81
Installing and Upgrading Internal Components in Cisco 3800 Series Routers
OL-5975-04
Removing the Power Supply Assembly from a Cisco 3825 Router
Step 3 Remove the router from the rack. Remove the rack-mounting brackets from the router using the
number 2 Phillips screwdriver.
Step 4 Place the router on a flat surface. Remove the three screws from the top of the router and set them aside
in a safe place.
Step 5 Remove the three screws on each side panel and set them aside in a safe place.
Step 6 Slide the cover toward the front of the chassis (about 1 inch [25 mm]). See Figure 48.
Step 7 Lift the cover away from the router base.
Step 8 You must remove the Cisco 3825 power supply to replace it or to access components on the
motherboard. Continue with the “Removing the Power Supply Assembly from a Cisco 3825 Router”
procedure on page 81.
Figure 48 Removing the Cover from a Cisco 3825 Router
Removing the Power Supply Assembly from a Cisco 3825 Router
The power supply assembly in a Cisco 3825 router consists of the power supply and the tray on which
it is mounted.
To remove the power supply assembly from a Cisco 3825 router, either to replace the supply or to access
the motherboard, follow this procedure. You need a number 2 Phillips screwdriver.
1 Slide cover toward front 2 Remove cover from base
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