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Old 07-30-2021, 04:59 PM   #2081
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1982 31' Airstream 310
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Thanks for the information fellas! I got an early start on the project this morning and didn’t see your posts before I got done. Eh, not the end of the world I just hope I don’t have ant leaks. I haven’t tested it yet, thought it might be wise to wait a couple days for the seaplane to cure a bit. Maybe I don’t need to since it’s not water soluble, what do you guys think?

I’d been putting this project off for the last couple years because I didn’t have any “bad” leaks AND I wasn’t real sure how to tackle it step by step. I recently did a tank cleaning with an enzyme based cleaner and once I had flushed the tanks several times and then added fresh water and the cleaning liquid, both valves started leaking BAD! The only thing I could think of is that the cleaner ate away the gunk from the valves that had been acting like a sealant. Sooooo, I had no choice but to get off my bum and tackle the job. I thought quite a bit about how I was going to approach it and the light bulb went off.

First thing was to cut the old valves out with the saws all and I purposefully cut the Y fitting leaving the old valves in place so that I had something to pull on with some leverage to get the 3” pipe out of the tank collars.
Attachment 400710
The gray tank pipe came out just fine but I couldn’t get the black tank pipe to budge…I needed more leverage.
So I drilled a 1/2” hole all the way through the collar glue joint and was able to slip a large thick shank screw driver through the holes and that gave me more to pull on. I wiggled and pulled and it finally came out.
Attachment 400713
Then I unbolted the tank hubs off the ends of the new Valterra unit
Attachment 400715
Cut my 3” pvc pipe, one end needed to be 3” and the other end 4”. These dims would account for 1.5” to slide into the tank, 1.5” for the glue joint, and then an extra inch on one end to slide the pipe into the tank and then back out to mate up with the valve. Really, that was the key to the install. Cut n glue up the tank hubs first and go ahead and install them before the valves and the Y fitting
Attachment 400716
My trusted helper there under the coach helping me……
ONCE AGAIN! She’s one heck of a wife I gotta say.
At that point it was a matter of starting on one end and assembling the unit back together. When I got to the other end, I was able to slide the longer pipe out to meet up with the valve. That was a struggle. Ended up having to use a pipe clamp to pull the pipe back out of the tank collar.
Attachment 400718
So there she be. Hope like hell it doesn’t leak, knowing now that the 635 is a sealant/adhesive. It won’t. I know it won’t. Right?
Soooo, do you think I should let it sit for a couple days to let the sealant cure a bit?
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Old 07-31-2021, 07:49 AM   #2082
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Old 07-31-2021, 07:53 AM   #2083
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Old 07-31-2021, 08:44 AM   #2084
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Great Job, Mike! I assume that will the one and only time the valves will be on top of the Dining Room?
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Old 07-31-2021, 09:05 AM   #2085
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That looks all to familiar!

Great job Mike, think you will be happy with the new setup. Have had these valves on our 310 for over 14 years, and now on the 350, no leaks yet!
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Old 07-31-2021, 06:11 PM   #2086
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Thanks fellas. It wasn’t a fun job but not as bad as I thought it would be. I’m just glad to finally get it done. Well, hopefully it’s done. I’ll put water in it tomorrow and see. It should be good to go though.
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Old 08-01-2021, 02:03 PM   #2087
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Wahooooooooo! No leaks in any of the joints! Fantastic!

I have one more question about our waste tanks. Are they made of polyethylene, polypropylene, or just what type plastic? I found a very small crack in the gray water tank and am wondering if there is a sealant that can be used on it. That 635 seamed to bond real well to it. It’s very small, like a 1/2” or so but I’m getting an occasional drip from it.
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Old 08-01-2021, 05:21 PM   #2088
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I snooped around on the internet and found a video about this product. It looks very promising.

https://www.google.com/url?sa=t&rct=...MOPV4Z5-eet1u6
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Old 08-01-2021, 07:03 PM   #2089
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Wahooooooooo! No leaks in any of the joints! Fantastic!

I have one more question about our waste tanks. Are they made of polyethylene, polypropylene, or just what type plastic? I found a very small crack in the gray water tank and am wondering if there is a sealant that can be used on it. That 635 seamed to bond real well to it. It’s very small, like a 1/2” or so but I’m getting an occasional drip from it.

