Lots of people seem to have dropped the tank without too much trouble. Not too heavy if its empty as it's plastic I think. Good opportunity to check the pipework for corrosion too.
yeah will do mate .i ve had a problem with it not reading right and sucking in air around the quater of a tank mark , so iam replacing the whole sender unit and pump .hopfully it will cure that problem we hope ..thanks again for ur advice ..cheers