Bongo Fury

I'm having problems with my fuel gauge. It has an intermittent fault. I fill up and the gauge shows empty. After about 60 miles or so it shows half full and then steadily drops to the empty mark as I drive. Since this stated happening I reset my trip meter rather than rely on the gauge. Any ideas or suggestions would be welcome.
Thanks.

Common problem, comes up on a regular basis, easy fix, this thread explains all with pics - http://www.igmaynard.co.uk/bongo/forum/ ... =3&t=33920

Thanks missfixit70. That's nice and clear. I'll have look tomorrow.
Best regards,
Grant