The LDE models do not have a pop-open top. You must remove the front panel first by taking out 2 screws near the bottom.

Then, remove the front panel:

With the front panel removed, the next step is to remove the drum cover itself. If you want to replace the belt, blower, or motor, this is the next move:

One further tip regarding the LDE series....the new belt must go on with the
flat side to the drum, not the ribbed side as on other dryers.