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Item # GEN4000 Portable Gasoline Generator  

 

 

 

21 

TROUBLESHOOTING 

 

IMPORTANT:

 If trouble persists, 

call our customer help line at 

1-866-460-9436

, Monday - Friday, 8 AM - 4 PM Central Time.

 

 

Symptom 

Cause 

Solution 

Engine will not start. 

Engine switch is set to "off." 

Set engine switch to "on." 

Fuel valve is turned to "closed." 

Turn fuel valve to "open." 

Choke is set to “Open/Run”. 

Set the choke to “Closed/Choke” 

Engine is out of gasoline. 

Add gasoline. 

Engine is filled with contaminated and/or old 
gasoline. 

Drain gasoline from the engine and add new 
gasoline. 

Spark plug is dirty. 

Clean spark plug. 

Spark plug boot is cracked. 

Replace spark plug.  

Spark plug is broken. 

Replace spark plug. 

Oil is low. 

The oil level should almost OVERFLOW. If it is 
not, add more oil. 

Engine will not start. 

Spark plugs not sparking. 

Verify that you have spark. Pull spark plug cap 
off spark plug. Take spark plug out using spark 
plug wrench. Put spark plug back into boot and 

hold it onto bare metal. Make sure the on/off 
switch is in the ON position. Pull the starter. 

You should see a spark. 

Engine will not start. 

Carburetor is gummed up. 

If the generator has been sitting for a long time, 
it is possible that it is gummed up. Remove air 

box cover, then remove the air filter. Remove 
the two 10mm nuts that hold the carburetor. Lift 
up on the throttle linkage on the top of the 

carburetor. It should pop off. Pull the fuel line 
off. The carburetor will slide off. Turn the 
carburetor upside down and remove the 10mm 

bolt on the bottom of the bowl. Remove the pin 
that holds the float on. Pull the float up. Inspect 

the float needle, and make sure the orifice is 
not gummed up. Remove the rubber gasket, 
then clean the orifice if it is dirty. Use carb 

cleaner. Do not spray carb cleaner on the float 
needle or any rubber.   

Engine will not start. 

Gas is not getting to carburetor. 

Make sure gas is getting to the carburetor. 

Remove the carburetor and turn the drain 
screw counter clockwise. Don’t remove 
completely. 

Engine will not start. 

Two wires on the back of the switch may be  
disconnected. 

Make sure two wires on the back of the switch 
are connected. 

Engine runs but there is no electrical output. 

Reset button is "off." 

Push reset button to "on." 

Bad connecting wires/cables. 

Try a different extension cord. 

Bad electrical device connected to generator. 

Disconnect device, try connecting another 
device. 

Generator is overloaded. 

Reduce draw on generator to within this 

generator's rated wattage by reducing number 
of connected electrical devices. 

Generator starts but won’t stay running 

Choke is in “Closed/Choke” position, or gas is 

empty. 

Make sure that after it is started, move the 

Choke to the “Open/Run” position. Make sure 
at least one inch of gas is in the tank. 

Generator runs but does not support all 

connected electrical devices. 

Short in one of the connected devices. 

Disconnect any faulty or short-circuited 

electrical loads. 

Air filter is dirty. 

Clean or replace air filter. 

 
 

  
  

Содержание GEN4000

Страница 1: ...change this product at any time without prior notice IF THERE IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE DO NOT OPERATE THIS PRODUCT HAVE QUESTIONS OR PROBLEMS CONTACT CUSTOMER SERVICE If...

Страница 2: ...llon Fuel Type Unleaded Gasoline Only 87 rating or higher 3 600 RPM Mobility Kit Available Separately If you are using a generator above sea level the generator may not function properly because of ai...

Страница 3: ...nerator 13 Step 1 Verify Oil Level 13 Step 2 Verify Gas Level 13 Step 3 Ground The Generator 13 STARTING THE GENERATOR 14 USING THE GENERATOR 15 AC Usage 15 DC Usage 16 STOPPING THE GENERATOR 17 MAINT...

Страница 4: ...come to the owner to make the warranty repair or pay for the repair to be made at a local non authorized service center The provisions of this paragraph apply only for the contiguous states excluding...

Страница 5: ...r into any electric outlet in your home Doing so could create a connection to the utility company power lines You are responsible for ensuring that your generator s electricity does not feed back into...

Страница 6: ...cap Loosen the cap slowly to relieve pressure in the fuel tank Avoid spilling fuel Do not fill the fuel tank above the upper limit line Gasoline may expand during operation Do not fill to the top of...

