19 6 new gas tank install begins

[wingtime]

IF your new tank is aluminum DO NOT USE GALVANIZED METAL NEAR IT!  If they are in contact with each other two metals will cause galvanic corrosion that will eat through your tank in no time!  Use ABS or starboard and 5200 to seal it to the tank wherever it touches the tank.

[imonna 19 6]

The hose is disconnected on the fill side, as that fill hasnt been used in years and the cap is removed and glass over.  





The fill hose goes straight down the gunwale.




While the vent hose goes down about 6 inches over, so i would not expect removing it would free any space.





I am not opposed to cutting out around the hoses in the coffin, but the tremendous amount of force I applied, enough to stretch that fill line 6 inches before it shredded, while still not budging on the other side, means something strong is holding it in place.


The starboard fish box is solid and I can cut it open if need by.

In order to run the new hose I was all ready going to put a larger round inspection hatch on the gunwale side in place of the one that is all ready there.




I can certainly do this if the thinking is that I could then dig out the insulation  at that point and run the hose afterwords.

[feeling2damgood]

what about going with a slightly smaller fill hose , just small enough to fit in the old hose and running it through the old hose. that looks like a pretty nice size hose so i think going a size smaller wont make to much difference when filling up.just another idea

[MarshMarlowe196]

Did I miss something?  Where and how were you filling the original tank?

[imonna 19 6]

I bought it last year and this was under the console


It is a 19 gallon POS that the previous owner put in.

The original tank was removed by the previous owner i presume, but he left the lines in and the coffin empty

[gran398]

Like Fitz says....we'll get this figured out.

Jesse (Marshmallow) has a good idea...sure ain't gonna hurt a thing to make a cut there and see what you're up against.

After studying your photos carefully....that foam as we know has terrific adhesion....just try getting it off your fingers. Its strong. You will have to go in and mechanically break that bond. Good news is, per your other photo, looks like you only have a foot or so to deal with. Go in with a sharp curved carpet knife through Jesse's suggested cut. Make that hole as big as needed, no prob to deal with it later. Cut the mess off the hose with the knife. Those knives are small, sharp, sturdy, and push easily.

Get her loosened up....then you can use the come a long if needed. Go ahead and shorten the pull by cutting off the rest of the  hose deep as poss. thru the inspection port.  If you can get in there to work, you probably won't need the come a long.

That's my thinking, keep us posted.

[bumpster]

Try this, Get some steel rod (rebar) put it in the end of the hose near the old fill. Put tension on the other end with the comealong and then use the rebar to push the filler hose and wiggle it at the bend. Might work, Might not. The secret is going to be getting movement at the opposite end of the pull. Once it breaks free you are set

[imonna 19 6]

Hello all,'

While I continue to work on loosening my old hoses, i wanted to learn more about the next step, which is running the new ones.

I have a fill and vent that go from the coffin to the starboard gunwale. The fill will be straightforward, but the vent has me wondering.

Here is a close up of the current hose.  It only shows the hose clamp at the connection of the hose and vent fitting, but does show the angle of the hose.  The fitting is the original fitting with a stern facing vent on the outside of the hull

My questions
When blowing through my vent line, should i have any resistance or any easy passage of air.

Do i run them any different or just like they where originally. There doesn't appear to be any rise in the hose to prevent water from coming in.  
Ii dont know if a flame arrestor exists in this or whether i should put one in.I read somewhere they are required in the vent line

Anything I should do differently

[gran398]

imonna, our UConn cousin  

Leave everything per design. Aft facing vent fitting is fine. Many were set up facing downward towards the waterline, but this is an easy way to inject seawater on the entry. The way she's set up is good, but with a slight (30 degree) down-tilt to eliminate rainwater entry.

Yep, she should blow thru without restriction. Flame arrestor isn't necessary or required. Never heard of this as a requirement. Others here may have, and if so, hopefully will input.

Most importantly....how's it coming clearing the fuel-fill hose from the foam?

[Skoot]

Do i run them any different or just like they where originally. There doesn't appear to be any rise in the hose to prevent water from coming in.

My vent hose has a 360 degree loop in it near the gunnel vent fitting.  It was originally installed this way and should help with any/possible water intrusion.

[imonna 19 6]

Ok.  easy first.  My vent did not have a loop. Should i put one in when I make it to that step.

Now on the the continuing problem.

I was able to peek into the space around the lines going into the coffin and to my supriose, NO FOAM

Both hoses take a right turn through the stringer.  I then started cutting away the foam around the lines in the gunwale .  After 2 hours of cutting i was able to clear the lines all the way down to just about the deck level.   Here is my effort at a picture



The black lines show the approximate course of the hoses.  The orange/red coloring shows where I have removed foam from, which is about all I can reach without cutting a new hole.  

Where do i need to clear to before I get some movement.  I'll cut the larger inspection port for the side if it is likely that will do it, but obviously I dont want to cut it if there is something else going on.

After I cut the foam back to the point noted in the picture,i attached the comalong and got nothing but stretch on the fill hose.

Thanks in advance'
Bill

[Capt. Bob]

Quite possibly you have foam between the starboard stringer and the hull. My CCP was that way.
In my WAC, the fill and vent lie on a depression on top of the stringer. I doubt Aqua put the hoses "though" the stringer.

I'm betting on more foam. If so, you'd need to cut a hole in the deck in the area where your lines intersect.
You could drill a small hole through the deck at that spot and see if you bring up foam and patch it with epoxy if you don't.

[imonna 19 6]

Before cutting into the deck, should i consider leaving them be and running new lines up and out of the side of the console.  I dont know much about the pros and cons of that location

[gran398]

There IS more foam. Exactly where CB says. The stringer ha a depression in the top to allow for hose passage, then outboard of the stringer to the hull side is the foam. It begins about where your drawing (black lines) end.

Try the suggestion from the other night of putting a metal rod across the top of the hose (inside the gunnel), attach a steel cable to it, push the cable thru till it comes out the coffin side.... then use the come a long. This hopefully will at least break it free.

If you can break loose the big hose, the vent hose should be easier.

Ugh...what a bear.

[pete]

Before cutting the deck,I would enlarge the hole around the lines inside the coffin,you'll be able to see whats in there and get a tool in to loosen the foam,inside the cofffin will never be seen any way