Nokia 500s Installation Manual page 39

Before You Begin
c. Slowly pull the fan unit out of the chassis toward the rear.
00318.1
3. Optionally, remove the power supplies from the rear of the appliance.
a. Locate the power supply on the back of the 500s appliance and the two
screws that secure it.
00308a
Power supplies
b. Remove the two retaining screws.
c. Remove the grounding lugs.
Nokia 500s Installation Guide 39