Siemens ACUSON Sequoia Use and care manual

© Siemens AG
The reproduction, transmission or use
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Print No.:
Siemens Medical Solutions
Ultrasound Division
ejt
ACUSON Sequoia
System
Replacement of Parts
US
2003
US02-109.841.01.01.02
Replaces: n.a.
English
Doc. Gen. Date: 02.04
n.a.
Part No.: 08658986
sd
Sequoia Elastomer replacement

2 Revision / Disclaimer
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1Revision / Disclaimer
Copyright
Copyright 2004 by Siemens Corporation. All rights reserved. No part of this publication
may be reproduced, transmitted, transcribed, stored in retrieval systems, or translated into
any language or computer language, in any form or by any means, electronic, mechanical,
magnetic, optical, chemical, manual, or otherwise, without the prior written permission of
Siemens Corporation. Siemens Corporation reserves the right to change its products and
services at any time. In addition, this manual is subject to change without notice. Siemens
Corporation welcomes customer input on corrections and suggestions for improvements
to this manual.Although Siemens Corporation has attempted to ensure accuracy through-
out this manual, Siemens Corporation assumes no liability for any errors or omissions, nor
for any damages resulting from the application or use of this information.
Trademarks
ACUSON, Sequoia, Cypress, AEGIS, Aspen, 128XP, XP, AcuNav, CV70, SONOLINE,
Adara, Antares, G20, G50, G60S, Omnia and KinetDx are trademarks of Siemens Corpo-
ration registered in the U.S. Patent and Trademark Office. CWS3000, DS3000, WS3000,
and WebPro are trademarks of Siemens Corporation.
Windows 2000 and NT are registered trademarks of Microsoft Corporation. Internet
Explorer is a trademark of Microsoft Corporation. Netscape and Netscape Navigator are
registered trademarks of Netscape Communications Corporation. Java and the JavaScript
name are registered trademarks of Sun Microsystems, Inc. Adobe Acrobat is a registered
trademark of Adobe Systems, Inc.
Other products and brand names are trademarks of their respective owners.
Disclaimer
The service of equipment described herein is to be performed by qualified personnel who
are employed by Siemens or one of its affiliates or who are otherwise authorized by Sie-
mens or one of its affiliates to provide such services.
Assemblers and other persons who are not employed by or otherwise directly affiliated
with or authorized by Siemens or one of its affiliates are directed to contact one of the
local offices of Siemens or one of its affiliates before attempting installation or service pro-
cedures.
License Agreement
All computer programs copyright 1990-2004 by Siemens Corporation or its suppliers. Pro-
grams are licensed under the following agreement:
Siemens or its suppliers retain(s) ownership of and title to any computer program supplied
with the equipment and to the trade secrets embodied in such computer programs. Sub-
ject to the Buyer’s acceptance and fulfillment of the obligations in this paragraph, Siemens
grants the Buyer a personal, non-transferable, perpetual, non-exclusive license to use any
computer program supplied with the Equipment that is necessary to operate the Equip-
ment solely on the medium in which such program is delivered for the purpose of operat-
ing the equipment in accordance with the instructions set forth in the operator’s manuals
supplied with the Equipment and for no other purpose whatsoever. Buyer may not
reverse-assemble, reverse-compile or otherwise reverse-engineer such computer pro-
grams nor may Buyer make a copy of such program or apply any techniques to derive the
trade secrets embodied therein. In the event of a failure by Buyer to comply with the terms

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of this license, the license granted by this paragraph shall terminate. Further, because
unauthorized use of such computer programs will leave Siemens without an adequate
remedy at law, Buyer agrees that injunctive or other equitable relief will be appropriate to
restrain such use, threatened or actual. Buyer further agrees that (i) any of Siemens's
suppliers of software is a direct and intended beneficiary of this end-user sublicense and
may enforce it directly against Buyer with respect to software supplied by such supplier,
and (ii) No supplier of Siemens shall be liable to buyer for any general, special, direct, indi-
rect, consequential, incidental or other damages arising out of the sublicense of the com-
puter programs supplied with the equipment.

4 Table of Contents
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1- 0Table of Contents
1 _______ Sequoia Elastomer Replacement ___________________________________ 5
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Time Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remove the UI Assembly from the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Prepare the UI Assembly for elastomer replacement . . . . . . . . . . . . . . . . . . . . . . . . . 8
Replace Elastomer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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2-
1Sequoia Elastomer Replacement
Overview 0
This document provides instructions for replacing the elastomer of a User Interface
Assembly on the ACUSON Sequoiaultrasound system.
Replacing the elastomer corrects the problem of sticky or unresponsive keys on the ultra-
sound UI keyboard.
Time Required 0
Elastomer replacement: approximately 1 hour
Tools Required 0
Tab. 1 Required tools to complete Sequoia Elastomer Replacement
Parts 0
User Interface Elastomer Repair Kit
Tab. 2 User Interface Elastomer Repair Kit
Tab. 3 User Interface Elastomer Repair Kit Contents
Description Qty
Standard CSE Toolkit 1
Kit Description Qty Part No.
Service Elastomer Repair Kit, Sequoia 1 08270240
Description Qty
L/R, U/D Elastomer 1
Main Elastomer 1
TEQ Elastomer 1

