Spectra Logic Spectra 12K User manual

SDOC2002-16RevisionA
CounterweightReplacementGuide
•Spectra
®12KLibrary
•Spectra
®20KLibrary
•Spectra
®64KLibrary

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2
Notices
Spectra Logic provides the unit “as is” without warranty of any kind, either expressed or implied,
including but not limited to the implied warranties of merchantability or fitness for a particular
purpose. In no event shall Spectra Logic be liable for any loss of profits, loss of business, loss of
use or data, interruption of business, or for indirect, special, incidental, or consequential damages
of any kind, even if Spectra Logic has been advised of the possibility of such damages arising
from any defect or error.
Information furnished in this manual is believed to be accurate and reliable. However, no responsibility
is assumed by Spectra Logic for its use. Due to continuing research and development, Spectra Logic may
revise this publication from time to time without notice, and reserves the right to change any product
specification at any time without notice.
Counterweight Replacement Guide: Spectra 12K Library, Spectra 20K Library, Spectra 64K Library
Copyright © 2002 Spectra Logic Corporation. All rights reserved.
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Phone
Fax
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[phone]
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[phone]
WebSite http://www.spectralogic.com

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Contents
Introduction................................................................................................4
Prepare the Library and Host System ........................................................6
Remove the Robotic Rack Assembly..........................................................7
Secure the Transport Tray........................................................................12
Remove the Counterweight......................................................................13
Replace the Counterweight ......................................................................17
Replace the Robotic Rack Assembly........................................................20

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Introduction
AboutthisManual
This manual describes the procedure for replacing the counterweights in Spectra 12K,
20K, or 64K libraries.
Figure1 Thecounterweight.

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EstimatedTimeRequired
This procedure should take approximately one hour.
MaterialsandToolsRequired
You will need a counterweight kit from Spectra Logic or from an authorized reseller:
You will also need:
• A #1 Phillips screwdriver
• A #2 Phillips screwdriver that torques to 11.5 lbs/inch
• A 5/32-inch Allen wrench
• The library door key

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PreparetheLibraryandHostSystem
Shut down the library while keeping the host interface connected to the host system.
1. Disable any backup software that might try to access the library.
Warning: Electric shock inside the library can cause injury or death.
Disconnect AC power before opening the library door.
2. Open the rear door (on 64K libraries only) to the library and switch off the power
button located at the lower left of the library.
3. If necessary, move the library to a location where you have full access to the front
of the library.
Caution: The library is heavy. Get help when moving the library.
• Spectra 12K and 20K libraries weigh approximately 275 lbs
(125 kg).
• The Spectra 64K library weighs approximately 880 lbs
(399 kg).
4. Use the library door key to unlock the front door of the library. You can now open
the door.

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RemovetheRoboticRackAssembly
1. With the door opened, look at the bottom of the library where the drives are
located.
If there is a hinge connecting the left side of the drive slots to the back of the
library (Figure 2), go to Step 2.
If your library does not have a hinge (Figure 3), go to Step 4.
Figure2 Hingelocatedbeneaththedrives. Figure3 Nohinge.

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2. Remove the drives from the drive bay, so that you have access to the screws that
are attached to the robotic rack.
3. Using the appropriate screwdriver, loosen the screws just enough to move the gate
out of the way from the robotic rack assembly (Figure 4).
• The Spectra 12K and 20K library has three screws in the door.
• The Spectra 64K library has five screws in the door.
4. Unplug the 25-wire black connector at the bottom front of the robotic rack
assembly (Figure 5 and Figure 6).
Figure4 Loosenthescrewsfromthedriveslotdoor.
Figure5 Unplugthe25-wireblackconnectoratthe
bottomfrontoftheSpectra12Kand20Klibrary. Figure6 Unplugthe25-wireblackconnectoratthe bottomfrontoftheSpectra64Klibrary.

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5. Using the #2 Phillips screwdriver, attach the screws that hold the robotic rack
assembly to the chassis: first the top, then the bottom (Figure 7).
Note: Some Spectra 12K library models have only four screws attaching
the robotic rack to the chassis.
Figure7 Thescrewsthatholdtheroboticrackassemblyto
thechassis(Spectra12Klibraryshown).

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6. From the front of the library, carefully slide the robotic rack assembly out of the
library (Figure 8).
Figure8 Slidetheroboticrackassemblyout(Spectra12K
libraryshown).