GE CT XMj 1500, CT XM1500 Technical Manual
Technical
Publications
2208844
Revision 6
CT Legato/Sytec SRi/Synergy Series
Functional Check /Adjustment
Copyright 1997, 1998, 1999, 2003 by General Electric Company
Operating Documentation
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
WARNING
AVERTISSEMENT
2208844
D THIS SERVICE MANUAL IS AVAILABLE IN ENGLISH ONLY.
D IF A CUSTOMER’S SERVICE PROVIDER REQUIRES A LANGUAGE OTHER
THAN ENGLISH, IT IS THE CUSTOMER’S RESPONSIBILITY TO PROVIDE
TRANSLATION SERVICES.
D DO NOT ATTEMPT TO SERVICE THE EQUIPMENT UNLESS THIS SERVICE
MANUAL HAS BEEN CONSULTED AND IS UNDERSTOOD.
D FAILURE
PROVIDER, OPERATOR OR PATIENT FROM ELECTRIC SHOCK,
MECHANICAL OR OTHER HAZARDS.
D CE MANUEL DE MAINTENANCE N’EST DISPONIBLE QU’EN ANGLAIS.
D 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.
D NE PAS TENTER D’INTERVENTION SUR LES ÉQUIPEMENTS TANT QUE LE
MANUEL SERVICE N’A PAS ÉTÉ CONSULTÉ ET COMPRIS.
D 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.
T
O HEED THIS W
ARNING
MA
Y RESUL
T IN INJUR
Y T
O THE SER
VICE
WARNUNG
AVISO
D DIESES KUNDENDIENST–HANDBUCH EXISTIERT NUR IN
ENGLISCHER SPRACHE.
D FALLS EIN FREMDER KUNDENDIENST EINE ANDERE SPRACHE BENÖTIGT,
IST ES AUFGABE DES KUNDEN FÜR EINE ENTSPRECHENDE ÜBERSETZUNG
ZU SORGEN.
D VERSUCHEN SIE NICHT, DAS GERÄT ZU REPARIEREN, BEVOR DIESES
KUNDENDIENST–HANDBUCH
WURDE.
D WIRD
D ESTE MANUAL DE SERVICIO SÓLO EXISTE EN INGLÉS.
D SI
D NO SE DEBERÁ DAR SERVICIO TÉCNICO AL EQUIPO, SIN HABER
D LA NO OBSERVANCIA DEL PRESENTE AVISO PUEDE DAR LUGAR A QUE EL
DIESE W
DES KUNDENDIENSTTECHNIKERS, DES BEDIENERS ODER DES PATIENTEN
DURCH ELEKTRISCHE SCHLÄGE, MECHANISCHE ODER SONSTIGE
GEFAHREN KOMMEN.
ALGÚN PROVEEDOR DE SER
QUE NO SEA EL INGLÉS, ES RESPONSABILIDAD DEL CLIENTE OFRECER UN
SERVICIO DE TRADUCCIÓN.
CONSULTADO Y COMPRENDIDO ESTE MANUAL DE SERVICIO.
PROVEEDOR DE SERVICIOS, EL OPERADOR O EL PACIENTE SUFRAN
LESIONES PROVOCADAS POR CAUSAS ELÉCTRICAS, MECÁNICAS O DE
OTRA NATURALEZA.
ARNUNG NICHT BEACHTET
NICHT
ZU RA
TE GEZOGEN UND VERST
, SO KANN
VICIOS AJENO A GEMS SOLICIT
ES ZU VERLETZUNGEN
A UN
ANDEN
IDIOMA
a
GE MEDICAL
REV
0
ATENÇÃO
SYSTEMS
CT XMj/XM1500 SERIES
FUNCTIONAL
CHECK /
ADJUSTMENT
2208844
D ESTE MANUAL DE ASSISTÊNCIA TÉCNICA SÓ SE ENCONTRA
DISPONÍVEL EM INGLÊS.
