Spectra Logic T-Series Spectra T950 User manual

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Spectra T950 Library
VAX Bumper Replacement

June 2013 VAX Bumper Replacement—Spectra T950 Library 2
Copyright Copyright © 2013 Spectra Logic Corporation. All rights reserved. This item and the
information contained herein are the property of Spectra Logic Corporation.
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Part Number 90940138 Revision A
Revision
History
Contacting
Spectra Logic
Revision Date Description
A June 2013 Initial release
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3
VAX Bumper Replacement
This guide describes the procedure for replacing the vertical axis (VAX)
bumpers that are located at the base of the VAX column in the Spectra™
T950 library.
PREPARE FOR MAINTENANCE
This section describes the tasks required to prepare the library for
maintenance.
ESTIMATED TIME TO COMPLETE
Replacing the VAX bumpers requires approximately 30 minutes.
Gather Required Tools
You must have the following to complete this procedure:
Large binder clip
Lint-free cleaning wipes
Foam applicators
VAX grease (PN 90948215 or 90949168, white in color)
X-acto®knife or similar tool
Replacement VAX Bumper FRU (PN 90949258), which includes:
(2) VAX bumpers (PN 90940201)
Alcohol wipe
Loctite® 380 Black Max adhesive
Figure 1 Replacement VAX Bumper FRU from Spectra Logic.

Estimated Time to Complete Ensure ESD Protection
June 2013 VAX Bumper Replacement—Spectra T950 Library 4
Ensure ESD Protection
The repair environment for the library must be free of conditions that
could cause electrostatic discharge (ESD). To protect the library from ESD,
follow these procedures when repairing or testing the library:
Place a static protection mat on the work surface used while removing
and installing library components. Use a 1-megohm resistor to ground
the static protection mat.
Wear a static protection wrist band or grounding foot strap whenever
you handle library components that have been removed from their
anti-static bags. Connect the wrist band to the static protection mat or
to other suitable ESD grounding.
Keep all electronic components in anti-static bags when not in use.
Discontinue Operations Running on the Library
Backups cannot run during the VAX bumper replacement process.
1. Use your backup software to stop any backup or restore operations
running to the library.
2. Use your backup software to move any cartridges that are currently in
drives back to their storage locations.
If you cannot use your backup software, then move the cartridges as
described in your library’s User Guide.
3. Pause PostScan, if it is running, as described in your library User Guide.
Any tapes currently being scanned are returned to their storage
locations.
Note: PostScan will only be paused for one hour.

Estimated Time to Complete Prepare the VAX Column for Service
June 2013 VAX Bumper Replacement—Spectra T950 Library 5
Prepare the VAX Column for Service
Use the Park Robot to Far Right utility to position the VAX column for
service.
1. Log into the library with superuser or administrator privileges.
2. From the toolbar menu, select Maintenance > Tools. The Maintenance
Tools screen displays.
3. Select Utilities. The Utilities screen displays.
4. Click Show Advanced. The Advanced Utilities Confirmation screen
displays.
5. Click Next. The Utilities screen refreshes to show a list of the advanced
utilities.
6. Scroll through the list of advanced utilities and select Send Controller
Command.
The screen refreshes to show the details for the Send Controller
Command utility.
7. From the Select a command to send drop-down list, select Park Robot to
Far Right.
8. From the Select a target controller drop-down list, select Motion Control.
9. Click Run Utility.
A progress screen displays. When the operation is complete, a Utility
Results screen displays. The VAX column is now parked in an
accessible position on the right-hand side of the library.
Figure 2 The Send Controller Command Utilities screen.

Estimated Time to Complete Remove the Right Side Access Window Panel
June 2013 VAX Bumper Replacement—Spectra T950 Library 6
Remove the Right Side Access Window Panel
Use the following steps to remove the right side access panel from the
library.
1. Use a 1/8-inch Allen wrench or hex screwdriver to remove the screw at
the bottom of the window panel.
2. While holding the panel steady, slide it up to disengage the panel from
the hangers on each side of the chassis (three per side).
3. Lift the panel off of the hangers, out and away from the frame.
4. Set the panel aside.
Figure 3 Remove the screw at the
bottom of the window panel.
Figure 4 Slide the panel
up to disengage the hangers.
Figure 5 Lift the panel out
and away from the frame.

Replace the VAX Bumpers Secure the Transporter
June 2013 VAX Bumper Replacement—Spectra T950 Library 7
REPLACE THE VAX BUMPERS
This section describes the tasks required to replace the VAX bumpers.
Secure the Transporter
1. While supporting the transporter from underneath, move it up to the
middle of the VAX column.
2. Use a large binder clip to pinch the two sides of the VAX belt together,
securing the elevated transporter in place.
Note: The VAX belt is the long belt located on the left side of the VAX
column, as viewed from the front of the transporter.
Figure 6 Clamp the VAX belt to secure the transporter.
VAX column
VAX belt

