Chapter 4 Installation of 2U enclosures 19
To mount the 2U enclosure into the rack cabinet:
1. Confirm that the outer rails are properly and securely installed in the rack cabinet.
2. Complete the following actions to position the mechanical lift and the 2U chassis:
a. Using proper safety precautions, position the 2U chassis on the mechanical lift perpendicular to the lift
wheels.
b. Move the mechanical lift into position perpendicular to the rack cabinet so that the 2U chassis is parallel
to the opening and is a minimum of 12.7cm to 17.8cm (5 to 7 inches)away from the rack cabinet.
c. Adjust the mechanical lift height to be as close as possible to the allocated 2U location.
d. Moving only the 2U chassis, position it so the attached inner rails align with the outer rails in the rack.
Figure 12 Alignment between 2U chassis and rails (removed rear components for clarity)
3. Complete the following actions to properly secure the 2U chassis on the outer rails:
a. Keep the 2U chassis stationary on the lift.
b. Verify that both outer rails fully engage the 2U chassis inner rails.
c. Guide the chassis inward with the leading edge of each inner rail inside the top and bottom lip of the
outer rail.
d. Conduct a visual inspection of both sides to verify both inner rails are an equal distance along the outer
rail and that the direction is straight in, not at an angle.
4. Complete the following actions to insert the 2U chassis into the rack cabinet:
a. Facing the front of the enclosure, carefully exert even pressure on both sides of the storage enclosure
front, inserting the storage enclosure until the rack ear flanges are flush with the front rack posts.
b. Carefully lower the mechanical lift.
c. Thoroughly examine the rack rails for issues such as bowing, scraping, resistance, or indicators of
misalignment.
5. Complete the following actions to secure the 2U chassis:
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