Lawnmower leaks

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Caretaker

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Lawnmower leaks
« on: June 04, 2008, 17:59 »
It's my lawnmower tank that leaks, it is a plastic one and it is the bottom were the pipe comes out.
I have got it on the bench and put a little petrol in the tank to see the place it is coming from.
It is like a seam on the bottom and the petrol pipe attaches to this.
I am thinking of Aroldite or car body filler, any suggestions?
I can get the tank off easy and the part that leaks is a square bit with the pipe molded in the center, all plastic.
It is the outside square edge seam.
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richyrich7

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Lawnmower leaks
« Reply #1 on: June 04, 2008, 20:12 »
Car parts shops sell a petrol proof putty on a stick you just cut a bit off and need to activate that may work better than araldite etc.
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Gwiz

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Lawnmower leaks
« Reply #2 on: June 04, 2008, 21:39 »
I've used fibre glass in the past ( racing motorbikes used to have fibre glass tanks) they're still not leaking after several years..... :D

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Caretaker

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Lawnmower leaks
« Reply #3 on: June 04, 2008, 22:16 »
Fibre glass it is, wish me luck.
Will get some Saturday or Sunday.
Thanks Reg

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owein

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Lawnmower leaks
« Reply #4 on: June 04, 2008, 22:28 »
I'd go for the putty option myself, much quicker and less messy.

I had the same problem with my strimmer and a quick fix with an epoxy putty sorted it. I used milliput (epoxy modelling putty) :D

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tweeky

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Lawnmower leaks
« Reply #5 on: June 04, 2008, 23:37 »
You may laugh at this, but a glue gun with ordinary glue sticks in it as opposed to wood glue will fix loads of things.

If your brave enough and know how to use a soldering iron, you can can seal cracks in plastic by melting the crack over itself, but can be a bit tricky.

The other suggestions are good though.

I once cured a leak on my petrol tank hundreds of years ago, with a bit of chewing gum...Wrigley's spearmint of course, bit of gunk over it...passed at least four MOT's. Nothing but the best for me. :roll:

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Gwiz

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Lawnmower leaks
« Reply #6 on: June 05, 2008, 05:52 »
Quote from: "Caretaker"
Fibre glass it is, wish me luck.
Will get some Saturday or Sunday.
Thanks Reg


to get the best results, clean the area well with a little methylated spirit, and then roughen it with some sandpaper.
 :D

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Caretaker

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Lawnmower leaks
« Reply #7 on: June 07, 2008, 20:48 »
I have done the fiber glass in on the tank and it looks a good job.
I will test for leaks Sunday, I put 2 coats on just to make certain I got the leak.
I did notice that it looked like there was some glue on the join but as it is over a year ago.
I have been using an old mower from ebay for a year but it is rusting away, may try more glass fiber on the old one.
What I was going to say was as I am going up to Scotland in 2 weeks time, I decided to get some oil and spark plugs for Halfords for the car.
I was amazed at the price off plugs £19.99 for 4, used to be £2 each, and seems you can only buy Halfords oil, no Duckhams, castrol, shell.
Did find the staff good and helpful in finding the fiber glass.
Sorry to get off the track about gardening.
Reg

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Gwiz

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Lawnmower leaks
« Reply #8 on: June 08, 2008, 05:49 »
I know what you mean about the spark plugs. They are very expensive, compared to what they were a few years ago.
I hope the fibre glass does the job for you.I've used it many times to fix leaks on unreplaceable tanks, I've also used it to repiar a few dodgy mower decks, but only to patch over a couple of holes caused by either rust or stones.....

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Caretaker

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Lawnmower leaks
« Reply #9 on: June 08, 2008, 15:14 »
Oh it's great, no more leaking and after a year it started first pull.
I am going to repair my old one as that has some rust holes on the casing.
Thanks for all the advise, I will have the best cut grass over the allotment.



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