Spectra Logic Spectra 12K User manual

SDOC2002-16RevisionA

CounterweightReplacementGuide

•Spectra

®12KLibrary

•Spectra

®20KLibrary

•Spectra

®64KLibrary

CounterweightReplacementGuide

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

SpectraLogicContactInformation

UnitedStatesOffice EuropeanOffice

Mailing

Address SpectraLogicCorporation

1700N55thStreet

BoulderCO80301

USA

Mailing

Address SpectraLogicEuropeLimited

HampdenHouse

MonumentBusinessPark

WarpsgroveLane

ChalgroveOxon

UK-OX447RW

Phone

Fax

(800)833-1132or(303)449-6400

(303)939-8844

Phone

Fax

+44(0)8701122150

+44(0)8701122175

WebSite http://www.spectralogic.com

CounterweightReplacementGuide

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

CounterweightReplacementGuide

Introduction

AboutthisManual

This manual describes the procedure for replacing the counterweights in Spectra 12K,

20K, or 64K libraries.

Figure1 Thecounterweight.

CounterweightReplacementGuide

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

CounterweightReplacementGuide

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.

CounterweightReplacementGuide

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.

CounterweightReplacementGuide

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.

CounterweightReplacementGuide

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).

CounterweightReplacementGuide

6. From the front of the library, carefully slide the robotic rack assembly out of the

library (Figure 8).

Figure8 Slidetheroboticrackassemblyout(Spectra12K

libraryshown).

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