The featured should be always kept dry for proper functioning of the machine. Since it is electronically connected, spraying of water and other greasy elements or soapy water results in the damage of the timer. Hence after the washing process, it should be kept clean and dry. Installation of a new one can be made with the help of an experienced service person. It helps in setting certain cycles in the movement of the washing machine and the knobs should be used with proper care.
You probably wonder why there is a need to look for washing machine spare parts. It is easier to simply entrust concerns with repair men and centers. Not all repair personnel and shops have the parts you need though. Some may offer to shop for you. Yet some will have you look for parts yourself.