One of the hardest things I had to learn as a new manager was stepping back to let my team do the work rather than roll up my sleeves and complete the tasks myself. I had just come from a lead technical position and was actually more knowledgeable than many of staff members on how to solve problems. I had to fight the urge to look over their shoulders and give advice, especially when our clients were waiting for answers. Leila Towne has a quick podcast on the three most important things to do when delegating.

1. Get over the fact that no one will do the task exactly as you would. Your team members have different strengths and will approach things differently that you would. This is okay! Delegation frees you up for other tasks that require "big picture" thinking.
2. Start small with one task and, if needed, give the person some recommendations on how to approach it.
3. Step back, don't criticize and let the person do the work.

These are some great basic guidelines for learning to delegate. In #2 above, don't tell the person how to do the task. That would be direction, not delegation, but be very clear on the results that you want to achieve.

And in #3, build in a checkpoint or two so that you have the opportunity to make corrections if the person is really floundering. Finally, provide feedback after the task is done. What was good or innovative and what could have been handled differently for better results. Providing feedback helps them build confidence in their ability and gives you confidence that you will be able to delegate more important tasks and projects successfully.