ParkLiner waste water leak - Page 8 - Fiberglass RV


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Old 11-10-2014, 08:47 AM   #99
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Name: Dave W
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Your repair looks good Frank. However, these types of repairs are quite brittle. I would suggest that if at all possible, you make flexible connections from your tank to whatever fittings get connected, and try to support the weight of those fittings with straps to your trailer rather than letting your repair support the weight.

I have used a similar method for fixing shallow scrapes through the outer skin of my Royalex canoes. Just dissolved colored Lego blocks in Acetone and painted on the scratch or gouge on the canoe. If you pick the right color of Lego blocks, the patch can be color matched with the canoe. However, this is more of a cosmetic repair (providing UV protection to the inner core of the canoe) rather than a mechanical fix for extensive damage. The finished product looks good, but is brittle and can sometimes flake off when impacted by a rock.
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Old 11-10-2014, 08:58 AM   #100
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Thanks Dave. When the tank is reinstalled, I will use rubber tubing connectors to attach to the interior plumbing. That will give it some flexibility, and also make it much easier to remove the tank if necessary in the future. Other than that, I will use the same metal strapping to secure it that held it to begin with with.

It's hard to believe this repair will be any more brittle than unrepaired ABS, but you obviously speak from experience. It sure seems like it welded right in, and I applied the fiberglass cloth in large part to give it strength. You think that might pop off if a rock hits it? That's not good, as this area sits right behind a tire! Is there a better way to fix a crack in an ABS tank? Should I just buy a new tank?

Frank

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Originally Posted by Ice-breaker View Post
Your repair looks good Frank. However, these types of repairs are quite brittle. I would suggest that if at all possible, you make flexible connections from your tank to whatever fittings get connected, and try to support the weight of those fittings with straps to your trailer rather than letting your repair support the weight.

I have used a similar method for fixing shallow scrapes through the outer skin of my Royalex canoes. Just dissolved colored Lego blocks in Acetone and painted on the scratch or gouge on the canoe. If you pick the right color of Lego blocks, the patch can be color matched with the canoe. However, this is more of a cosmetic repair (providing UV protection to the inner core of the canoe) rather than a mechanical fix for extensive damage. The finished product looks good, but is brittle and can sometimes flake off when impacted by a rock.
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Old 11-10-2014, 09:37 AM   #101
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The crack in your tank may be an inherent flaw in the tanks design or manufacturing process. There is no guarantee that a new tank will not eventually crack in the exact same spot . If Parkliner had used your model tank on all of their trailer ,it would be easier to make an evaluation but it appears they have used different tanks along the way . You have made the best of a bad situation and I hope you are successful .You have suffered through enough problems with your trailer and I admire your patience and persistence GOOD LUCK
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Old 11-10-2014, 09:51 AM   #102
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Thanks Steve. I can't get a straight answer out of the owner of the company, so am at a loss. I think it's telling that no one else seems to have a similar problem with theri ParkLiner, and that it might very well have been related to a minor accident that occurred with the previous owner.

We have very few problems left to deal with, at least as far as I can see. We, like most, have a few things we would like to do, but once this tank is back in and attached to the interior plumbing, nothing that really cries out for attention.

Frank

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The crack in your tank may be an inherent flaw in the tanks design or manufacturing process. There is no guarantee that a new tank will not eventually crack in the exact same spot . If Parkliner had used your model tank on all of their trailer ,it would be easier to make an evaluation but it appears they have used different tanks along the way . You have made the best of a bad situation and I hope you are successful .You have suffered through enough problems with your trailer and I admire your patience and persistence GOOD LUCK
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Old 11-10-2014, 10:48 AM   #103
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Frank I wonder if they used different tank for the built in toilet vs porta potty. Support it as well as you can and check it from time to time for leaks...at least you have more material if you need to make an additional repair!
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Old 11-10-2014, 10:53 AM   #104
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No clue Deryk. What Chandler told me was not true, so I just don't trust what I hear there.

Yes, I have a bunch of ABS repair stuff now. Actually, I really did not need to buy ground up ABS. I could have just bought a few fittings and ground them up myself. Add acetone and go to work. That's all ABS glue you buy on store shelves (or in my case, through the web) is - ground up ABS and acetone.