D SE QUALQUER OUTRO SERVIÇO DE ASSISTÊNCIA TÉCNICA, QUE NÃO A
GEMS, SOLICITAR ESTES MANUAIS NOUTRO IDIOMA, É DA
RESPONSABILIDADE
D NÃO TENTE REPARAR O EQUIPAMENTO SEM TER CONSULTADO E
COMPREENDIDO ESTE MANUAL DE ASSISTÊNCIA TÉCNICA.
DO CLIENTE
FORNECER OS SER
VIÇOS DE TRADUÇÃO.
AVVERTENZA
D O NÃO CUMPRIMENTO DESTE
DO TÉCNICO, OPERADOR OU PACIENTE DEVIDO A‘ CHOQUES ELÉTRICOS,
MECÂNICOS OU OUTROS.
D IL PRESENTE MANUALE DI MANUTENZIONE È DISPONIBILE
SOLTANTO IN INGLESE.
D SE
UN ADDETT
MANUALE IN UNA LINGUA DIVERSA, IL
DIRETTAMENTE ALLA TRADUZIONE.
D SI PROCEDA ALLA MANUTENZIONE DELL’APPARECCHIATURA SOLO DOPO
AVER CONSULTATO IL PRESENTE MANUALE ED AVERNE COMPRESO IL
CONTENUTO.
D NON TENERE CONTO 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.
O ALLA MANUTENZIONE ESTERNO ALLA GEMS RICHIEDE
A
VISO PODE POR EM PERIGO A SEGURANÇA
CLIENTE È TENUT
O A PROVVEDERE
IL
b
CT XMj/XM1500 SERIES
GE MEDICAL
REV
0
SYSTEMS
FUNCTIONAL
CHECK /
ADJUSTMENT
2208844
IMPORTANT! . . . X-RAY PROTECTION
X-ray
equipment if not properly used may cause injury
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, Medical Systems Group, will be glad to assist and
cooperate in placing this equipment in use.
. Accordingly
, the instructions
herein contained should
Although this apparatus incorporates a high degree of protection against
practical design of equipment can provide complete protection. Nor can
take adequate precautions to prevent the possibility of any persons carelessly exposing themselves or others to
radiation.
It
is important that everyone having anything to do with x-radiation be properly trained and fully acquainted with the
recommendations
available from NCRP Publications, 7910 Woodmont Avenue, Room 1016, Bethesda, Maryland 20814, and of the
International
The
equipment is sold with the understanding that
and representatives have no responsibility for injury or damage which may result from improper use of the equipment.
Various
protective material and devices are available. It is urged that such materials or devices be used.
of
the National Council on Radiation Protection and Measurements as published in NCRP Reports
Commission on Radiation Protection, and take adequate steps to protect against injury
the General Electric Company
x-radiation other than the useful beam, no
any practical design compel the operator to
.
, Medical Systems Group, its agents,
All electrica
performed by l
b
y l
icense
b
e p
highly sophisticated
d e
erforme
l i
nstallation
icense
lectrica
d b
y q
d e
l c
ualifie
, a
ontractors
nd specia
s that are p
lectrica
l c
d GE M
edica
l e
reliminar
ontractors
. O
the
ngineering competenc
r c
onnection
l p
ersonnel
y t
. I
o p
ositionin
n a
ddition
. The p
s b
g o
, e
lectrica
etwee
roduct
e i
f the e
quipmen
l f
eed
n p
iece
s o
s i
nvolve
s required.
t a
t the site p
s into the P
f e
lectrica
l e
d (and the a
repare
owe
r D
istributio
quipment
ccompanyin
d for the e
n Unit s
, c
alibrations
g e
lectrica
quipmen
hal
l b
e p
, and t
estin
l i
nstallations
t s
hal
l b
erformed
g s
hall
) a
re
e
In performin
work
The purchaser of GE equipment shall only utiliz e qualified personnel (i.e., GE’s field engineers, personnel of thir d-party
service companies wit
on t
hes
g all e
e p
roducts wil
lectrica
h e
l work o
l c
omply wit
quivalen
n t
hes
t t
raining
e p
roducts, GE will use its own s
h the r
equirements o
, o
r l
icense
f the a
d e
lectricians) t
c
peciall
pplicabl
o p
e e
erfor
y t
raine
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d f
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d e
odes.
