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Post by 2skinny on Jan 27, 2012 19:44:30 GMT -5
Thanks JBSAWS, I just went down to my local power equipment shop and they had what I needed. Got the fuel tank stripped down with the intention of replacing the fuel filter, but there seems not to be one on my model- curious... Had I known that, I wouldn't have bothered stripping the tank down. Besides, the inside of the tank would be what I consider clean enough for almost 50 years old...
Going to get that cleaned up and re-sealed, connect the oil line that had come undone, and button everything back up and see if I can get it to run. If not next step is to install new carb kit and then check all ignition components.... we'll see...
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Post by 2skinny on Jan 27, 2012 22:36:34 GMT -5
Does everyone agree on ThreeBond or Yamabond, whatever way it's branded for sealing the XL-12 tanks?
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Post by powerking on Jan 29, 2012 18:18:32 GMT -5
With today's fuel (10 % alcohol minimum) I'm not sure that these adhesives were ever tested for "survival" and longevity thereof. I have not seen a sealant that so far cannot withstand both other than expoxies like JB weld.
Tom(PK)
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Post by tommyhnavix on Jan 29, 2012 18:30:28 GMT -5
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Post by powerking on Jan 29, 2012 18:40:55 GMT -5
Yeah, I hear that but with Homelite's clamshell design fuel/oil tanks with the black coating inside, one should never have to separate the halves (assuming no trauma is causing a current leak).
Tom (PK)
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Post by powerking on Jan 29, 2012 18:45:11 GMT -5
From what I have seen, most of these current sealants are mutially exclusive with respect to fuel/solvent compatibility. One is OK for gasoline but not for alcohol and vice-versa.
Tom(PK).
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Post by 2skinny on Jan 29, 2012 21:30:39 GMT -5
Well, had I known that there wasn't a fuel filter inside for me to replace I wouldn't have split them- would have saved me a couple hours. Turns out, my early style has a huge baffle/"wick"-style fuel pickup that also acts as a filter and doesn't need servicing. I ended up sealing the tank with Permatex 3D Aviation sealant. Rated for fuel (including aircraft fuel) and some other threads around suggested it for this application. Interestingly, it is the same color as what the factory used to seal it originally. I speculate it is a similar product.
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Post by MCS on Jan 30, 2012 9:04:07 GMT -5
Well, had I known that there wasn't a fuel filter inside for me to replace I wouldn't have split them- would have saved me a couple hours. Turns out, my early style has a huge baffle/"wick"-style fuel pickup that also acts as a filter and doesn't need servicing. I ended up sealing the tank with Permatex 3D Aviation sealant. Rated for fuel (including aircraft fuel) and some other threads around suggested it for this application. Interestingly, it is the same color as what the factory used to seal it originally. I speculate it is a similar product. I wouldn't say that wick filter doesn't need servicing. Did you remove the wick and felt washer to make sure they were soft so fuel can pass through them? The area under the spring and washer can slow fuel delivery. |
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Post by 2skinny on Jan 30, 2012 11:55:13 GMT -5
Yes- the washers were soft and the felt flexible. Fuel was getting to the carb ok. Going to try and fire it up today. If it doesn't run, next step is carb kit...
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Post by 2skinny on Jan 31, 2012 1:24:12 GMT -5
Ok, got it all reassembled. After I primed the carb with fuel via the starter (which pulls buttery smooth now with #5 1/2 cord) it fired right up. Ran, idled and throttle worked fine and I didn't even mess with the mixture settings. Oh, and I reinstalled the original AC boot and Cj8j plug that was on it! I'm stoked.
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Post by tribulation138 on Jan 31, 2012 6:24:51 GMT -5
Good to hear. Is exciting to hear a saw run after youv worked on it for a while
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Post by 2skinny on Jan 31, 2012 14:23:13 GMT -5
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Post by MCS on Jan 31, 2012 14:32:11 GMT -5
Nice looking XL-12 and good to hear it runs well. Just make sure you wear a good set of muffs when you run it.
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Post by 2skinny on Jan 31, 2012 14:51:41 GMT -5
Oh definitely, always use ears. My mother taught me that at an early age on account of my dad never wears hearing protection and that guy's catch-phrase is, "Huh?".
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jbsaws
Saw Builder
October 1964: Homelite receives Popular Science Award for development of XL-12
Posts: 242
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Post by jbsaws on Jan 31, 2012 18:58:38 GMT -5
Good job getting that saw running! Liked the photos. You're bucking spike is on it's way.
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Post by 2skinny on Feb 10, 2012 18:51:23 GMT -5
Runs great, but it seems that the oil reservoir/fuel tank division was not sealed adequately and fuel is seeping into the oil reservoir and out the oil cap. So, as soon as I get the opportunity the tank is coming apart again  |
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Post by tommyhnavix on Feb 10, 2012 20:19:45 GMT -5
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Post by riseandrun on Feb 10, 2012 21:10:44 GMT -5
2 skinny, I took my 150 automatic apart for the wrong reason too. I sealed it with a suggestion from this forum of a product I got at auto zone called seal all. So far no leaks, but I haven't run the saw for very long either. It did sit in a tote container with a full tank of gas for a few days though. I glued it up in my cold garage, and then hid it from my wife in the downstairs living room to cure.  Your saw looks great. Your stirring up the CAD. KW |
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Post by 2skinny on Feb 10, 2012 21:17:40 GMT -5
Well, the seal is holding everywhere else along the tank edge, but I think i fudged up sealing the separating edge. I ended up sealing with Permatex 3D:  Which was recommended by several people on a number of threads. It is oil/fuel resistant and very similar in appearance to the original sealing product... |
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Post by 2skinny on Feb 10, 2012 21:21:09 GMT -5
And Seal-All seems to only be available online now, having a tough time getting a brick and mortar spot that stocks it...
Update: Nevermind, Home Depot has it...
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What if you want to take it apart again??
