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Old 03-09-2012, 10:59 AM
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Default Proline gas tank access....? Help needed ***

I have a 2001 Proline 25 sport that I need to clean or possibly replace the gas tank. But I'd like to know how, or where to access it.

Do I need to remove the "leaning post" to access it? ...(see pic)....


I have a small circular 8" access hatch behind the leaning post but its WAY to small to get into what I need to do. Which is clean tank, install new sending unit and down tubes for fuel pick-up. I'd also like to drain and completely clean the tank altogether if possible....?

I believe my tank is 158 gal?.... anyone know what the replacement tank is or looks like? Mine is aluminum....anyone have experience doing this on a Proline like the model?....pictures..?

Thank you for your all your help.

Last edited by cheb; 05-25-2012 at 07:59 PM.
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Old 03-09-2012, 12:44 PM
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When the aluminum tank on my new P/L started leaking after about 2 years,
it went back to the factory where they took the cap off of the hull and put
in a plastic replacement. I can't imagine that any hole under your leaning post
will be big enough to get the old tank out, if that's what you end up doing.
Is Mike Carrigan still around???
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Old 03-09-2012, 12:52 PM
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wow that sounds like a major undertaking...removing the whole cap.

I may just need to clean out my tank...hopefully not replace it.

But I would like to see pics or hear about it from someone whose dealt with this....


Mike whats the word?...???


.
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Old 03-09-2012, 01:55 PM
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We are scheduled Monday 3/13 to clean a 24' Proline fuel tank that has been 'modified'. The fuel sender is located under the console and is a real problem getting to. So the yard is installing an opening behind the upper cushion on the jump seat. This will allow us to enter from above and forward of the sender. The opening will allow removal of the three batteries in the future without relocating a rib or spinal disc.
Previous mechanic removed & replaced the sender but could not see, so after he could not line up the five screws he drilled six more holes and still could not seal the tank. We have already removed 10 gallons of water and 8 gallons of very old gas.
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Old 03-09-2012, 02:04 PM
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the sender is visible and accessible by the 8' circular hatch in the back, along with the fuel pick-ups....but I'd like to "drain and clean out" the whole tank if possible. No Leaks that im aware off...just a dirty tank with crap in the gas and a clogged pick-up.

I wanna do a nice clean up job so my NEW pick-up doesn't get clogged.

Thanks for your help guys.....any info appreciated.
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Old 03-09-2012, 05:14 PM
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Cheb, I was employeed by Proline for 15 years. I have removed and replaced the pickup tube and fuel guage on more than one of these boats. It can be done using the deck plate behind the leaning post.If the fuel tank needs to be replaced there is only two alternitaves, 1 pull the deck cap or 2 cut the deck around the tank. Unless you have done a preasure test on the tank and confirmed a leak I would not even think about tank replacment.
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Old 03-09-2012, 05:20 PM
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Quote:
Originally Posted by brad1951 View Post
Cheb, I was employeed by Proline for 15 years. I have removed and replaced the pickup tube and fuel guage on more than one of these boats. It can be done using the deck plate behind the leaning post.If the fuel tank needs to be replaced there is only two alternitaves, 1 pull the deck cap or 2 cut the deck around the tank. Unless you have done a preasure test on the tank and confirmed a leak I would not even think about tank replacment.
I concur.
Tank replacements are so very rare, the odds are way against it.
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Old 03-09-2012, 06:18 PM
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I understand what your saying...

I CAN access the sending unit and the pick-up through that hatch...even though its tight to work in.

But is there any other access hatches or ways to get into or access the tank other than those spots I mentioned? Is there another access under that leaning post if I remove it?

My pick-up is clogged with junk, tank is fine, no leaks.

Thanks guys.



.

Last edited by cheb; 05-25-2012 at 08:00 PM.
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Old 03-09-2012, 06:25 PM
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also how do you remove the "screen" or filter on the end of the pick up tube?

Do you reach through the sending unit hole and pull it off?

Because the pick up tube wont just pull straight out once I loosen it. It seems as though there is a screen or filter attached to the end of it. I think I can reach through the larger hole where the sending unit goes in, and pull it off the end of the pick up tube.....?

I'll post a video or pic of what I mean if I can....
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Old 03-09-2012, 06:32 PM
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Quote:
Originally Posted by cheb View Post
I understand what your saying...

I CAN access the sending unit and the pick-up through that hatch...even though its tight to work in.

