GE Discovery LS User manual

GE Healthcare
OPERATING DOCUMENTATION
2307224-100
Rev 6
Discovery LS
System Service Manual

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 2

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Important Precautions Page 3
IMPORTANT PRECAUTIONS
LANGUAGE
WARNING
(EN)
• This Service Manual is available in English only.
• If a customer's service provider requires a language other than English, it
is the customer's responsibility to provide translation services.
• Do not attempt to service the equipment unless this service manual has
been consulted and is understood.
• Failure to heed this warning may result in injury to the service provider,
operator, or patient, from electric shock or from mechanical or other
hazards.
警告
(ZH-CN)
• 本维修手册仅提供英文版本。
• 如果维修服务提供商需要非英文版本，客户需自行提供翻译服务。
• 未详细阅读和完全理解本维修手册之前，不得进行维修。
• 忽略本警告可能对维修人员，操作员或患者造成触电、机械伤害或其他形
式的伤害。
VÝSTRAHA
(CS)
• Tento provozní návod existuje pouze v anglickém jazyce.
•Vpřípadě, že externí služba zákazníkům potřebuje návod v jiném jazyce,
je zajištění překladu do odpovídajícího jazyka úkolem zákazníka.
• Nesnažte se o údržbu tohoto zařízení, aniž byste si přečetli tento provozní
návod a pochopili jeho obsah.
•Vpřípaděnedodržování této výstrahy může dojít k poranění pracovníka
prodejního servisu, obslužného personálu nebo pacientůvlivem
elektrického proudu, respektive vlivem mechanických či jiných rizik.
ADVARSEL
(DA)
• Denne servicemanual findes kun på engelsk.
• Hvis en kundes tekniker har brug for et andet sprog end engelsk, er det
kundens ansvar at sørge for oversættelse.
• Forsøg ikke at servicere udstyret medmindre denne servicemanual har
været konsulteret og er forstået.
• Manglende overholdelse af denne advarsel kan medføre skade på grund
af elektrisk, mekanisk eller anden fare for teknikeren, operatøren eller
patienten.
WAARSCHUWING
(NL)
• Deze onderhoudshandleiding is enkel in het Engels verkrijgbaar.
• Als het onderhoudspersoneel een andere taal vereist, dan is de klant
verantwoordelijk voor de vertaling ervan.
• Probeer de apparatuur niet te onderhouden voordat deze
onderhoudshandleiding werd geraadpleegd en begrepen is.
• Indien deze waarschuwing niet wordt opgevolgd, zou het
onderhoudspersoneel, de operator of een patiënt gewond kunnen raken
als gevolg van een elektrische schok, mechanische of andere gevaren.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 4 Important Precautions
HOIATUS
(ET)
• Käesolev teenindusjuhend on saadaval ainult inglise keeles.
• Kui klienditeeninduse osutaja nõuab juhendit inglise keelest erinevas
keeles, vastutab klient tõlketeenuse osutamise eest.
• Ärge üritage seadmeid teenindada enne eelnevalt
käesoleva teenindusjuhendiga tutvumist ja sellest aru saamist.
• Käesoleva hoiatuse eiramine võib põhjustada teenuseosutaja, operaatori
või patsiendi vigastamist elektrilöögi, mehaanilise või muu ohu tagajärjel.
VAROITUS
(FI)
• Tämä huolto-ohje on saatavilla vain englanniksi.
• Jos asiakkaan huoltohenkilöstö vaatii muuta kuin englanninkielistä
materiaalia, tarvittavan käännöksen hankkiminen on asiakkaan vastuulla.
• Älä yritä korjata laitteistoa ennen kuin olet varmasti lukenut ja ymmärtänyt
tämän huolto-ohjeen.
• Mikäli tätä varoitusta ei noudateta, seurauksena voi olla
huoltohenkilöstön, laitteiston käyttäjän tai potilaan vahingoittuminen
sähköiskun, mekaanisen vian tai muun vaaratilanteen vuoksi.
ATTENTION
(FR)
• Ce manuel de service n'est disponible qu'en anglais.
• Si le technicien du client a besoin de ce manuel dans une autre langue
que l'anglais, c'est au client qu'il incombe de le faire traduire.
• Ne pas tenter d'intervenir sur les équipements tant que le manuel service
n'a pas été consulté et compris
• Le non-respect de cet avertissement peut entraîner chez le technicien,
l'opérateur ou le patient des blessures dues à des dangers électriques,
mécaniques ou autres.
WARNUNG
(DE)
• Diese Serviceanleitung existiert nur in Englischer Sprache.
• Falls ein fremder Kundendienst eine andere Sprache benötigt, ist es
aufgabe des Kunden für eine Entsprechende Übersetzung zu sorgen.
• Versuchen Sie nicht diese Anlage zu warten,
ohne diese Serviceanleitung gelesen und verstanden zu haben.
• Wird diese Warnung nicht beachtet, so kann es zu Verletzungen des
Kundendiensttechnikers, des Bedieners oder des Patienten durch
stromschläge, Mechanische oder Sonstige gefahren kommen.
ΠΡΟΕΙΔΟΠΟΙΗΣΗ
(EL)
• Το παρόν εγχειρίδιο σέρβις διατίθεται στα αγγλικά μόνο.
• Εάν το άτομο παροχής σέρβις ενός πελάτη απαιτεί το παρόν εγχειρίδιο σε
γλώσσα εκτός των αγγλικών, αποτελεί ευθύνη του πελάτη να παρέχει
υπηρεσίες μετάφρασης.
