The number of connected assets is displayed on the right hand side of the tasks tab.

Select the toggle to view all Tasks that are not connected to an Asset. 

To allocate a task to an asset, highlight the required task with , then select to view the below window.

Select  then from the drop-down, or enter the appropriate asset for the task to be connected to.

To disconnect a task from an asset select the required tasks with , then select to view the list of connected assets.

Click on the asset to highlight it, then select .