Title: Service a diaphragm-type carburetor.
Course: Small Engine Technology I (20110-I) > Section: Diagnosing and Servicing the Fuel System

Servicing should follow manufacturer’s specifications and instructor’s guidelines and include

- conducting a pressure/vacuum test
- checking condition of diaphragm
- checking condition of primer system
- inspecting passageways for obstructions.

Process/Skill Questions:

- What is the composition of the diaphragm?
- Where should the spring fit on the diaphragm-type carburetor?
- Why does a carburetor need a diaphragm?