• Μην επιχειρήσετε την εκτέλεση εργασιών σέρβις στον εξοπλισμό εκτός
εαν έχετε συμβουλευτεί και έχετε κατανοήσει το παρόν εγχειρίδιο σέρβις.
• Εαν δε λάβετε υπόψη την προειδοποίηση αυτή, ενδέχεται να προκληθεί
τραυματισμός στο άτομο παροχής σέρβις, στο χειριστή ήστον ασθενή
από ηλεκτροπληξία, μηχανικούς ήάλλους κινδύνους.
FIGYELMEZTETÉS
(HU)
• Ezen karbantartási kézikönyv kizárólag angol nyelven érhetőel.
•Haavevőszolgáltatója angoltól eltérőnyelvre tart igényt, akkor a vevő
felelőssége a fordítás elkészíttetése.
• Ne próbálja elkezdeni használni a berendezést, amíg a karbantartási
kézikönyvben leírtakat nem értelmezték.
• Ezen figyelmeztetés figyelmen kívül hagyása a szolgáltató, működtető
vagy a beteg áramütés, mechanikai vagy egyéb veszélyhelyzet miatti
sérülését eredményezheti.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Important Precautions Page 5
AÐVÖRUN
(IS)
• Þessi þjónustuhandbók er eingöngu fáanleg á ensku.
• Ef að þjónustuveitandi viðskiptamanns þarfnast annas tungumáls en
ensku, er það skylda viðskiptamanns að skaffa tungumálaþjónustu.
• Reynið ekki að afgreiða tækið nema að þessi þjónustuhandbók
hefur verið skoðuð og skilin.
• Brot á sinna þessari aðvörun getur leitt til meiðsla á þjónustuveitanda,
stjórnanda eða sjúklings frá raflosti, vélrænu eða öðrum áhættum.
AVVERTENZA
(IT)
• Il presente manuale di manutenzione è disponibile soltanto in inglese.
• Se un addetto alla manutenzione richiede il manuale in una lingua
diversa, il cliente è tenuto a provvedere direttamente alla traduzione.
• Si proceda alla manutenzione dell'apparecchiatura solo dopo aver
consultato il presente manuale ed averne compreso il contenuto
• Il non rispetto della presente avvertenza potrebbe far compiere operazioni
da cui derivino lesioni all'addetto, alla manutenzione, all'utilizzatore ed al
paziente per folgorazione elettrica, per urti meccanici od altri rischi.
警告
(JA)
• このサービスマニュアルには英語版しかありません。
･ サービスを担当される業者が英語以外の言語を要求される場合、翻訳作
業はその業者の責任で行うものとさせていただきます。
･ このサービスマニュアルを熟読し理解せずに、装置のサービスを行わな
いでください。
･ この警告に従わない場合、サービスを担当される方、操作員あるいは患
者さんが、感電や機械的又はその他の危険により負傷する可能性があり
ます。
경고
(KO)
• 본 서비스 지침서는 영어로만 이용하실 수 있습니다 .
• 고객의 서비스 제공자가 영어 이외의 언어를 요구할 경우, 번역 서비스를
제공하는 것은 고객의 책임입니다 .
• 본 서비스 지침서를 참고했고 이해하지 않는 한은 해당 장비를 수리하려
고 시도하지 마십시오 .
• 이 경고에 유의하지 않으면 전기 쇼크, 기계상의 혹은 다른 위험으로부터
서비스 제공자 , 운영자 혹은 환자에게 위해를 가할 수 있습니다 .
BRDINJUMS
(LV)
•Šīapkalpes rokasgrāmata ir pieejama tikai angļu valodā.
• Ja klienta apkalpes sniedzējam nepieciešama informācija citāvalodā,
nevis angļu, klienta pienākums ir nodrošināt tulkošanu.
• Neveiciet aprīkojuma apkalpi bez apkalpes rokasgrāmatas izlasīšanas un
saprašanas.
•Šībrīdinājuma neievērošana var radīt elektriskās strāvas trieciena,
mehānisku vai citu risku izraisītu traumu apkalpes sniedzējam,
operatoram vai pacientam.
ĮSPĖJIMAS
(LT)
• Šis eksploatavimo vadovas yra prieinamas tik anglųkalba.
• Jei kliento paslaugųtiekėjas reikalauja vadovo kita kalba – ne anglų,
numatyti vertimo paslaugas yra kliento atsakomybė.
•Nemėginkite atlikti įrangos techninės priežiūros, nebent atsižvelgėte įšį
eksploatavimo vadovąir jįsupratote.
• Jei neatkreipsite dėmesio įšįperspėjimą, galimi sužalojimai dėl elektros
šoko, mechaniniųar kitųpavojųpaslaugųtiekėjui, operatoriui ar pacientui.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 6 Important Precautions
ADVARSEL
(NO)
• Denne servicehåndboken finnes bare på engelsk.
• Hvis kundens serviceleverandør trenger et annet språk, er det kundens
ansvar å sørge for oversettelse.
• Ikke forsøk å reparere utstyret uten at denne servicehåndboken er lest og
forstått.
• Manglende hensyn til denne advarselen kan føre til at
serviceleverandøren, operatøren eller pasienten skades på grunn av
elektrisk støt, mekaniske eller andre farer.
OSTRZEŻENIE
(PL)
• Niniejszy podręcznik serwisowy dostępny jest jedynie w języku
angielskim.
•Jeśli dostawca usług klienta wymaga języka innego niżangielski,
zapewnienie usługi tłumaczenia jest obowiązkiem klienta.
• Nie próbowaćserwisowaćwyposażenia bez zapoznania sięi zrozumienia
niniejszego podręcznika serwisowego.
