Title: Diagnose needed repair for self-propelled drive system on walk-behind mower.
Course: Basic Small Engine Repair (20109) > Section: Diagnosing and Servicing Lawn Mower

Following manufacturer's specifications and instructor's guidelines, process should include

- checking engagement and disengagement of drive system
- adjusting, repairing, or replacing if needed
- replacing or adjusting drive cogs if equipped.

Process/Skill Questions:

- What does the term self-propelled mean?
- What safety factors are involved with proper repair?
- How many different types of self-propelled mowers are there?