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Old 10 April 2006, 10:46   #11
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Quote:
Originally Posted by codprawn
Is it too obvious to say that you shouldn't fill it quite so full???
Yes anyway the breather seems to leak even when it isn't right full, fuel slops around a fair bit when you are bouncing across the South Atlantic

Plus it is still venting into the battery compartment, which I am still not happy about and the more I think about it the less happy I get, in fact I can't believe I didn't go "aaaagh" when I first saw it.

When I get a second seat installed (awaiting a reply/fright from Humber on the cost) I'll have another compartment to play with and I think the battery and isolator might get relocated to that as I would be a lot happier if they were separate from the tank! I have been thinking about it this morning and I figure I can make up and fit a remote breather next weekend using a brake bleed screw threaded into the top of the tank, a length of flexible pipe and a "BT special" vent going out the back of the console, which has got to be an improvement. That way I can seal the tank cap completely and it will stop the leak.

I'll go down later and take some pics, assuming it stops raining cats, dogs, elephant seals, chickens, giraffes, penguins, hyenas and wild boar (its raining quite hard ... way past just cats and dogs) and post them later.

Thanks
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Old 10 April 2006, 10:49   #12
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I wouldn't like it venting into the console either. On my boat the rear tank breather comes out of one of the seats and the front one comes out of the side of the console.

Remember to make your breather big enough and make sure it doesn't get kinked or you will soon be stranded.

It is suprising how many breakdowns are caused by breather problems.
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Old 10 April 2006, 11:12   #13
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I have just been getting together bits I need (benefits of working in a place selling LR parts ) and it is only going to be about a foot long anyway so should be OK - basically a modded Defender brake caliper bleed screw into the top of the tank, a few inches of plastic tube, an inline filter attached to the inside of the console, then more plastic tube up to a vent out the back of the console pointing downwards so as not to let any water in.

KISS (I hope)

photos to follow
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Old 10 April 2006, 11:13   #14
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You must be a mind reader - was just going to suggest Land Rover parts - just been extending the axle and tank breathers on mine!!!
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Old 10 April 2006, 12:25   #15
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Quote:
Originally Posted by BogMonster
...Plus it is still venting into the battery compartment, which I am still not happy about...
Och, aye wundnae wurrie too much, the battery is venting hydrogen into there anyway.
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Old 10 April 2006, 12:28   #16
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OK

100 lines for me

I am a pillock
I am a pillock
I am a pillock
I am a pillock
I am a pillock
I am a pillock
I am a pillock
I am a pillock
[snip]

I have been around EFI systems too long....

I went back for a look at lunchtime, and pump all the rainwater out (they should put this thing in the middle of the Sahara, the place would be green by a week on Thursday, it collects so much rainwater...)

I looked at the plumbing yesterday, yep, two pipes coming out the tank unit, yep, that'll be the feed and return then, no breather to be seen.

Er

no

Fuel feed to motor and large bore breather pipe...

....which has a rather large kink in it at one point....

....right in full view.

Doh!!!

If I had bothered to look properly rather than peering stupidly at the source of the leak I would have noticed that the second pipe takes off towards the sharp end, not the end with the engine on, and ends on a vent thing high up on the front of the console!

10/10 to Mr Prawn then and 0/10 for me

There is no way it could be on there and not have a kink in so I think the tank unit needs to come out and be rotated about 45 degrees - as it is at the moment, the pipe is hard against the side of the console which is why it has a kink in it. Dodgy assembly I guess!

Thanks for the input and sorry I have been a complete muppet....
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Old 10 April 2006, 13:19   #17
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At least you found it, but please do vent it outside with one of those nice fittings.

Pete
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Old 10 April 2006, 13:44   #18
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Not trying to hijack the thread, but:
Quote:
Sad news.....She blow up last week. I had orderes a guy to weld on the fueltank, and it blow up...he spend 4 days in the hospital and the next 12 weeks with his arm i bandages.
What kind of welder would work on a fuel tank without emptying, flushing with water, and leaving it full of water (I'm pretty sure that's standard practice on that one.) Certainly not with any way of fumes remaining inside (or worse yet, gas...)

jky
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Old 10 April 2006, 14:26   #19
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Good question, I used to watch the welders leave a hose pipe in a tank over night before emptying. This was a stainless steel tank glassed in but I put a 6 inch inspection hatch in with bolts so he didn't even bother to take this out and clean out the tank.

Pete
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Old 14 April 2006, 15:07   #20
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All sorted now

the problem was in fact the kinked breather pipe leaking, not because it was kinked (nothing I can do about that, a large bore pipe with no room for a natural curve but it still lets plenty of air through when you blow through it) but had gone "hard" at the end going on to the tank and just wasn't sealing. Bit of vaseline, pushed it on harder and a jubilee clip to make sure it was a tight fit, and it is fine. It breathes out through a fitting on the front of the console, which has a fine gauze filter in it as in the attached pic. I wanted to turn the tank unit round but can't because of the way the fuel sender is installed.

I think everything is fuel and air tight now because I took the breather outlet off, blew down the pipe to pressurise the tank then put my thumb over it for a while, and when I released it there was still pressure in the tank so hopefully no more leaks nasty smell of petrol has all but gone from the inside of the console too, and having been away and bounced over a few waves this afternoon it is all nice and dry under there so hopefully the crown jewels are safer now
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