• Niezastosowanie siędo tego ostrzeżenia może spowodowaćurazy
dostawcy usług, operatora lub pacjenta w wyniku porażenia
elektrycznego, zagrożenia mechanicznego bądźinnego.
ATENÇÃO
(PT)
• Este manual de assistência técnica só se encontra disponível em inglês.
• Se qualquer outro serviço de assistência técnica solicitar estes manuais
noutro idioma, é da responsabilidade do cliente fornecer os serviços de
tradução.
• Não tente consertar o equipamento sem ter consultado e
compreendido este manual de assistência técnica.
• O não cumprimento deste aviso pode pôr em perigo a segurança do
técnico, do operador ou do paciente devido a choques elétricos,
mecânicos ou outros.
ATENŢIE
(RO)
• Acest manual de service este disponibil numai în limba engleză.
•Dacăun furnizor de servicii pentru clienţi necesităo altălimbădecât cea
engleză, este de datoria clientului săfurnizeze o traducere.
• Nu încercaţi săreparaţi echipamentul decât ulterior consultării şi
înţelegerii acestui manual de service.
• Ignorarea acestui avertisment ar putea duce la rănirea depanatorului,
operatorului sau pacientului în urma pericolelor de electrocutare,
mecanice sau de altănatură.
ОСТОРОЖНО!
(RU)
• Данное руководство по обслуживанию предлагается только на
английском языке.
• Если сервисному персоналу клиента необходимо руководство не на
английском, ана каком-то другом языке, клиенту следует
самостоятельно обеспечить перевод.
• Перед обслуживанием оборудования обязательно обратитесь к
данному руководству ипоймите изложенные внем сведения.
• Несоблюдение требований данного предупреждения может привести
ктому, что специалист по обслуживанию, оператор или пациент
получат удар электрическим током, механическую травму или другое
повреждение.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Important Precautions Page 7
UPOZORNENIE
(SK)
• Tento návod na obsluhu je k dispozícii len v angličtine.
• Ak zákazníkov poskytovateľslužieb vyžaduje iný jazyk ako angličtinu,
poskytnutie prekladateľských služieb je zodpovednos″ou zákazníka.
• Nepokúšajte sa o obsluhu zariadenia skôr, ako si neprečítate návod na
obluhu a neporozumiete mu.
• Zanedbanie tohto upozornenia môže vyústi″do zranenia poskytovateľa
služieb, obsluhujúcej osoby alebo pacienta elektrickým prúdom, do
mechanického alebo iného nebezpečenstva.
ATENCION
(ES)
• Este manual de servicio sólo existe en inglés.
• Si el encargado de mantenimiento de un cliente necesita un idioma que
no sea el inglés, el cliente deberá encargarse de la traducción del
manual.
• No se deberá dar servicio técnico al equipo, sin haber consultado y
comprendido este manual de servicio.
• La no observancia del presente aviso puede dar lugar a que el proveedor
de servicios, el operador o el paciente sufran lesiones provocadas por
causas eléctricas, mecánicas o de otra naturaleza.
VARNING
(SV)
• Den här servicehandboken finns bara tillgänglig på engelska.
• Om en kunds servicetekniker har behov av ett annat språk än engelska
ansvarar kunden för att tillhandahålla översättningstjänster.
• Försök inte utföra service på utrustningen om du inte har läst och förstår
den här servicehandboken.
• Om du inte tar hänsyn till den här varningen kan det resultera i skador på
serviceteknikern, operatören eller patienten till följd av elektriska stötar,
mekaniska faror eller andra faror.
DIKKAT
(TR)
• Bu servis kilavuzunun sadece ingilizcesi mevcuttur.
•Eğer müşteri teknisyeni bu kilavuzu ingilizce dişinda bir başka lisandan
talep ederse, bunu tercüme ettirmek müşteriye düşer.
• Servis kilavuzunu okuyup anlamadan ekipmanlara müdahale etmeyiniz.
• Bu uyariya uyulmamasi, elektrik, mekanik veya diğer tehlikelerden dolayi
teknisyen, operatör veya hastanin yaralanmasina yol açabilir.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 8 Important Precautions
DAMAGE IN TRANSPORTATION
Check for damage to property that may have occurred at the site during delivery, such as damage
to floors, door frames or walls. If damage is found, notify the install specialist.
All packages should be closely examined at time of delivery. If damage is apparent, have notation
“damage in shipment” written on all copies of the freight or express bill before delivery is accepted
or “signed for” by a General Electric representative or a hospital receiving agent. Whether noted or
concealed, damage MUST be reported to the carrier immediately upon discovery, or in any event,
within 14 days after receipt, and the contents and containers held for inspection by the carrier. A
transportation company will not pay a claim for damage if an inspection is not requested within this
14-day period.
To file a report:
• Call 1-800-548-3366 and use option 8.
• Fill out a report on http://us44hdd21/sctq/InstallFulfill/InstalFulfillment.htm
• Contact the local service coordinator for more information on this process.
Rev. Jan. 5, 2005
CERTIFIED ELECTRICAL CONTRACTOR STATEMENT
All electrical Installations that are preliminary to positioning of the equipment at the site prepared
for the equipment shall be performed by licensed electrical contractors. In addition, electrical feeds
into the Power Distribution Unit shall be performed by licensed electrical contractors. Other
connections between pieces of electrical equipment, calibrations and testing shall be performed by
qualified GE Healthcare personnel. The products involved (and the accompanying electrical
installations) are highly sophisticated, and special engineering competence is required. In
performing all electrical work on these products, GE will use its own specially trained field
engineers. All of GE’s electrical work on these products will comply with the requirements of the
applicable electrical codes.
