What type of the driver's activity is replacement of a wheel in the vehicle classified as?

In accordance with the regulations concerning the working time of professional drivers, the 'other work' category includes all activities that are work but do not involve driving a vehicle. Changing a wheel, like loading, unloading or daily technical maintenance of the vehicle, is such an activity performed as part of professional duties. The time spent on this activity must be appropriately recorded on the tachograph.