Dell EMC Unity Series Field Upgrade Procedure page 16

Field Upgrade Procedure
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Unity All Flash and Unity Hybrid Field Upgrade Procedure
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Figure 8 Removing an enclosure from rails 49" or less above the floor
a. Place the strap around the lift and the enclosure.
b. Insert the free end of the securing strap into the slot on the ratchet
mechanism. Pull the ratchet handle down to tighten the securing strap
around the lift and the enclosure. Refer to
Figure 9 Tightening the Straps
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c. Make sure the enclosure is securely strapped to the lift before moving.
Lower the lift to its lowest point of travel.
This allows the enclosure to be moved with minimal danger of tipping over.
Tightening the Straps
CL5429
CL5432