It did need it Roy. But it wasn't something i was familiar with. The primary seemed ok. But i noticed the focuser was slightly canted. I attempted to rotate the focuser, as I've noticed these things in the past often are not perfectly circular. As luck would have it, as i rotated i saw the lean disappear. When i did a star test i could see there also their was a slight lean, i think i put my hand in front of the tube to see which side was leaning. Then tried to locate the hex collimation bolt nearest. Again as luck would have it. As i started adjusting i could see the star becoming more uniform, Until i got to a point where it looked even with a 10mm eyepiece. The out of focus star on my avatar on the left here is my collimated Cassegrain. As you can see it looks pretty concentric. There are procedures online though.
A much more thorough explanation here. Hope it helps
Collimating GSO Classical Cassegrain - Cats & Casses - Cloudy Nights