Loosen up the gooseneck bolt, tap it on top with a plastic hammer or use a thin board and a real hammer it will pop the clamping device inside the fork.
Stradle the front wheel and twist the bars back and forth pulling gently up.
If its dirty clean it up. DO NOT use ANYTHING with oil grease ect. Wire brush
old clean rag. Cresent wrench to remove big nut on top, then top race. BE CAREFUL. On some bikes the ball bearings ore LOOSE. If you loose any you HAVE to replace or find them. The bottom is the same. Use a good grease
clean the bearings,race and pack the top & bottom race and put the bearings back. Slide the 26' FRONT fork in and reassimble. A 24' don't have the room &
if you are using a fender no way. Hope this helps Saddletramp