Access the top cover screws by prying out the little covers one at a time.
Remove plastic screw covers.
After the screws are exposed, you can use a common Phillips head screwdriver to remove them.
Remove both screws.
Once the screws are removed, you can now take off the stock body cap.
If done properly, the riser seal and riser seat should still be in place.
You can now push on the turf cup body cap, while it's compressed tighten the screws.
Hold cap while tightening screws.
Tighten both screws.