This gasket ensures a watertight connection between the installation trunk and the bottom of the transducer shaft sleeve. During the installation process, make sure that the gasket is kept safe from damage, and that the top of the installation trunk is kept clean, smooth and without physical damage such as scratches or dents.
NoteMake sure that the gasket is undamaged without cracks or signs of wear.
Make sure that the gasket is NOT covered with grease or lubricants.
If you suspect that the gasket is damaged, replace it. If the gasket has been contaminated with dirt, grease or lubricants, it must be replaced.