Question about Mtd 22" Yard Machine Push Mower

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The engine started then few minutes later died after cleaning the carburator,float bowl assy, air filter .and fuel lines re assembled the engine and fuel is leaking from air filter and primer

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If fuel is leaking from the primer and air filter sounds like the fuel metering needle operated by the carb float may be stuck or gummed up causing it to flood the carb check this and make sure that it is working properly and not sticking. Spray the jet orifice with a little carb cleaner and carefully wipe off the needle with some fresh gasoline NOT carb cleaner. carb cleaner will melt the rubber tip on the needle....hope this helps ... ;-D

Posted on Jul 21, 2010

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You may need to also thoroughly clean the small holes in the brass bolt that holds the carb bowl on...holes at botttom and across the middle where there are no threads. Don't use anything that will enlarge these holes as this bolt is also the main jet of the carburetor.

Posted on Jul 13, 2010

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1 Answer

Murray mower starts with choke but dies


most likely your main jet in the carb is clogged, water in fuel, or a plugged fuel line, filter, or plugged in the tank where the fuel line connects. it is common to have a plug where the fuel line exits the fuel tank if there is a 90 degree turn in the fitting, debris may build up in the 90 degree area. check by replacing old fuel with new, then pull fuel line from carb and fuel should flow freely, look for a blocked fuel line if it does not flow. it it does flow, pinch off fuel line then remove the float bowl to drain remaining gas and give acess to the main jet. the main jet is located in the side or bottom of the lowest protruding area into the float bowl. run a thin wire like a guitar string thru the small jet hole to unplug, then squirt a little wd-40 thru jet hole to visually check flow. next, unpinch fuel line and fuel should flow from carb into float bowl area. then check to make sure the fuel stops flowing when the float is gently lifted to the top of its travel. if problem in this area, remove float pin, float, and needle valve and check for blockage in the needle valve seat. clean out with wd-40 and reassemble, add fresh gas and give it a try!

Aug 20, 2012 | Briggs & Stratton Garden

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I have a 19.5 HP Lawn Tractor. This problem Im having is on going . It starts right up . Runs for about 10 seconds then dies . It will not start again untill it sits for awhile only to do it again . I have...


A classic case of low feul flow.

You have debris in the float bowl of the engine or a sticking float. Remove the float bowl and clean the bowl nut holes and the JET in the very bottom of the carb throat.

Check the fuel flow to the needle and seat assy on the top of the float by turning on the fuel and checking to see that as you gently raise the float it shuts off and as you lower it that it flows freely.

Unless you have a clogged fuel tank exit hole or fuel line this should get your going again.

Kelly

Apr 09, 2010 | Garden

1 Answer

Engine startsa and runs for two minutes and quits


Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

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1 Answer

Engine sputters while using power equipment


Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

Nov 22, 2009 | Dewalt Electrical Supplies

1 Answer

Oh318 (tecumseh) Runs for a few minutes then cuts off. Starting fluid makes it run for a few sec. then it cuts off again. replaced whole bowl assembly. Cleaned carb in carb cleaner. Blew it out. Checked...


Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

Nov 21, 2009 | Tecumseh Horizontal Tiller Engine 8 Hp, 1"...

2 Answers

I have a sears lawnmower that was flooded recently. I bought a tune up kit and installed it. I changed the gas and oil also. when I poured in the gas it all came out the air filter. What should I check...


carburator float is stuck in the open position allowing fuel to continiously run / drain out the fuel tank into the carb and then overflow into the venturi of the carb into the engine and out the air filter. Bottom line the carb needs to be disassembled cleaned and rebuilt

Sep 20, 2009 | Craftsman Garden

1 Answer

My 13hp honda generator won't run.I have cleaned the fuel bowl,new plug,air cleaner,evan removed air cleaner assembly off side of engine,I can get it to start,after much cranking,but it will not run for...


You cleaned the fuel bowl? Was there any dirt, etc, in it? How does the fuel line look? How about the bottom of the fuel tank? How old is the fuel?

From your description, it 'sounds' like a fuel system problem. If it's a Honda EU3000is, it has Electronic Ignition, and electronic ignition usually just goes out all the way, not slowly.

The fuel line is small, and easily obstructed. Does fuel flow when the fuel line is removed from the carburetor? After the generator starts, runs, then dies, remove the float bowl. How much gas is present?

Observe the float. See if it's in good repair.
Check the float needle. See if the rubber (Neoprene) tip is squished, or is still in good shape.
Could be that when gas fills the float bowl, the float raises, then gets stuck in the up position, cutting off the gas flow.

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4 Answers

Mower starts up great and then dies


If it's a briggs engine, sounds like you have water / debris in your carb fuel bowl. Using spray carb cleaner will only work if you remove the bowl and clean the carb jets. Also, you could have water in the gas tank as well. First, remove your air filter, then remove the 3 screws that attach your filter bracket to your carburator and mower. Take off your fuel line at the carb and drain all your gas into a clear jar. If it looks very yellow, cloudy, or see water in the bottom of the jug, change your gas. Using a half inch socket wrench, after gas line is disconnected, remove the fuel bowl and clean with carb cleaner. Also, examine the bolt you just removed. There are 2 jets in the side and one at the end. Using the carb cleaner, make sure they are clean as well. Use the carb cleaner extension tube to spray up inside the bottom center of the carb, where the bolt threads, to clean that area as well. After all this make sure ur float assembly is intact and reassemblt the bowl to the carb and reattach the the fuel line. finish bt reattaching the air filter support bracket makinf sure the gasket between the carb and the bracket isn't damaged.

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2 Answers

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you could have water in gas,look in the gas tank for any bubbles floating on bottom of tank this is water empty gas from tank and remove carburetor bowl too remove water from it .

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3 Answers

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My Coleman Generator 5000w with a Tecumseh 10hp story. Mine engine finally did die before I pulled the carburator off.
On mine the float was defective. It was full of fuel! I repaired the hole in it. I removed the air filter and saw fuel pouring out the side so much that I had a jar to catch it. I removed the carburator and took the nut off the bowl to examine the float. Then I removed the pin holding the hinged end of the float. Carefully pulled it out with the needle valve attached. When I removed the needle valve (just slides on mine) it was free to test. I tested by shaking it near my ear and I could hear the fuel inside the float. Mine was brass or copper. I wiped mine off with a napkin and finally found the hole. I drained the fuel by polking a needle sized hole and removed the fuel. I then soldered the hole shut with using just electronic 60/40 resin solder and a small soldering iron. Mine works like a champ now.

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