For what its worth, I have repaired at least 3 ABS ( I assume) drain pans of the original AC units with 635. Surface has to be dry and cleaned with a solvent like denatured alcohol or lacquer thinner. It bonds super good and has been lasting for years
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Old 08-01-2021, 08:15 PM   #2090
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I was thinking about using 635 Peter but I’m not sure what type of plastic our holding tanks are. Mine are the original tanks. I thought I had read that the tanks are either polyethylene or polypropylene and I wasn’t sure if the 635 would adhere well enough. It sure seemed to adhere well on the pvc pipe that slid into the tanks for the waste valves. This Tap product is specifically for those two plastics, awful expensive though with shipping. There are several sealants that will work for ABS but this is the only one I found that states it’s for either of those two polys. Argh……I can’t find the threads on the forum here that mention the material that our tanks are made of. Since they aren’t black and more like a milky white, I am assuming they aren’t ABS.
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Old 08-01-2021, 09:34 PM   #2091
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The tanks are made of LDPE (polyethylene). Great for not reacting to chemicals, hard to fix because nothing seems to stick to it.

Nice thing, it is a thermoplastic! Plastic welding (like a big soldering iron) is probably your best bet. I got mine off Amazon and did some major tank surgery successfully with the sticks the welder came with.

http://www.amazon.com/dp/B07RG8K18D/...ing=UTF8&psc=1

Just practice and check for leaks, you got this!
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Old 08-29-2021, 07:55 AM   #2092
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After about 3 years of procrastinating and being unwilling to get off the $$$, finally bit the bullet and ordered a WeBoost cell signal booster for the rig. Hope to install this week. Rotated tires yesterday and confirmed just how old I’m getting
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Old 08-29-2021, 08:30 AM   #2093
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After about 3 years of procrastinating and being unwilling to get off the $$$, finally bit the bullet and ordered a WeBoost cell signal booster for the rig. Hope to install this week. Rotated tires yesterday and confirmed just how old I’m getting

Mike, I trust you got the "RV" version of the WeBoost? The home version has a limited "LTE" bands it will boost. I bought the home version last year and it work very well when the right Band was transmitted by the tower. Omni directional Antennas are a must as well. You can get an app called "LTE Discovery" to see the current Band you are on. Unfortunately, I do not know how to force change your cell phone to a different Band, others may know.
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Old 08-29-2021, 08:57 AM   #2094
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Yeah Mike, I’ve had my cell booster for 3 years now, excellent for streaming AMC or TCM. Regards, Bob
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Old 08-29-2021, 08:58 AM   #2095
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Ya I did Peter. The latest incarnation;

weBoost Drive Reach RV (470354) Cell Phone Signal Booster Kit, Made in The US, All Networks & Carriers - Verizon, AT&T, T-Mobile, Sprint & More, FCC Approved

It’s pricey, $500, but I justified by saying it’s money spent for entertainment. We really don’t spend much on entertainment type things other than traveling in the 310….boring eh.
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Old 09-04-2021, 10:26 AM   #2096
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Finished up the cell signal booster install. Ended up using a heavy bracket that came with the unit for the exterior antenna mount. Made use of the heavy gauge metal bracket that once held the original backup camera.
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They sure didn’t supply an abundant amount of cable with the kit. I was able to route it over the roof along side my camera cable, down through the refrigerator vent. Had to cut a small hole in the vent cover in order to get a fish tape down. I got that patched n sealed.Click image for larger version

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The interior antenna is small and……well, not ugly I guess.
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I drilled through the floor in the fridge compartment, ran the cable for the interior antenna over to the wall under the tv, and then up inside the wall between the interior skin and the plastic wall on that side. So it’s hidden nicely.
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Old 09-04-2021, 03:44 PM   #2097
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Hey Mike. Is your table a single leaf? So no latch on it?
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Old 09-04-2021, 05:37 PM   #2098
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Kind of…I made the table so it’s custom. It does have an extension leaf that is stored in a cabinet. I saw that you were looking for something to replace the “bent nail” contraption.
Surely there is hardware out there somewhere that would be an upgrade to that thing. I’m not even sure what to call it.
My leaf attaches with two dowels that are glued to the leaf and they slide into holes on the edge of the table. It then has a latch that pulls it tight.
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Old 09-04-2021, 06:08 PM   #2099
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Here ya go,
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Old 09-04-2021, 08:42 PM   #2100
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Beautiful table Mike. I like that you made the extension shorter so folks can walk around it!
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