l s
ngineers
ervicin
. All o
g on the e
f GE’s e
quipment.
lectrical
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
2208844
DAMAGE IN TRANSPORTATION
All packages should be closely examined at time of delivery. If damage is apparent, have notation “damage in
shipment”
Electric representative or a hospital receiving agent. Whether noted or concealed, damage
carrier immediately
for inspection by the carrier
within
Call Traf
this time be ready to supply name of carrier, delivery date, consignee name, freight or express bill number, item
damaged
Complete instructions regarding claim procedure are found in Section “S” of the Policy & Procedure Bulletins.
written on
this 14 day period.
fic and T
and extent of damage.
all
upon discovery
ransportation, Milwaukee, WI (414) 827–3449
copies of the freight or express bill
, or in any event, within 14 days after receipt, and the contents and containers held
. A transportation company will
not
before
delivery is accepted or
pay a claim for damage if an inspection is not requested
/ 8*285–3449
immediately
“signed for” by a General
MUST
be reported to the
after damage is found. At
OMISSIONS & ERRORS
GE
personnel, please use the GEMS CQA Process to report all omissions, errors, and defects in this documentation.
Customers,
please contact your GE Sales or Service representatives.
CAUTION
Do not use the following devices near this equipment. Use of these devices near this equipment could cause
this equipment to malfunction.
Devices not to be used near this equipment:
Devices
radio–controlled toy
Keep power to these devices turned of
Medical staff in charge of this equipment is required to instruct technicians, patients and other people who may be
around
which intrinsically transmit radio
, etc.
this equipment to fully comply with the above regulation.
waves such as; cellular phone, radio transceiver
f when near this equipment.
, mobile radio transmitter
,
d
CT XMj/XM1500 SERIES
GE MEDICAL SYSTEMS FUNCTIONAL CHECK / ADJUSTMENT
REV 6
2208844
REVISION HISTORY
REV DATE PRIMARY REASON FOR CHANGE
0 Jan. 21, 1998 Initial release..
. . . .
1 Mar. 20, 1998 Error correction and additional information about Autovoice Adjustment for Synergy..
. . . .
2 Jul. 28, 1998 Error correction and additional information about Monitor Adjustment for Synergy..
. . . . .
3 Feb. 26, 1999 Error correction, System Setting for Raw Data File No..
. . . .
4 Jun. 07, 1999 Error correction, TGP reset function..
. . . .
5 Dec. 20, 1999 Error correction.
. . . .
6 Feb. 4, 2003 Added: FDD Jumper setting (Tab 8, sec 1).
. . . . .
PAGE REV PAGE REV PAGE REV PAGE REV PAGE REV
Title page 6.
