd 3 4 2021 06 23 11 22 56 ...

Page 72: ...tor LIT 19626 02 82 7P5 F8199 14 PRINTED IN CHINA 2021 06 1 E EF5500DE EF5500D OWNER S MANUAL Read this manual carefully before operating your Yamaha generator 7P5 F8199 14_hyoshi indd 1 2 2021 06 23 11 22 56 ...

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