1 - Hair dryer - The different functions

The study that follows concerns a large number...

iFixit Library Hair Dryer Very easy No estimate Guide 169679

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Guide overview

Before you begin

The study that follows concerns a large number of the hair dryers on the market. There are variations, but the operating principle remains more or less the same. It is a simple object, so there is no particular difficulty in understanding how it works.

Step 1

Repair step

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The hair dryer, also known as a blow dryer in some regions, is an electromechanical device designed to dry hair using hot or cold air.
A hair dryer primarily consists of a motor that powers a blower mechanism and an electrical resistance, so that air drawn in on one side exits the other at a higher temperature. Read more on Wikipedia
The airflow produced as well as the temperature of this airflow can be modified using a multi-position switch or via a potentiometer (more rare).

Step 2

2 - Description

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Hair dryers consist of a body Reference 2 provided with a handle that receives the power cable Reference 4 and is equipped with a multi-position switch Reference 5
The back of the device is provided with a grille Reference 3 protecting a dust filter. The front is fitted with a diffuser Reference 1 which can be removable.