This is how to create either a full-section view or a half-section view using the Offset View command. You don't always have to do both, but they both use the same command.
Importing a complete orthographic (front) view 0:04
Projecting the Full-Section View 0:29
Don't forget to turn off hidden lines in any section view! 0:48
Adjust the properties of the cutting-plane line 1:04
Rename the sheet 1:15
Insert a new sheet 1:24
Projecting the Half-Section View 1:33
Adjust Properties for the Half-Section 1:49