But is there any other access hatches or ways to get into or access the tank other than those spots I mentioned? Is there another access under that leaning post if I remove it?

My pick-up is clogged with junk, tank is fine, no leaks.

Thanks guys.



.
Cheb,
I have a friend who was having fuel tank problems in his 30' Sea Sport, he hired a company to clean the tank, I happen to stop by the boat during the process, what they were doing was pouring some kind of chemical in the tank then using a large shop vac to clean the tank, they did this over and over, I asked him a few days later how his tank was, he said it was fine.
Hope that is of some help.
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Old 03-09-2012, 06:41 PM
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That fuel pickup went in the fitting and it will come out of the fitting at the tank. The screens they put on the pickup tubes only create fuel pump issues in the long run. A good racor will collect the garbage and allow you to change out when required.
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Old 03-09-2012, 06:42 PM
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Quote:
Originally Posted by cheb View Post
I understand what your saying...

I CAN access the sending unit and the pick-up through that hatch...even though its tight to work in.

But is there any other access hatches or ways to get into or access the tank other than those spots I mentioned? Is there another access under that leaning post if I remove it?

My pick-up is clogged with junk, tank is fine, no leaks.

Thanks guys.
Nope, what you have is what you get. A pie plate over the sender and pickup, a pie plate over the fill and vent fittings. But that is all a fuel tank cleaning company needs.
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Old 03-10-2012, 04:35 AM
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Did you say they were removing gasoline with a shop vac?
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Old 03-10-2012, 04:36 AM
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I don't know if there is any one in you area that polishes tanks and fuel but, check out this site. Might be someone close to you. www.usafuelservice.com
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Old 03-10-2012, 05:12 AM
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Quote:
Originally Posted by mike carrigan View Post
I concur.
Tank replacements are so very rare, the odds are way against it.

not true - i've replaced fuel systems in quite a few prolines - one proline,with a leaking tank,proline agreed to pay for the job...tank replacements are far from rare...
aluminum fuel tanks,installed in the way the prolines come from the factory,is not a permenanent thing - meaning,it's gonna require replacement - 10yrs is about the magic number.those fuel fill,vent and engine feed hoses - those require replacement as well - unfortunatley,on some boats,that's a job,that's almost impossible,without cutting the deck.
i've never pulled a cap to replace a fuel system yet - way too much work,and potential for damage - decks are bonded to stringers,this is a potential for big problems attempting to break this bond...
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Old 03-10-2012, 05:13 AM
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I think you are making this process more difficult than it has to be.

Remove the fuel sender and you have a 2" hole to work through. This is plenty.

I recently had my tanks cleaned out by a pro here in Ft Lauderdale, and he essentially just hooked up a high pressure pump which filtered and circulated the fuel. He pumped it all out, used some of that filtered fuel to "pressure wash" the inside of the tank, and sucked everything out again. Worked great, he did absolutely everything through the standard sender hole in top.

http://www.thehulltruth.com/boating-...h-florida.html

Whatever you do, DON'T use a shop vac near your fuel tank.
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Old 03-10-2012, 11:12 AM
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I understand....


here is the opening I have to work with...












I plan to drain fuel, clean tank through sending hole, remove old clogged pick-ups,....then install new sending unit and new pick-ups. And also install new hatch. Not going to mess with removing leaning post or anything(since there's no more access).


.

Last edited by cheb; 05-25-2012 at 08:00 PM.
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Old 03-10-2012, 11:27 AM
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Cheb,just so you know mark the placement of the sender before you remove it, the screw pattern is not evenly spaced and it must be replaced in its original location.
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Old 03-10-2012, 11:55 AM
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Quote:
Originally Posted by Fiberglass1 Inc View Post
Did you say they were removing gasoline with a shop vac?
No, I wrote they were cleaning the FUEL tank with a shop vac,the boat in question is a diesel powered boat, however I asked about the shop vac and was told it is a sealed spark protected motor designed for fuel cleaning.
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Old 03-10-2012, 03:10 PM
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Hi cheb,
Actualy you do have a bigger hole to work with. Remove the outer ring of the spin off & there will be a lot more wiggle room. As for the new square hatch, will there be enough clearance over the tank fittings to install it? It is difficult to see from the pics. Will the proposed hatch be strong enough? Is it designed to be walked on or is it for use as a hatch in a vertical surface?
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