Use
Simplify View to create a simplified view representation. You can edit the included components as needed to adjust the parts selected.
Simplification
panel
Simplify View.
:
Select components that will be included in the simplified model. The selected component visibility is temporarily shaded so you can continue selecting without these being in the way.
to View All components, to View Included components only, or only View Excluded components. When in the View Included selecting a component moves the component to excluded list. View Excluded works the opposite of View Included.
to finish.
Simplification
panel
Edit View.
Alternatively, in the model browser, right-click the view representation and click Edit View.