Asus RS160-E4/PA4 - Manual (Page 20)

Chapter 2: Hardware setup 2-4
2. Firmly hold the cover and slide it
toward the rear panel for about half
an inch until it is disengaged from
the chassis.
5. Lift the cover from the chassis.
2.1.3. Installing.the.top.cover
1. Position the cover on top of the
chassis with the thumbscrews on the
rear, and leaving a gap of about half
an inch from the front panel.
3. Slide the cover toward the front until it snaps in place.
4. Tighten the thumbscrews on the rear to secure the cover.
2. Make sure that the side markings
on the cover (two on each side)
are aligned to the grooves on the
chassis.
Grooves
Side markings
Thumbscrews
1/2 inch
distance