This is all video, makes learning bicycle repair much easier then just reading a post.

How to adjust cantilever brakes
How to overhaul a threaded headset
How to adjust your seat height and angel
How to clean and lubricate a chain
How to replace a freehub body
How to overhaul wheel bearings

.....and much,much more, check it out.

The Bicycle Tutor - Bike Repair Video Tutorials by Alex Ramon