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Fig. 1: Sequoia Elastomer Descriptions
Pos. 1 L/R, U/D Elastomer
Pos. 2 TEQ Elastomer
Pos. 3 Main Elastomer

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Installation 0
To replace the ACUSON Sequoia Elastomer:
Remove the UI Assembly from the System 0
1. Turn off power.
2. Remove the CINE knob.
3. Remove user interface bezel screws. (x11)
4. Lift keyboard bezel four to six inches (10 to 15 cm).
5. Disconnect kidney pad wiring from keyboard bezel. (x2)
Fig. 2: Sequoia User Interface kidney pad wirings
Pos. 1 Kidney Pad Wirings
CAUTION Observe Electrostatic Discharge (ESD) Procedures
¹Failure to comply will cause damage to the Assembly
and will result in an additional service call.

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6. Remove keyboard bezel.
Fig. 3: ACUSON Sequoia keyboard bezel
7. Raise user keyboard and monitor to maximum height.
8. Push the Sequoia name plate off to expose the mounting screw for the MO disk hous-
ing front cover.
9. Remove the MO disk housing front cover mounting screw.
- Grasp the MO housing by the top corners, and pull forward from the top.
- Pull up to remove it from the Sequoia system. The front cover is still retained by two
spring clips so some force will be required
Prepare the UI Assembly for elastomer replacement 0
1. Remove screws securing user interface assembly to system chassis. (x10)
2. Tilt front of user interface up.

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3. Disconnect trackball cable and trackball function switch cable from the FPP.
Fig. 4: Trackball cables
Pos. 1 Trackball Cable
Pos. 2 Trackball function switch cable
4. Disconnect cables from rear edge of the FPP.
Fig. 5: View from behind Sequoia monitor
Pos. 1 FPP
Pos. 2 RJ12, RJ45, FPP, and Power cables

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5. Lift user interface clear of chassis.
6. Turn user interface over (knobs/buttons down).
7. Remove screws securing the FPP to switch assembly.
Fig. 6: FPP and Switch Assembly
8. Carefully but firmly separate the FPP from the switch assembly. The two assemblies
are joined by four 80 pin connectors.
9. Remove the DGC caps by placing a flathead screwdriver underneath each cap and
gently pushing upward.
10. Remove the DGC bezel by placing a flathead screwdriver underneath the bezel and
gently pushing upward.
11. Remove the seven plastic encoder knobs by gently pulling upward.
12. Remove the UI overlay.
13. Using a 1/2-inch or 13 mm hollow shaft socket, remove the mounting nut from the en-
coder.
14. Turn the UI assembly over.
15. Remove all 31 screws holding the UI board in place.
16. Remove the UIP UDC ribbon cable, J5 ribbon cable, and UPD UDQ ribbon cable from
the UI board.
17. Lift each of the seven rotary encoders and its crown washer out of the UI assembly.
NOTE It is important to mark each encoder ribbon cable with the loca-
tion number that can be found near the connector base i.e. J9,
J10.

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18. Carefully lift the UI board and set aside
Fig. 7: Sequoia UI Board descriptions
Pos. 1 Grounding strap
Pos. 2 UI Board
19. Remove the elastomer.
Fig. 8: Sequoia Elastomer Descriptions
Pos. 1 L/R, U/D Elastomer
Pos. 2 TEQ Elastomer
Pos. 3 Main Elastomer
NOTE Grounding straps may tear if not carefully removed.
NOTE The elastomer comes in three separate sections.

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20. Clean the UI console area with a soft cloth.
Replace Elastomer 0
1. Replace elastomer and verify that the plastic pegs on the UI assembly and the holes in
the elastomer align.
Fig. 9: Sequoia Elastomer Alignment
Pos. 1 Elastomer Alignment marker
NOTE Clean thoroughly. Excess debris is one cause of sticking keys.

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2. Carefully replace the UI board onto the elastomer, ensuring that the pegs of the UI as-
sembly align with the holes on the UI board.
Fig. 10: UI Assembly Alignment Pegs
Pos. 1 UI Assembly alignment point
Pos. 2 UI Assembly alignment point
Pos. 3 UI Assembly alignment point
Pos. 4 UI Assembly alignment point
3. Reverse steps for installation.
NOTE Be careful not to move the aligned elastomer underneath.
CAUTION The mounting nut should be installed by holding the 1/2 inch (or
13 mm) socket with fingers only. Do not use a ratchet.
¹Over-torquing the nut can crack the glass encoder
wheel.

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Configuration 0
Once the system has been reassembled:
1. Boot system to SUI.
2. Select UI diagnostics in the service diagnostics menu.
3. Verify user interface passes the following tests:
- Keyboard
-LCD
-LED

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Administration 0
Complete all paperwork as required by the regional office.

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