Timer induces the washing machine to perform washing in the exact specified length of time. The start switch in the machine is generally a part of the timer knob and helps in the setting of the time for the proper cycle of washing to take place. Pulling or pushing the knob makes it to activate accordingly. There are two types called the digital and mechanical types. It can be installed only with the help and advice of the professional repair person.
Whatever you decide to do, be sure that you're making an informed decision. Whether you opt to try your hand at DIY Maytag washing machine repair or you choose to scrap the old, worn-out unit in favor of a shinier model, it's your responsibility as a consumer to educate yourself about all of the available options.