[72lb4x4]

Drum brakes are pretty basic. If the manual isn't sufficient, then something else is the problem.

Only take one side apart at a time. That way you can look at the side that isn't taken apart to see how the other side goes back together.

Pay attention to the shoe with the short lining and how its oriented. Don't assume that the shoes are in correctly now. Check the manual for a pic or text that says where the short lining shoe goes.