Replace the VAX Bumpers Replace the VAX Bumpers
June 2013 VAX Bumper Replacement—Spectra T950 Library 8
Replace the VAX Bumpers
Use the following steps to replace the VAX bumpers located on the VAX
column’s bottom hard stop.
1. Using an X-acto knife or similar tool, remove the original VAX bumpers
and any residual adhesive from the bottom hard stop.
2. Using the alcohol wipe provided in the FRU kit, wipe clean the VAX
bumper mounting surfaces on the hard stop.
3. Create a better surface for the Loctite to adhere to by scoring the VAX
bumper mounting surfaces. Use an X-acto knife or a similar tool.
4. Attach the VAX bumpers to the hard stop.
a. Apply a small drop of Loctite 380 (approximately 3/16-inch in
diameter) to the two VAX bumper mounting areas on the hard stop.
b. Using a foam applicator, spread each drop over the mounting
surface. Leave approximately 1/16-inch clear margin around the
edges of the mounting area.
c. Allow the adhesive to dry for approximately one minute, until the
adhesive becomes slightly tacky.
d. Carefully place a bumper in the center of each mounting area.
Adjust the bumper if necessary, until it is correctly centered.
e. Apply firm pressure to the VAX bumpers for two minutes.
f. Using the X-acto knife, remove any glue that spread past the edges
of the hard stop.
Figure 7 Remove the VAX bumpers from the bottom hard stop.
Bottom hard stop

Replace the VAX Bumpers Lubricate the Linear Rail
June 2013 VAX Bumper Replacement—Spectra T950 Library 9
Lubricate the Linear Rail
1. Using a lint-free cleaning wipe, remove any debris or old grease from
the entire length of the VAX rail, especially in the bearing grooves on
the sides of the rail.
2. Use a foam applicator to apply four thin, evenly spaced, 1-inch long
strips of VAX grease (white, PN 90948215) in the bearing groove along
each side of the VAX linear rail.
Notes: You can use any non-shedding, non-scratching applicator to
apply the grease.
Do not apply an excessive amount of grease.
Figure 8 Clean the linear rail, including the bearing grooves.
Bearing grooves
Figure 9 Apply four, 1-inch strips of VAX grease in the bearing groove along each side of the VAX
linear rail.
VAX linear rail
~1 inch of grease applied
to VAX linear rail
Bearing groove

Replace the VAX Bumpers Lubricate the Linear Rail
June 2013 VAX Bumper Replacement—Spectra T950 Library 10
3. Apply a thin layer of VAX grease to the flat surface of the linear rail to
prevent potential oxidation.
4. While supporting the transporter from the bottom, remove the binder
clip and slowly move the transporter from the middle to the top of the
VAX linear rail and then allow the transporter to slide down to its
resting position.
As the transporter moves along the linear rail, the bearing mounts
distribute the grease along the rail.
Note: As you move the transporter, listen for any abnormal sounds (for
example, metal-on-metal grinding or screeching). Contact
Spectra Logic Technical Support if you hear any any abnormal
sounds (see Contacting Spectra Logic on page 2).
5. Use a lint-free cleaning cloth to wipe away any excess grease that
collects at the top and bottom ends of the VAX linear rail.
Note: Do not use alcohol on the wipe.
Figure 10 Apply a thin layer of VAX grease to the new linear rail.
Figure 11 Excess grease pushed to the end of the VAX linear rail.
Flat surface of the
linear rail
Remove
VAX linear rail
excess grease

Complete the Procedure Reinstall the Right Side Access Window Panel
June 2013 VAX Bumper Replacement—Spectra T950 Library 11
COMPLETE THE PROCEDURE
Use the following instructions to reassemble the library.
Reinstall the Right Side Access Window Panel
1. Lift the panel and position the openings on the back of the panel on the
hooks on the sides of the opening in the end of the frame (see Figure 3
through Figure 5 on page 6).
2. While holding the panel steady with one hand, slide the panel down
into place.
3. Use a 1/8-inch Allen wrench or hex screwdriver to install the screw at
the bottom of the side panel.
Verify Operations
Perform the following test to confirm that the library is functioning
properly. The test takes approximately 10 minutes, after library
initialization.
1. Once the right side access panel is in place, verify the library and the
VAX column re-initialize.
2. After the VAX column fully initializes, approximately 10-30 minutes,
use the front panel to move any tape from one slot to another or from a
slot to a drive. Move the tape back to its original slot.
3. Select Maintenance > Diagnostics. The Diagnostics screen displays.
4. Select All Motion Basic Tests. The screen refreshes to display
information about the selected diagnostic.
Figure 12 The All Motion Basic Tests Diagnostics screen.

Complete the Procedure Restart Backups
June 2013 VAX Bumper Replacement—Spectra T950 Library 12
5. Click Run Diagnostic. Progress screens display as each test runs.
6. When all of the tests are complete, the Diagnostic Results screen
displays. Each of the individual tests run by the diagnostic has a report
of Success, Warning, or Fail.
If all of the tests results are Success, skip to Restart Backups on
page 12.
If a test result is either Warning or Fail, proceed to Step 7.
7. Click Detail on the Diagnostic Results screen to view detailed result
information.
8. Follow any instructions provided on the results screen to resolve the
issues encountered by the tests.
9. Repeat the All Basic Motion Tests described in this section.
10. If any of the tests still do not complete successfully, copy the
information on the Diagnostic Results detail screen to a text file and
contact Spectra Logic Technical Support for assistance (see Contacting
Spectra Logic on page 2).
Restart Backups
Use your backup software to restart any backup processes running on the
library.
Figure 13 The Diagnostics Results detail screen for All
Motion Basic Tests.