Opening The Door - Cisco 1240 Hardware Installation Manual

Chapter 4 Opening the Router Chassis
D E C . 2 0 1 1 — E F T R E V I E W D R A F T — C I S C O C O N F I D E N T I A L
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Figure 4-2
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2

Opening the Door

To open the door, use a box-end or socket wrench to loosen all six captive screws in the order shown in
Step 1
Figure
The screws cannot be removed from the door.
Note
After all six screws are loose, swing the door open on the left-side hinges, as shown in
Step 2
The door gasket creates a seal when the door is closed, so the door might open suddenly when the last
Caution
screw is loosened.
OL-26223-01
When opening the door, alternate loosening screws on each side of the chassis, in the order shown
in Figure 4-1, to evenly release the door pressure.
When closing the door, do not tighten the screws on the hinge-side of the door first. Tightening the
screws on the hinge-side first can place too much pressure on the door hinges.
Recommended Order of Loosening and Tightening Screws
4-1.
5
6
Figure 4-3
Cisco 1240 Connected Grid Router Hardware Installation Guide
Opening the Router Door
1
4
is a detailed view of a captive screw.
Figure 4-4.
4-3