The purchaser of GE equipment shall only utilize qualified personnel (i.e., GE’s field engineers,
personnel of third-party service companies with equivalent training, or licensed electricians) to
perform electrical servicing on the equipment.
IMPORTANT...X-RAY PROTECTION
X-ray equipment if not properly used may cause injury. Accordingly, the instructions herein
contained should be thoroughly read and understood by everyone who will use the equipment
before you attempt to place this equipment in operation. The General Electric Company, GE
Healthcare Group, will be glad to assist and cooperate in placing this equipment in use.
Although this apparatus incorporates a high degree of protection against x-radiation other than the
useful beam, no practical design of equipment can provide complete protection. Nor can any
practical design compel the operator to take adequate precautions to prevent the possibility of any
persons carelessly exposing themselves or others to radiation.
It is important that anyone having anything to do with x-radiation be properly trained and fully
acquainted with the recommendations of the National Council on Radiation Protection and
Measurements as published in NCRP Reports available from NCRP Publications, 7910 Woodmont
Avenue, Room 1016, Bethesda, Maryland 20814, and of the International Commission on
Radiation Protection, and take adequate steps to protect against injury.
The equipment is sold with the understanding that the General Electric Company, GE Healthcare
Group, its agents, and representatives have no responsibility for injury or damage which may result
from improper use of the equipment.
Various protective materials and devices are available. It is urged that such materials or devices be
used.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Important Precautions Page 9
IMPORTANT...RADIOACTIVE MATERIAL HANDLING
Only employees formally trained in radioactive materials handling and this equipment are
authorized by the GE Healthcare Radiation Safety Officer to use radioactive materials to service
this equipment.
GE Healthcare Services is required to notify the applicable U.S. state agency PRIOR to any source
service event involving pin source handling. See NUC/PET Radioactive material guides for specific
instruction or contact your EHS Specialist.
A radiation survey must be performed when a pin source has been removed and replaced. See
Radiation Survey Form Instructions or contact your EHS Specialist.
Rev 2 (July 21, 2005)
LITHIUM BATTERY CAUTIONARY STATEMENTS
CAUTION
Risk of
Explosion
Danger of explosion if battery is incorrectly replaced. Replace only with the same or
equivalent type recommended by the manufacturer. Discard used batteries according to the
manufacturer’s instructions.
ATTENTION
Danger
d’Explosion
Il y a danger d’explosion s’il y a replacement incorrect de la batterie. Remplacer uniquement
avec une batterie du même type ou d’un type recommandé par le constructeur. Mettre au
rébut les batteries usagées conformément aux instructions du fabricant.
OMISSIONS & ERRORS
Customers, please contact your GE Sales or Service representatives.
GE personnel, please use the GE Healthcare iTrak process to report all omissions, errors, and
defects in this publication.

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 10 Important Precautions

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Revision History Page 11
Revision History
Revision Date Reason for Change
0 10/14/01 First release
12/02 CH 2: Safety update;
CH 5: Software install corrections and update;
CH 10: Planned Maintenance update;
CH 11: Wiring Connections update;
App A: System Calibration Quick Guide added
2 Updated Software Load from Cold (LFC)
311/19/02 Removed SW LFC Chapter
4 03/27/03 CH 2: Added Emergency Stop warnings
506/15/06 Made revisions throughout;
CH 6: Revised to reflect new table design and replaced table wiring diagrams;
App C: Added VQC Theory

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 12 Revision History
6 03/07/07 Changed "eNTEGRA" to "Xeleris".
CH 1:
- Updated the manual references in Sections 1.2 and 1.3 on page 33.
- Added new Sections: 1.4 on page 34, Required Skill Set and Tools and 1.5 on page 36,
System Power Lock-Out and Tag-Out (LOTO).
CH 2:
- Updated the manuals referenced in Section 2.1 on page 43.
- Added "C" to PDU in the following Sections:
•2.2.3.4 on page 48
•2.7 on page 62
•2.7.1.1 on page 63
•2.7.1.3 on page 63
- Added "GOC1" to Section 2.6 on page 61.
- Added "NGPDU" to Section 2.7 on page 62.
CH 3:
- Updated the manuals and systems referenced on page 79.
- Changed "Helios II LightSpeed Plus" to LightSpeed on page 79 and page 82.
- Added explanation about CPDU and NGPDU in Section 3.2.1 on page 80.
- Updated the manuals referenced in Section 3.4 on page 82.
CH 4: Updated the manuals referenced page 103.
CH 7:
- Updated the manuals referenced on page 223.
- Updated the LighSpeed systems referenced in Section 7.1.1 on page 223.
- Updated the manuals referenced in Sections 7.2 and 7.3 on page 226.
CH 8: Removed the "VQC Theory" subheading since no body of information followed.
CH 9:
- Updated manual referenced on page 259.
CH 10:
- Updated manuals referenced on page 263.
- Updated Table 10-1: on page 263 with CPDU and NGPDU P/Ns
- Updated Console Power row in Table 10-3: on page 265.
- Updated High Voltage AC, High Voltage DC, and 120 VA Power rows in Table10-8:on page
269 and Table 10-9: on page 270.
- Updated manuals referenced in Table 10-11: on page 272 and Table 10-12: on page 273.
- Added new diagrams (Figures 10-2, 3, 4, 6, 7, and 8) in Section 10.3.2 on page 275.
