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leaky plastic gas tank


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#1 alec OFFLINE  

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Posted May 26, 2015 - 11:49 AM

what does a guy do about the leaking plastic tank on the rbt simplicity ? I have three that leak . one someone ( not me ) put some :bs:   glue on it ... that worked for a day or two and then I came out to gas all over the driveway .  not really lookin to have a hazmat team at my house ... any suggestions ?


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#2 UncleWillie ONLINE  

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Posted May 26, 2015 - 12:07 PM

Plastic welding. I have yet to find a plastic tank sealer that stands up long. 


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#3 Talntedmrgreen OFFLINE  

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Posted May 26, 2015 - 12:24 PM

Can't say I have ever seen an RBT tank leak.  is the leak at the hose/grommet?  I had one of those break off once, and made one from somethin else I found in the barn.  Doesn't leak to this day.


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#4 glgrumpy ONLINE  

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Posted May 26, 2015 - 01:23 PM

Don't know what rbt means here, but most tanks are some weird plastic that can only be molded once and then not worked with again. Fiberglass, epoxy, glues, none of those work. Might just have to look for another one on epay or maybe fellas selling parts here on forums, look at top list.  IF you had just that grommet with the valve poking into it like newer ones, you can get both gromm and valves lots of places. Older units with the little tube sticking out to slip the hose on tend to be broken more. Have to be real careful pushing and pulling off/on with hoses on those kind.


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#5 Freddie1911 OFFLINE  

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Posted May 26, 2015 - 04:49 PM

 The tank on the Massey We just reclaimed was leaking at the exit fitting. I built a bulkhead fitting that I could gasket each side of. The only way I knew to save it. If its split a hot air welder and an old tank to use pieces for filler may do it. Just keep in mind theres been gasoline in that tank an a hot element in that gun.   Just my thoughts    Freddie


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#6 Killer_A-C OFFLINE  

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Posted May 26, 2015 - 06:29 PM

There is to many good ones out there.Most leek at the replaceable grommet on bottom
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#7 Nxt2doc OFFLINE  

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Posted May 26, 2015 - 06:51 PM

Take a look at this.

http://diy3dprinting...astic-with.html


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#8 alec OFFLINE  

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Posted May 26, 2015 - 06:58 PM

I geuss I should have said it was the grommet on the bottom . I like the bulkhead fitting idea where did you get your pieces ?

nice dremmel trick nxt2doc !

where might I find the grommets ?



#9 KennyP ONLINE  

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Posted May 26, 2015 - 07:10 PM

What's an RBT?


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#10 Killer_A-C OFFLINE  

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Posted May 26, 2015 - 07:13 PM

There is to many good ones out there.Most leek at the replaceable grommet on bottom
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#11 Killer_A-C OFFLINE  

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Posted May 26, 2015 - 07:14 PM

Running board tractor
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#12 Tankman OFFLINE  

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Posted May 27, 2015 - 05:02 AM

If the tank had a crack, a soldering gun will melt the plastic. Will seam the polyethylene very nicely.

 

Strips of plastic filler can be made from a soda bottle.   :thumbs:


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#13 Freddie1911 OFFLINE  

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Posted May 27, 2015 - 06:41 PM

I geuss I should have said it was the grommet on the bottom . I like the bulkhead fitting idea where did you get your pieces ?

nice dremmel trick nxt2doc !

where might I find the grommets ?

 I built it . Fine thread bolt drilled through and taped 1/16 pipe thread  on the bolts threaded end flats and O rings. It worked. I don't know whether a 1/4 inch  fitting is made or not.     Freddie


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#14 alec OFFLINE  

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Posted May 27, 2015 - 06:48 PM

 I built it . Fine thread bolt drilled through and taped 1/16 pipe thread  on the bolts threaded end flats and O rings. It worked. I don't know whether a 1/4 inch  fitting is made or not.     Freddie

sweeeet !  I like it


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#15 Freddie1911 OFFLINE  

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Posted May 28, 2015 - 05:04 AM

Can't say I have ever seen an RBT tank leak.  is the leak at the hose/grommet?  I had one of those break off once, and made one from somethin else I found in the barn.  Doesn't leak to this day.

 

 

Don't know what rbt means here, but most tanks are some weird plastic that can only be molded once and then not worked with again. Fiberglass, epoxy, glues, none of those work. Might just have to look for another one on epay or maybe fellas selling parts here on forums, look at top list.  IF you had just that grommet with the valve poking into it like newer ones, you can get both gromm and valves lots of places. Older units with the little tube sticking out to slip the hose on tend to be broken more. Have to be real careful pushing and pulling off/on with hoses on those kind.

 

 

What's an RBT?

 

 

Running board tractor

 


  Some things WE really need to know. What is RBT?


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