It's an interesting problem for repair guides. Just how much do the steps need to be spelled out?

I've always used the Park Tool Repair Guides. They've really helped me on correctly adjusting front and rear derailleurs, and on installing or adjusting a handlebar stem. Some of the steps aren't that obvious at first, but are easy once explained and understood.

But even the Park Tool guides make some assumptions.

For instance, on the Dual Pivot Brake Service,

Step 2: Inspect that caliper is approximately centered to wheel (after wheel is centered in frame). Loosen mounting nut and move caliper arms until centered to rim. Re-tighten the mounting nut.

...But it doesn't explain or show that the mounting nut is reached from the back of the fork, and is recessed in a hole. And that it usually uses a 5mm hex wrench.


Step 4: Squeeze lever to test pad clearance. Use barrel adjuster to adjust pad clearance. Set clearance for approximately 3-4mm (1/8 “) per side from pad to rim. Draw slack from system using inner-wire pinch bolt if barrel adjuster is set out to its limit.

..."Draw slack" is a little tricky. I first turn the barrel adjuster to the middle of it's range. Then I loosen the pinch bolt that clamps the wire cable, then squeeze the brake pads by hand until they are almost touching the rim. Now I can re-clamp the cable, and it should be pretty close to the correct pad clearance.

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So the Park Tool pages are good for making sure you follow the procedure correctly, but some of the details aren't explicitly coverered.