Figure 15 Removal of semi-captive screws
Shelf removal
This section describes how to remove a shelf from a rack.
Working with the portable lift
If a shelf with all of the FRUs removed is being installed, the chassis can be installed
without using the lift. If the shelf is populated with FRUs prior to installing, then this
task requires the use of a portable lift.
The portable lift commonly used by EMC service personnel is manufactured by Alum-
A-Lift. Instructions for this lift are included in the lift kit. Refer to "http://
www.corkc4.isus.emc.com/wiki/index.php/Lift_Tool". which describes the Lift
equipment, the ordering process, and Links to training material. The Lift Tool Training
Video and Demo on Lift tool using the Voyager assembly (Voyager is the name given
to a Disk enclosure used on many of EMC's product range), are also linked on this
page.
If you are using a portable lift other than the Alum-A-Lift, adapt these instructions as
necessary while following all required safety requirements.
The portable lift commonly used by EMC service personnel has two
configurations - one with the lower mast only and one with both the lower and
upper masts. The lower mast configuration is rated for 400 pounds and is for
raising or lowering objects 28U (49 inches) or less above the floor. The dual mast
configuration is rated well under 200 pounds and is for raising objects more than
28U (49 inches) above the floor.
l
For installations at or below 49 inches, you must use the lower mast
configuration.
l
For installations above 49 inches, use the "Voyager" conversion kit, rated for
225 pounds, and a support table with the lower mast configuration.
Planning your lift
You can use the lift positioned along the side of the shelf or directly in the front of it.
If possible, position the lift adjacent to the LONG side of the enclosure. This reduces
the front clearance required to 50". Aligning the portable lift perpendicular to the
chassis also reduces the possibility of the chassis sliding off the lift and negates the
requirement to adjust the arm width to approximately 17".
Shelf Installation and Removal
Shelf removal 35
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