I put a new fuel line filter in today on my M,and I know they get bound with air sometimes,but I lost all my gas on the ground through the overflow.Would air effect the float if it was trapped in the line over night?I did have air in it because after running it the gas would not come down to the filter unless I took off the end at the carb.
- Thread starter dougie94
- Start date
the tractor vet
Well-known Member
Well it is like this , you have a gravity flow system and IF you hve the screen in the sediment bowl and th screen in the inlet of the carb then that is all you need and a inline will slow the flow of fuel to the carb as they were made for something with a PUMP and a M does not have a PUMP so guess what YOU SCREWED UP .
Dougie,
I have had inline filters in every tractor I have owned for the last 20 years, 300U, H, JDA, Case B, Cub, SA and they all run just fine.
About half the people on this forum use them and half don't, so make up your own mind. It is an ongoing, and tiresome debate. Do a search on the archives and you will find many posts.
Tell your auto parts dealer that you want a filter for a gravity fed system and they should give you the correct filter.
The symptoms that you discribe can be caused by several things including having a non gravity type filter.
Make sure you have a filter made for gravity system and you can eliminate that as your problem.
Dell
I have had inline filters in every tractor I have owned for the last 20 years, 300U, H, JDA, Case B, Cub, SA and they all run just fine.
About half the people on this forum use them and half don't, so make up your own mind. It is an ongoing, and tiresome debate. Do a search on the archives and you will find many posts.
Tell your auto parts dealer that you want a filter for a gravity fed system and they should give you the correct filter.
The symptoms that you discribe can be caused by several things including having a non gravity type filter.
Make sure you have a filter made for gravity system and you can eliminate that as your problem.
Dell
james rumph
Member
Automotive fuel filters are designed to work with fuel presure , you have a gravity feed system.....
It will work fine with a small electric fuel pump that you can regulate the fuel presure down around 5 psi.
I run a fuel filter on my Super M but it is set up for tractor pulling and it has a large pump.
I used a fuel filter for a atv on my cub and it works fine. The atvs are gravity feed and the cub sips fuel so in this application it works fine.
I don't think you would get the fuel flow with one of these on a "M" .
Sounds like it's time for a new sediment bowl and carb screen.
It will work fine with a small electric fuel pump that you can regulate the fuel presure down around 5 psi.
I run a fuel filter on my Super M but it is set up for tractor pulling and it has a large pump.
I used a fuel filter for a atv on my cub and it works fine. The atvs are gravity feed and the cub sips fuel so in this application it works fine.
I don't think you would get the fuel flow with one of these on a "M" .
Sounds like it's time for a new sediment bowl and carb screen.
Tractor Vet made the only good case against online filter I have seen some time back, he said that if you get fire under tank ( have seen this more than once) rubber line will burn off and gasoline will cause fire to rage. I have inline filters on my tractors and if one burns more gasoline than my filters will flow I sure do not want to run it.
Dougie,
I use the same HASTINGS inline fuel filter on all my tractors. I like it because it has a clear case and I can see the fuel flow and condition.
I have the model number written down somewhere but both my auto parts store and tractor parts store carry the same HASTINGS filter.
Here is a photo of one of my 300U's showing the filter just before it goes into the carb.
As you can see the filters only fill half way leaving a nice air supply to keep the line running smooth.
Dell
I use the same HASTINGS inline fuel filter on all my tractors. I like it because it has a clear case and I can see the fuel flow and condition.
I have the model number written down somewhere but both my auto parts store and tractor parts store carry the same HASTINGS filter.
Here is a photo of one of my 300U's showing the filter just before it goes into the carb.
As you can see the filters only fill half way leaving a nice air supply to keep the line running smooth.
Dell
If a fuel filter makes you feel good, don't let what anyone else has to say stop you from using one.
Frankly, I don't think the fuel filter has a thing to do with the original problem. How can the fuel filter RESTRICTING flow cause all the gas to run out on the ground?
Something is/was wrong with the needle and/or float in the carburetor.
Frankly, I don't think the fuel filter has a thing to do with the original problem. How can the fuel filter RESTRICTING flow cause all the gas to run out on the ground?
Something is/was wrong with the needle and/or float in the carburetor.
MK,You are correct.I just took apart the carb"my last resort of course"and found the needle had a small amount of goo and would stick just a little.I feel pretty dumb I just didn't think it would of got that dirty that fast.Once I fixed that it runs like new and the filter is fine too.Thanks
rustyfarmall
Well-known Member
I have to agree with tractorvet on this one. If the fuel inlet fitting screen is in place, and the sediment bowl screen is in place, then you absolutely do not need that in-line filter. I know some of you guys are using the in-line filters with success, but if the previously mentioned fuel filtering screens ARE IN PLACE, then you have accomplished nothing more than to put money in the pockets of the guy at the parts counter, and at the same time, you have created a fire hazard.
Rusty,thanks for the info.I do not have a screen in the carb because I had it redone and the place that did it"who runs a business doing it"told me to run a in line because it would be easier too clean and see.I guess the only difference is one is metal and one is paper.but then the Fire hazard comes into play,new too me.But if it happens..naaa it won't!
rustyfarmall
Well-known Member
I rebuild carburetors also, and I never send one out that does not have the correct inlet screen in place.
charles todd
Well-known Member
Isn't the "sediment" bowl a filter?
CT
CT
rustyfarmall
Well-known Member
Yes, the sediment bowl is the first filter, and the screen in the fuel inlet fitting is the second filter.
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