Diesel-proof washers

chuzzlewit

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I can suck gunge out of my diesel tank be unscrewing a small access port on the top of the tank and inserting a pump . The black (rubber?) washer that seals it seems to be softening and stains my fingers black. What is the best material for the washer?
 

Evadne

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The diesel pipes on my engine have copper washers which is probably bombproof and of infinite life. If you can find a silicone rubber one that will probably work just as well, but you don't say how old the rubber one is, it may just need replacing with the same, but new.
 

seaesta

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I think that ONLY copper washers are approved these days not least because others are more prone to fail and get damaged by fire. Personally I had to use fibre washers on my previous engine because copper ones would not seal on the slightly uneven surfaces. The insurance would no doubt have wriggled if I had a problem and I am glad to be "cosher" again.
Martin
 

VicS

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[ QUOTE ]
You can make a new washer of any shape by cutting it out of an old bicycle inner tube

[/ QUOTE ] or car inner tube if a bicycle one is not big enough BUT is it resistant to diesel oil.
 
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