Revision Date Reason for Change

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Table of Contents Page 13
Table of Contents
Chapter 1
Preface.................................................................................................................... 33
Section 1.1
Scope of this Manual ....................................................................................... 33
Section 1.2
Manual Set ........................................................................................................ 33
Section 1.3
Referenced Documents ................................................................................... 33
Section 1.4
Required Skill Set and Tools........................................................................... 34
1.4.1 Training Requirements (Skill Set Required) .................................................................... 34
1.4.2 Tools Required ................................................................................................................ 35
Section 1.5
System Lock-Out and Tag-Out (LOTO) .......................................................... 36
1.5.1 Thermal Energy ............................................................................................................... 36
1.5.2 Electrical Energy.............................................................................................................. 37
1.5.2.1 Removing Power from the System................................................................... 37
1.5.2.2 Restoring Power to the System........................................................................ 37
1.5.3 Gantry Rotation (Mechanical and Gravitational Energy) ................................................. 38
1.5.3.1 Disable Gantry Rotation ................................................................................... 38
1.5.3.2 Restore Gantry Rotation .................................................................................. 38
Section 1.6
General Safety Guidelines............................................................................... 39
1.6.1 General Safety Definitions............................................................................................... 39
1.6.2 IEC Symbols.................................................................................................................... 40
1.6.3 General Hazards.............................................................................................................. 41
1.6.4 General Electrical Hazards.............................................................................................. 41
1.6.5 General Electrical Precautions ........................................................................................ 41
1.6.6 General Unpacking Precautions...................................................................................... 41
1.6.7 General Installation Safety Measures.............................................................................. 42
Section 1.7
Regulatory Information.................................................................................... 42
1.7.1 Standard Compliance ...................................................................................................... 42
Chapter 2
Discovery LS System Safety Information ........................................................... 43
Section 2.1
CT System Safety............................................................................................. 43
Section 2.2
Normal CT System Operational Safety........................................................... 43
2.2.1 Potential Hazards ............................................................................................................ 43

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2.2.2 Safety Awareness Indicators........................................................................................... 44
2.2.2.1 Labels .............................................................................................................. 44
2.2.2.2 Lights and Lamps ............................................................................................ 44
2.2.3 Emergency Switches, Buttons and Locks ....................................................................... 45
2.2.3.1 System Emergency Off (E-Off) Switch ............................................................ 45
2.2.3.2 System Emergency Stop (E-Stop) Switches ................................................... 46
2.2.3.3 Table Latch and Tape Switches ...................................................................... 47
2.2.3.4 Compact Power Distribution Cover Lock (CPDU Only)................................... 48
Section 2.3
CT Equipment Service...................................................................................... 48
2.3.1 CT Gantry........................................................................................................................ 48
2.3.1.1 CT Gantry General .......................................................................................... 48
2.3.1.2 CT Gantry Electrical ........................................................................................ 49
2.3.1.3 Safety Awareness Indicators ........................................................................... 50
2.3.1.4 Service Outlet .................................................................................................. 52
2.3.1.5 Service Switches and Circuit Breakers............................................................ 52
2.3.1.6 Power Pan Circuit Breaker .............................................................................. 54
2.3.1.7 Gantry E-Stop.................................................................................................. 54
2.3.2 CT Mechanical Hazards.................................................................................................. 54
2.3.2.1 Fastener Torque Specifications....................................................................... 55
2.3.2.2 Rotational Locking Pin..................................................................................... 57
2.3.2.3 X-Ray Tube Hoist ............................................................................................ 58
2.3.2.4 Front and Rear Cover Dollies .......................................................................... 58
Section 2.4
Chemicals and Materials.................................................................................. 58
2.4.1 Slip-Ring Brush Dust and Debris .................................................................................... 58
2.4.1.1 Cleaning Equipment ........................................................................................ 58
2.4.1.2 Personal Protection Equipment (PPE) ............................................................ 58
2.4.1.3 Recommended Cleaning Procedure ............................................................... 58
2.4.2 Clean-up and Personal Hygiene ..................................................................................... 59
2.4.3 Oils (Tube, Tank and Hydraulic) ..................................................................................... 59
2.4.4 Lead ................................................................................................................................ 59
2.4.5 Heat Sources .................................................................................................................. 59
Section 2.5
Table .................................................................................................................. 60
2.5.1 Electrical Hazards ........................................................................................................... 60
2.5.1.1 Safety Awareness Indicators ........................................................................... 60
2.5.1.2 Service Outlet .................................................................................................. 60
2.5.1.3 Switches .......................................................................................................... 60
2.5.2 Mechanical Hazards........................................................................................................ 61
2.5.3 Chemical Hazards........................................................................................................... 61
Section 2.6
Console (H3 or GOC1)...................................................................................... 61
Section 2.7
Power Distribution Units.................................................................................. 62
2.7.1 Compact Power Distribution Unit (CPDU)....................................................................... 62
2.7.1.1 Hazard Awareness Indicators - CPDU ............................................................ 63
2.7.1.2 Protected Service Outlets - CPDU .................................................................. 63