It's not hard to keep an eye on a wastewater tank leak!

Frank

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Frank I wonder if they used different tank for the built in toilet vs porta potty. Support it as well as you can and check it from time to time for leaks...at least you have more material if you need to make an additional repair!
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Old 11-10-2014, 04:58 PM   #105
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Looks good.. Now onto the Escape lights!

Sent from my XT1028 using Fiberglass RV mobile app
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Old 11-10-2014, 04:59 PM   #106
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Looks good.. Now onto the Escape lights!
Thanks! And exactly!

Frank
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Old 11-11-2014, 09:00 AM   #107
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Okay, this morning was leak test, then getting ready to re-install the tank. Leak test went great, so that's a good thing!

While I'm waiting on fittings and pipe, an arctic front is approaching. So I'll get the tank installed soon, but I want some sort of sealant that I can use on these rubber connectors, and will check on that today at Lowe's.

I got the two intakes ready by carefully cutting off what was left of the old connectors to get to plain 1-1/2" pipe that will allow me to use the rubber hose connectors, as pictured. I'm tight on the one nearest the curb side, but believe it will work once tightened down.







Later today I'll tighten the brass nipples into the PVC fittings that will end up replacing the same exact stuff I removed. The plastic fittings are new, the brass nipples are the same as used when I tore this thing apart.

Busy morning for a day off. Washed both commuter cars, plus did all this tank stuff. Next I have to dye some belts and make a couple new blanks. Got one sold and need to make some for show at a local seamstress shop.

More to come!

Frank
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Old 11-11-2014, 10:04 AM   #108
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Okay, tank repair is done.




Frank
Frank you did a good job. You might think about getting some ABS sheet and bending an L bracket and gluing that to the side of the tank and building a support from the tank to that valve to take the load off the repaired fitting. Make a nice large foot to spread the load. If you build a bracket to 2 bolt holes on the bolt pattern on the backside of the valve you can still take the valve off at a off later to service the valve. You can heat up ABS to bend it. I have bought allot of stuff from Mc Master Carr they are top notch. I would use 1/8" thick material. Your an expert now so its easy piezy.

McMaster-Carr
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Old 11-12-2014, 01:31 PM   #109
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Thanks Steve. That's a good idea I need to give some thought to. I appreciate it.

Frank

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Frank you did a good job. You might think about getting some ABS sheet and bending an L bracket and gluing that to the side of the tank and building a support from the tank to that valve to take the load off the repaired fitting. Make a nice large foot to spread the load. If you build a bracket to 2 bolt holes on the bolt pattern on the backside of the valve you can still take the valve off at a off later to service the valve. You can heat up ABS to bend it. I have bought allot of stuff from Mc Master Carr they are top notch. I would use 1/8" thick material. Your an expert now so its easy piezy.

McMaster-Carr
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Old 11-14-2014, 05:21 PM   #110
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Got my ABS fittings from Faucet Depot today, looks like I should be all set once I get my 2' piece of ABS pipe maybe tomorrow. Called Faucet Depot yesterday, wondered if they had any advice for sealing my rubber hose connectors to ABS. They deferred to NIBCO, folks that made the ABS fittings, and gave me their 800#. So I call NIBCO and relay my question. They guy was very cool, noting how about any sealer I bought would eventually set up with the rubber, making it hard to get apart. His suggestion for a sealer? Wheel bearing grease. Ha! I can do that. What a great idea, one I would never have thought of.

I may need one more coupler to get this system back together. I'll find out tomorrow.

More to come...

Frank
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Old 01-14-2015, 07:53 AM   #111
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I needed one more coupler to feel confident that when I start putting pipe together, I have everything that is needed. I can now proceed, once it gets a tad warmer. 6 below this morning at our place!

Frank
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Old 04-03-2015, 06:48 PM   #112
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It has been a long cold winter, but finally got above 50 yesterday and when I got home today it was 65! Of course, they're saying a cold front is coming in and we might have wet snow tomorrow.

But I digress. I got home, got the jig saw out and did a bit of trimming (messy), but effective, and now have my wastewater tank supported by straps and can screw the tank to the plywood when I get a chance. It also allows me to start mocking up the interior wastewater connections.

More later, but probably NOT tomorrow!

Frank
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