Unpacking a 4U control enclosure
Before you unpack a 4U control enclosure, ensure that you review and follow all related instructions.
Before you begin
CAUTION:
CAUTION:
To avoid personal injury, before lifting this unit, remove all
appropriate subassemblies per instructions to reduce the system weight. (C012)
Important: Before you unpack, move, install, or service the enclosure
and its parts, always complete the following tasks:
- Read and follow the safety notices and instructions, as described in Safety notices and considerations for 4U enclosure
- Read and follow the guidelines that are described in Weight considerations: 4U enclosure.
- Ensure that a suitably rated mechanical lift is available to support the weight of the enclosure when it is moved out of the packaging and inserted into the rack for installation.
About this task
Procedure
-
Remove the cardboard tray that contains the rails and set it aside in a safe place as shown in
Figure 1.
Figure 1. Tray containing rail kit 
- Fold down the sides of the box as shown in Figure 2. If necessary, carefully cut along the
lower fold line of the sides and remove them.
Figure 2. Folding the cardboard 
- Remove the foam pieces from front and rear sides of the enclosure. Refer in Figure 3.
Figure 3. Foam removal from enclosure 
- Position the lift next to the enclosure, level lift with the bottom side of enclosure as
shown in Figure 4.
Figure 4. Moving on to lift 
- If you are using lift, two people need to push the enclosure sideways onto the adjacent
lift bed. Enclosure needs to be placed on lift as shown in Figure 5.
Figure 5. Enclosure on lift 