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2.7.1.3 Circuit Breakers and Switches - CPDU............................................................ 63
2.7.1.4 Mechanical Hazards - None............................................................................. 64
2.7.2 New Global Power Distribution Unit (NGPDU) ................................................................ 64
2.7.2.1 Hazard Awareness Indicators - NGPDU .......................................................... 65
2.7.2.2 Protected Service Outlets - NGPDU ................................................................ 65
2.7.2.3 Circuit Breakers and Switches - NGPDU ......................................................... 66
2.7.3 Mechanical Hazards ........................................................................................................ 66
Section 2.8
PET System Safety........................................................................................... 66
2.8.1 General............................................................................................................................ 66
2.8.2 Safety Signal Definitions.................................................................................................. 66
2.8.3 Safety Labels................................................................................................................... 67
2.8.3.1 Electrical Safety Labels.................................................................................... 67
2.8.3.2 Mechanical Motion Labels................................................................................ 71
2.8.4 Laser Related Labels....................................................................................................... 72
2.8.5 Radiation Safety Labels................................................................................................... 73
2.8.6 Thermal Hazard............................................................................................................... 74
2.8.7 Rating Labels................................................................................................................... 74
Section 2.9
CT-PET System Safety..................................................................................... 74
2.9.1 CT-PET Gantry Safety..................................................................................................... 74
2.9.1.1 Clearance Between Gantries in Service Position............................................. 74
2.9.1.2 Safety Measures While Moving PET Gantry.................................................... 74
2.9.1.3 CT-PET Emergency Stops............................................................................... 75
2.9.2 CT-PET Table Safety....................................................................................................... 76
2.9.2.1 Secondary Base Drive Mechanism Safety (Automated Tables) ...................... 77
2.9.2.2 Table Secondary Base Remote Control Switch Safety (Manual Tables)......... 78
2.9.3 CT-PET Safety Labels..................................................................................................... 78
Chapter 3
DLS System Functional Description.................................................................... 79
Section 3.1
Introduction ...................................................................................................... 79
Section 3.2
CT Overview and Functionality....................................................................... 79
3.2.1 PDU ................................................................................................................................. 80
3.2.2 Data Acquisition System.................................................................................................. 80
3.2.3 Image Processor.............................................................................................................. 80
3.2.4 Stationary Computer and Axial Board ............................................................................. 80
3.2.5 On-Board Controller......................................................................................................... 80
3.2.6 Axial Drive........................................................................................................................ 80
3.2.7 Slip-Ring Infrastructure.................................................................................................... 81
Section 3.3
PET Overview and Functionality..................................................................... 81
3.3.1 Electronic Cabinet............................................................................................................ 81
3.3.1.1 MAGIC ............................................................................................................. 81
3.3.1.2 SHARC............................................................................................................. 81

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3.3.1.3 PDU ................................................................................................................. 81
3.3.2 Gantry ............................................................................................................................. 81
3.3.3 Detector Ring .................................................................................................................. 82
3.3.4 PCU................................................................................................................................. 82
3.3.5 Power Switch Box ........................................................................................................... 82
3.3.6 Gantry Motion Control Board Rack ................................................................................. 82
Section 3.4
Electrical Requirements................................................................................... 82
Section 3.5
Patient Table ..................................................................................................... 83
Section 3.6
PET Service Access ......................................................................................... 83
Section 3.7
CT-PET LAN (Local Area Network) ................................................................. 83
3.7.1 LAN Connections for Systems with TurboSHARC.......................................................... 87
Section 3.8
E-Stop Safety .................................................................................................... 89
Section 3.9
Covers................................................................................................................ 89
Section 3.10
System Start-Up................................................................................................ 93
3.10.1 Powering Up the PET Peripherals and Subsystems....................................................... 94
3.10.2 Switching to the PET User Interface Display on the Scan Monitor ................................. 95
Section 3.11
System Shut-Down........................................................................................... 96
3.11.1 Shutting Down the PET-CT System................................................................................ 96
3.11.2 Switching OFF Power to PET Subsystems and Peripherals........................................... 97
3.11.3 Shutting Down the CT and PET Applications.................................................................. 98
3.11.4 Resetting CT Subsystems............................................................................................. 100
3.11.5 Rebooting PET Subsystems ......................................................................................... 101
Chapter 4
Service Desktop, Tools and Diagnostics.......................................................... 103
Section 4.1
Service Desktop.............................................................................................. 103
4.1.1 Service Desktop Main Menu ......................................................................................... 104
4.1.2 Service Desktop Functionality....................................................................................... 105
4.1.3 Desktop Management ................................................................................................... 105

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Chapter 5
Console ................................................................................................................ 107
Section 5.1
CT-PET Console Functional Description ..................................................... 107
Section 5.2
Console Connections .................................................................................... 109
Chapter 6
Table ..................................................................................................................... 111
Section 6.1
