Fuel flow

[BrianLivingstone]

I can't keep my tractor (46 2N ) running for longer than 20-30 seconds. It seems like it is starving for fuel . When I opend the fuel valve the gas dripped into the sediment bowl almost fast enough to form a steady stream. Does this sound right or should it be a faster steady stream?
Thanks for any comments
Brian
 

[souNdguy]

continous pencil sized stream. drips don't count...

clean the fuels susytem sed bowl and valve.. then the flaot valve make sure all 3 screens are clear.

post back
 

[Bruce (VA)]

Expanding a bit on what soundguy just said......

Get a can & put it under the carb. Remove the bolt in the bottom of the carb; as long as the fuel is turned on, you should see gas flowing out of the carb. Let it run for at least 30 seconds. If it’s a dribble, or runs for 5 seconds & stops, or none at all, you have solved half the problem: it’s fuel related.

If it does not have gas coming out of the carb at a steady stream w/ the bolt out for at least 30 seconds, you have a fuel problem. First, remove the gas cap. Your vent could be clogged & it vacuum locked. If that doesn’t work, tap the carb bowl w/ a hammer handle in case the float is sticking closed. (don’t whack it w/ the head of the hammer; you can crack the bowl). If you still don’t see gas flowing, the N has three fuel screens; one in the brass elbow, one in the top of the sediment bowl & one on the stem of the sediment bowl in the gas tank. Check the screen in the elbow & the screen in the top of the sediment bowl. (don’t worry about the one in the tank right now) Both probably need to be cleaned. If you have the fuel knob turned on all the way, & 1 gallon or less in the tank, it may be trying to feed off of the reserve inlet which is probably clogged. Only open it 2 full turns. Put at least 2 gallons in the tank. (and do not forget to turn the gas off; see tip # 9)

Don't honk down on on the carb elbow; it's brass. First, use a flare wrench to remove the fitting. (as in the picture) Next, if you do not have another fitting to screw into the elbow (as in the picture) then use a crescent wrench on the top & bottom (NOT the sides) of the elbow to remove it. Otherwise, you will distort it & you will never get the fuel line fitting back into it.


75 Tips

 

[L. B,]

Make sure your gas cap is vented and vent is clear. Put on fuel safe gloves while working on this entire task.After the sed bowl is removed and cleaned and you have checked all other stuff as per soundguys post. Now before you put sed bowl on turn on your fuel valve and with a gas safe container to catch the gas check for a steady stream of fuel.If you dont get a good flow your sed bowl valve is plugged (or no gas in tank)and must be checked, REMOVE all gas from tank and remove and clean valve and its screen, Put valve back on.Check flow.If ya have a good flow button everything back up. Put sed bowl back on and tighten the sed bowl up, just tighten it enough to mate it to the gasket. Turn fuel on,it will fill the sed bowl, as the fuel starts to overflow the bowl catch over flow in a safe container. Now tighten bowl to gasket till the overflow stops and make it tight. Now try to start her up. Post back if this fails to solve your problem.
 

[BrianLivingstone]

Thanks very much for all of the replys . I removed the valve assembly from the fuel tank and found the screen to be plugged with crud. I blew it out and it now runs great.
Thanks again. Brian
 

[Bruce (VA)]

You're welcome. Glad to help.

But......." I blew it out and it now runs great."

Where do you suppose that crud came from?

Fix it or you'll be fighting that problem every few months.
75 Tips

 

[L. B,]

Clean tank, check for leaks seal tank with Kreem if needed. Like Bruce said it will do it again.