If necessary, make additional adjustments to align your model.  After initial loading, the model will be in editing mode automatically. If you have exited this mode, double click on your model to enter model editing mode again. A blue ring will appear around the model to show its extents and the model editing toolbar will appear at the bottom of the viewing window.

For all tools, hold the ALT key to lower mouse sensitivity by 10x when performing the action

Further reading on Model Alignment

Align Model to Point
Scale Model
Move X/Y
Move Z
Undo/Redo Models
Deleting Models