CT-PET Table Functional Description.......................................................... 111
6.1.1 Table Overview.............................................................................................................. 111
6.1.2 Manual Table Functional Description ............................................................................ 111
Section 6.2
Manual Table................................................................................................... 112
6.2.1 Prerequisites.................................................................................................................. 112
6.2.1.1 )Furnished Materials ...................................................................................... 112
6.2.1.2 Required Tools............................................................................................... 112
6.2.2 Before Beginning ........................................................................................................... 113
6.2.3 Pre-Mechanical Installation............................................................................................ 113
6.2.4 Mechanical Installation .................................................................................................. 114
6.2.4.1 Remove the Table Covers ............................................................................. 114
6.2.4.2 Remove the Base Cover Brackets ................................................................. 118
6.2.4.3 Install the Mechanical Stop Assembly............................................................ 121
6.2.5 Remove the Manual Control Hardware ......................................................................... 122
6.2.5.1 Remove the KB Box....................................................................................... 122
6.2.5.2 Unfasten and Remove the Cables ................................................................. 123
6.2.5.3 Unfasten and Remove the KB Box ................................................................ 123
6.2.5.4 Remove the Pedal Assembly ......................................................................... 124
6.2.5.5 Remove the PET and CT Position Switches and Switch Rail ........................ 124
6.2.5.6 Remove the Switch Rail ................................................................................. 125
6.2.5.7 Disconnect and Discard the CT-PET Positions Cable (P/N 2318721)........... 126
6.2.5.8 Remove the Cable Harness (P/N 2271256) from the Table .......................... 127
6.2.5.9 Remove the INTF SW and CL CONT I Cable (P/N 2309066) from the Table 128
6.2.5.10 Remove the Motor Clutch Assembly (P/N 2309067) ..................................... 129
6.2.5.11 Assemble and Attach the Spreader Bar Assembly ........................................ 130
6.2.6 Install the Automated Base Hardware ........................................................................... 132
6.2.6.1 Drill and Tap the Right Secondary Base Rail................................................. 132
6.2.6.2 Determine the Right Secondary Base Rail Revision...................................... 133
6.2.6.3 Attach the CT Template and Drill the Hole(s) ................................................ 134
6.2.6.4 Determine the PET Detent Location .............................................................. 136
6.2.6.5 Attach the PET Template and Drill the Standard PET Detent Holes ............. 137
6.2.6.6 Fasten PET Detent Offset Template (P/N 2371258) to Revision 3 Rail......... 139
6.2.6.7 Fasten the PET Detent Offset Template to the Revision 0, 1 or 2 Rail.......... 140
6.2.6.8 Drill a New Set of PET Detent Holes 10mm Closer to the CT Detent............ 141
6.2.6.9 Drill a New Set of PET Detent Holes 20 mm Closer to the CT Detent........... 141
6.2.6.10 Install the New Clutch Motor Assembly.......................................................... 142

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6.2.6.11 Install the Table Bulkhead (If Necessary)...................................................... 143
6.2.6.12 Install the Base Axis Motor I Cable (P/N 2323724) ....................................... 144
6.2.6.13 Install the Clutch Control I Cable (P/N 2340390)........................................... 145
6.2.6.14 Install Clutch Driver Unit (P/N 2340282)........................................................ 146
6.2.6.15 Install the Clutch Driver Unit Power Cable (P/N 2338088) ............................ 147
6.2.6.16 Attach the Ground Wire (P/N 2338084) to the Clutch Driver Unit ................. 148
6.2.6.17 Replace the ETC Interface Board.................................................................. 149
6.2.6.18 Install the Base CMD Adapter Cable (P/N 2338086) .................................... 150
6.2.6.19 Install the CT-PET Position Optical Sensor (P/N 2350570) .......................... 151
6.2.6.20 Install the Base Driver Enable Ribbon Cable (P/N 2340386) ........................ 152
6.2.6.21 Install Base CMD Adapter (P/N 2304737)..................................................... 155
6.2.6.22 Attach Flanges (P/N 2320158) to the Secondary Base................................. 157
6.2.6.23 Attach Clutch Motor Cables........................................................................... 159
6.2.6.24 Reassemble the Secondary Base Drive Belt................................................. 161
6.2.6.25 Set the Table Position Pot ............................................................................. 164
6.2.6.26 Attach the CT-PET Position Latch Mounting Plate........................................ 165
6.2.6.27 Install the PET-CT Position Latch Assembly ................................................. 166
6.2.6.28 Install the CT and PET Detent/Flag Assemblies ........................................... 168
6.2.6.29 If a PET Plug Is Required .............................................................................. 169
6.2.6.30 If a CT Plug Is Required ................................................................................ 170
6.2.6.31 Install the CT Detent and Flag Assembly ...................................................... 171
6.2.6.32 Install the PET Detent and Flag Assembly .................................................... 172
6.2.6.33 Assemble and Install PET Detent Adjuster.................................................... 173
6.2.6.34 Shim the PET Detent Assembly .................................................................... 174
6.2.6.35 Install Optical Sensor (P/N 2350570) ............................................................ 177
6.2.6.36 Align the Flag Plates to the Optical Sensor ................................................... 179
6.2.6.37 Install the Table Latch ................................................................................... 180
6.2.6.38 Adjust the Table Latch................................................................................... 182
6.2.6.39 Install the New Characterization Bracket....................................................... 185
6.2.6.40 Install the Top Cover Brackets ...................................................................... 186
6.2.6.41 Install the Fourth Top Cover Bracket............................................................. 187
6.2.6.42 Dress the Rest of the Cables and Close the ETC ......................................... 187
6.2.6.43 Install the Cosmetic Cradle Caps .................................................................. 188
6.2.7 Install Table Secondary Base Covers ........................................................................... 189
6.2.7.1 Automated Table Cover Components ........................................................... 189
6.2.7.2 Table Cover and Bracket Task List ............................................................... 190
6.2.7.3 Install the Roller Cover Assembly.................................................................. 191
6.2.7.4 Attach the Roller Cover Guides to the Secondary Base Side Rails .............. 191
6.2.7.5 Attach the Cover Bracket to the Secondary Base ......................................... 193
6.2.7.6 Reposition the Ground Bus Bar..................................................................... 194
6.2.7.7 Attach Canister Brackets to Head End of the Secondary Base..................... 195
6.2.7.8 Attach the Drip Trough to the Roller Canister Assembly ............................... 196
6.2.7.9 Attach the Roller Cover Canister to the Secondary Base.............................. 197
6.2.7.10 Install the Idler Roller and Align it to the Roller Cover Guides....................... 198
6.2.7.11 Fasten the Side Skirts to the Secondary Base .............................................. 201
6.2.7.12 Attach the Interface Cover Between the DLS Table and Gantry ................... 203
6.2.7.13 Fasten the Rear Covers to the Secondary Base ........................................... 204
