How to install o ring seal for oil filter case for 1991 honda accord lx?

The spindle that hold the oil filter on IS removable. Either an allen wrench that goes ';inside'; the hollow spindle or a wrench on the outside ';base'; of the spindle. After removal of the spindle the oil filter housing will be semi-free, enough to do your work. Make sure any %26amp; all gaskets replaced or removed are ';contaminate free'; (dirt, rust......yada yada) and oiled prior to placement %26amp; you should be fine.