If its the style that I think it might be, then it has a hose with a screen on the end of it lying in the bottom of the tank. All you have to do is use some wire and inginuity and fish it out of there, it can be quite a pain. Thats the way it was on my older Cat and I don't know if I could have done it with the gas tank on the sled.
The in-tank "filter" is usually just a screen. Normally it is possible to snag the tube with the fuel gauge, but a wire is quite a bit easier. You can also remove them by unscrewing the fitting where the fuel line connects to the tank and pull it through there. I would also - or instead- put an actual inline filter outside the tank. I never mess with the fuel pick-up inside the tank.
Formerly known as 63November, and before that as Golsovia.