6.2.7.14 Attach the Top Cap Assembly to the Secondary Base.................................. 205
6.2.7.15 Attach the Back Cap to the Foot End of the Secondary Base....................... 206
6.2.8 Finish the Mechanical Installation ................................................................................. 208
6.2.9 Completion .................................................................................................................... 210

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6.2.10 Manual Table Wiring...................................................................................................... 213
Section 6.3
Troubleshooting Tips..................................................................................... 215
6.3.1 Potentiometer Counts Differ .......................................................................................... 215
6.3.1.1 Symptom ........................................................................................................ 215
6.3.1.2 Probable Causes and Suggestions................................................................ 215
6.3.2 CT-PET Position Latch Solenoid Fails to Engage ......................................................... 216
6.3.2.1 Symptom ........................................................................................................ 216
6.3.2.2 Probable Causes and Suggestions................................................................ 216
6.3.3 Table Base or Cradle Unlatches.................................................................................... 216
6.3.3.1 Symptom ........................................................................................................ 216
6.3.3.2 Probable Causes and Suggestions................................................................ 216
6.3.4 Delta Z Not in Spec........................................................................................................ 216
6.3.4.1 Symptom ........................................................................................................ 216
6.3.4.2 Probable Causes and Suggestions................................................................ 216
6.3.5 Clutch Engages - Motor Does Not Spin......................................................................... 216
6.3.5.1 Symptom ........................................................................................................ 216
6.3.5.2 Probable Causes and Suggestions................................................................ 216
6.3.6 Motor Spins - Clutch Does Not Engage......................................................................... 216
6.3.6.1 Symptom ........................................................................................................ 216
6.3.6.2 Probable Causes and Suggestions................................................................ 216
6.3.7 Gantry Does Not Run System Light Tests..................................................................... 217
6.3.7.1 Symptom ........................................................................................................ 217
6.3.7.2 Probable Causes and Suggestions................................................................ 217
Section 6.4
Procedures and Adjustments ....................................................................... 217
Section 6.5
Replacement Procedures .............................................................................. 217
6.5.1 Replacing the Secondary Base Timing Belt .................................................................. 217
6.5.2 Replacing the Secondary Base Front Pulley ................................................................. 218
6.5.3 Replacing the Secondary Base Motor ........................................................................... 219
6.5.4 Replacing the Secondary Base Motor Coupling ............................................................ 221
6.5.5 Replacing the Secondary Base Motor Clutch................................................................ 221
Chapter 7
Gantry ................................................................................................................... 223
Section 7.1
CT-PET Gantry Functional Description........................................................ 223
7.1.1 Mechanical Description.................................................................................................. 223
7.1.2 PET Gantry Field Upgrade Modifications ...................................................................... 223
7.1.2.1 Gantry Transport Mechanism......................................................................... 224
7.1.2.2 Gantry-Table Cable Routing .......................................................................... 225
7.1.2.3 Gantry Covers ................................................................................................ 225
7.1.2.4 Moving the PET Gantry to Service Position ................................................... 225
7.1.2.5 System Calibration ......................................................................................... 225
7.1.3 Electrical Description ..................................................................................................... 226

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Section 7.2
CT Gantry Field Replaceable Units (FRUs) .................................................. 226
Section 7.3
CT Gantry Replacement Procedures ............................................................ 226
Section 7.4
PET Gantry Field Replaceable Units (FRUs)................................................ 226
Section 7.5
PET Gantry Replacement Procedures.......................................................... 227
7.5.1 PET Gantry Drive Mechanism Replacement (P/N 2290248) ........................................ 227
7.5.2 Gantry Cables or Retractor Replacement..................................................................... 231
7.5.2.1 Replacing the External Retractor or its Cables.............................................. 233
7.5.2.2 Replacing the Internal Retractor or its Cables............................................... 236
7.5.3 Connecting External PET Cables & New CT-PET Cables to New A36-1, A36-2, A37-1
Panels 239
7.5.4 Replacement of the Short Positioning Pin (P/N 2287052) ............................................ 240
Section 7.6
Procedures and Adjustments........................................................................ 241
7.6.1 Removing the Covers for PET Gantry Service Movement............................................ 241
7.6.2 Activating the Driving Mechanism ................................................................................. 241
Chapter 8
System QC, Calibration and Functional Tests ................................................. 243
Section 8.1
System QC....................................................................................................... 243
8.1.1 CT-PET Volumetric Calibration and Quality Control Procedure (VQC) ........................ 243
8.1.1.1 Initial Table Alignment ................................................................................... 243
8.1.1.2 Reset the Software Alignment Parameters ................................................... 244
8.1.1.3 Positioning the VCQ Phantom....................................................................... 244
8.1.1.4 Scanning and Reconstructing the VQC Phantom ......................................... 245
8.1.1.5 VQC Processing and Software Realignment................................................. 248
8.1.1.6 Mechanical Alignment Table ......................................................................... 251
8.1.1.7 Options .......................................................................................................... 252
8.1.2 Table and Gantry Alignment Procedure........................................................................ 252
8.1.2.1 .Aligning the Table......................................................................................... 252
8.1.2.2 Gantry Alignment Prerequisites..................................................................... 253
8.1.2.3 Preparing the Gantry for Adjustment ............................................................. 254
8.1.2.4 Aligning the Gantry ........................................................................................ 256
Chapter 9
Planned Maintenance (PM)................................................................................. 259
Section 9.1
Maintenance of Mechanical Components .................................................... 259
9.1.1 Lubrication of PET Gantry Driving Mechanism ............................................................. 260
9.1.1.1 Overview of Maintenance and Lubrication Procedure................................... 260
9.1.1.2 Quantity and Frequency of Lubrication.......................................................... 260