MAGNAVOX PTV 910

I READ THE STEPS ON  HOW TO CLEAN THE GUNS ON A PTV 843, IS IT THE SAME?

AND DOES ANY ONE KNOW THE TOOL USED TO REMOVE THE BOLTS ON THE LENSES?

MY GLYCOL IS DIRTY

P.S IS THERE A DRAIN PLUG ON THE PTV 910 OR DO I HAVE TO USE A BASTER?