Страница 7: ...Item GEN4000 Portable Gasoline Generator 7...

Страница 8: ...Item GEN4000 Portable Gasoline Generator 8 In addition to the previously described safety information familiarize yourself with all safety and hazard placards on this generator...

Страница 9: ...ems are supplied with this Generator Verify that all items are included STOP If there are missing items call 1 866 460 9436 Monday Friday 8 AM 4 PM Central Time for customer service Item List DC conne...

Страница 10: ...r Cover 7 Recoil Starter 8 AC Circuit Protector 9 Engine Switch 10 120 Volt AC Outlet 11 DC Circuit Protector 12 12 Volt DC Outlet 13 Grounding Terminal 14 120 Volt RV Outlet 15 Voltmeter GENERATOR CO...

Страница 11: ...GENERATOR WILL NOT START DOUBLE CHECK THAT THE OIL LEVEL IS COMPLETELY FULL AND ALMOST OVERFLOWING This generator requires engine oil to function Engine oil is a major factor affecting engine perform...

Страница 12: ...expand do not fill the fuel tank to the very top 4 Securely tighten the fuel tank cap and immediately wipe up any spilled gasoline with a dry cloth Fuel Tank Capacity gallons 3 6 Fuel Type Fresh Unlea...

Страница 13: ...f 87 or higher according to Step 2 Add Gasoline of the Using this Generator for the First Time section of this manual Fuel Tank Capacity gallons 3 6 Fuel Type Fresh Unleaded Gasoline Octane Rating 87...

Страница 14: ...t Then pull briskly to start the engine Gently return the cord into the generator to avoid damage to the starter or housing Never allow the cord to snap back 7 If the engine fails to start repeat step...

Страница 15: ...ted wattage for the generator This generator can run at its surge wattage capacity for only a short time Connect electrical devices requiring a rated running wattage equal to or less than the rated wa...

Страница 16: ...Allow the engine to run for several minutes after it has been started 2 Confirm that the electrical device is switched off prior to plugging it into this generator 4 Turn on the connected electrical d...

Страница 17: ...to the schedule in Figure 7 Never perform maintenance procedures while this generator is running Allow this generator to cool before commencing any maintenance procedures Keep heat sparks and flame a...

Страница 18: ...nged after the first 20 hours of operation Subsequently the oil should be changed every 6 months or for every 100 hours of use or when the oil has become contaminated with water and or dirt To drain t...

Страница 19: ...install a new spark plug A F7RTC spark plug such as NGK BPR7ES is recommended 4 Measure the spark plug electrode gap with a gauge The gap should be 0 020 0 028in 0 5 0 7mm See Figure 9 5 If re using t...

Страница 20: ...tenance Care section Turn the fuel valve to the off position Disconnect the spark plug Do not obstruct any ventilation openings Do not drop or strike this generator while moving it Store this generato...

Страница 21: ...ll the fuel line off The carburetor will slide off Turn the carburetor upside down and remove the 10mm bolt on the bottom of the bowl Remove the pin that holds the float on Pull the float up Inspect t...

Страница 22: ...f it is too high or too low adjust the governor screw which is located above the pull start on the green metal shroud WARNING DO NOT ADJUST THE GOVERNOR SCREW WITHOUT USING A VOLTMETER ONLY ATTEMPT TH...

Страница 23: ...Item GEN4000 Portable Gasoline Generator 23 PARTS DIAGRAM...

Страница 24: ...Item GEN4000 Portable Gasoline Generator 24...

Страница 25: ...Item GEN4000 Portable Gasoline Generator 25...

Страница 26: ...Item GEN4000 Portable Gasoline Generator 26...

Страница 27: ...Item GEN4000 Portable Gasoline Generator 27...

Страница 28: ...Item GEN4000 Portable Gasoline Generator 28...

Страница 29: ...aintenance As the small off road engine owner you should however be aware that Buffalo Corp may deny you warranty coverage if your small off road engine or a part has failed due to abuse neglect or im...

Страница 30: ...pproved replacement parts that do not increase the exhaust or evaporative emissions of the engine or evaporative emission control system must be used in the performance of any warranty maintenance or...

Страница 31: ...agms 11 Control Cables 12 Control Linkages 13 Purge Valves 14 Gaskets 15 Liquid Vapor Separator 16 Carbon Canister 17 Canister Mounting Brackets 18 Carburetor Purge Port Connector Note As they relate...

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