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3 (Operator Con
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4 (Gantry)
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5 (T
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Tab
8 (Switch/Jump
er Setting of Boards/
Devices)
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A
CT XMj/XM1500 SERIES
GE MEDICAL SYSTEMS FUNCTIONAL CHECK / ADJUSTMENT
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2208844
B
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
CONTENTS
INTRODUCTION (T
Section 1 – General
Section 2 – T
SYSTEM (T
AB 2)
Section 1 – Checks during System Installation
Section 2 – Software Loading (V2.02)
Section 3 – Software Loading (V3.00)
Section 4 – Software Loading (V3.01)
Section 5 – Software Loading
Section 6 – X–ray Alignment
Section 7 – System Calibration
Section 8 – Image Performance V
Section 9 – Network
AB 1)
orque V
alue for Screw T
2208844
ightening
erification
OPERATOR CONSOLE (T
Section 1 – OC Operation
Section 2 – OC Components
Section 3 – Diag T
GANTR
Y (TAB 4)
Section 1 – DC Power Supplies
Section 2 – Rotational Mechanism
Section 3 – Rotational Operation
Section 4 – Slip Rings and Brushes
Section 5 – Collimator
Section 6 – T
Section 7 – T
ilt Operation
able and Gantry
AB 3)
est
i
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
CONTENTS (continued)
TABLE (T
DAS/DETECTOR (T
X–RA
AB 5)
Section 1 – Elevation Function
Section 2 – Longitudinal Function
Section 3 – T
Section 1 – Detector Related Devices
Section 2 – DAS Operation
Y GENERA
Section 1 – X–ray T
Section 2 – KV and mA
Section 3 – PDU
able Accessories
AB 6)
TOR (T
AB 7)
ube
2208844
SWITCH/JUMPER SETTING OF BOARDS/DEVICES (T
Section 1 – Operator Console
Section 2 – Gantry
Section 3 – X–ray Generator
Section 4 – DAS
Section 5 – PDU
AB 8)
ii
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
INTRODUCTION
TABLE OF CONTENTS
SECTION PAGE
SECTION
1 – GENERAL
1-1 ABOUT THIS MANUAL 1–1.
1-2 GENERAL WARNING/CAUTION/NOTICE 1–4.
1-2-1 Gantry 1–4
1-2-2 Operator Console 1–5.
1-3 CE MARKING LABEL (LGT, SRI) 1–6
1-4 CE MARKING LABEL (SNG) 1–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–1.
2208844
SECTION
2 – T
ORQUE V
2-1 NORMAL SCREWS 2–2.
2-2 HEXAGON SCREWS 2–5.
ALUE FOR SCREW TIGHTENING
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–1.
INTRODUCTIONi
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
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2208844
INTRODUCTIONii
GE MEDICAL
SYSTEMS
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INTRODUCTION
TABLE OF CONTENTS
SECTION PAGE
SECTION
1 – GENERAL
1-1 ABOUT THIS MANUAL 1–1.
1-2 GENERAL WARNING/CAUTION/NOTICE 1–4.
1-2-1 Gantry 1–4
1-2-2 Operator Console 1–5.
1-3 CE MARKING LABEL (LGT, SRI) 1–6
1-4 CE MARKING LABEL (SNG) 1–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–1.
2208844
SECTION
2 – T
ORQUE V
2-1 NORMAL SCREWS 2–2.
2-2 HEXAGON SCREWS 2–5.
ALUE FOR SCREW TIGHTENING
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–1.
INTRODUCTIONi
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
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2208844
INTRODUCTIONii
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
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ADJUSTMET
REV 0
DEATH
READ AND THOROUGHLY UNDERSTAND THE ‘PREINSTALLATION/SAFETY GUIDELINES’
MANUAL (2111460) BEFORE PERFORMING ANY PROCEDURE IN THIS ‘FUNCTIONAL
CHECK/ADJUSTMENT.’
1-1 ABOUT
OR SERIOUS INJUR
THIS MANUAL
2208844
SECTION 1 – GENERAL
WARNING!
Y!!
Before Using This Manual
This CT system is especially dangerous because its weighty Gantry continuously rotates at high speeds with high
power
electric current (550 ∼ 750 VDC) conducted through its slip rings.
The
hazards, although sometimes obvious, need to be recognized since the potential for serious injury or death exists.
INTRODUCTION1–1
CT XMj/XM1500 SERIES
GE MEDICAL
REV
0
1-1 ABOUT THIS MANUAL (continued)
CT Products to Which This Manual Applies to:
This ‘Functional Check/Adjustment’ manual is used for CT products listed in the table below:
T
able 1–1
SYSTEMS
Product Name and Code Name
FUNCTIONAL
CHECK /
ADJUSTMET
2208844
Code Name
GEMS–AM GEMS–E GEMS–A GEYMS
LGT
, SRI
SNG Sytec Synergy Sytec Synergy Sytec Synergy –
Each of the code names represents a product family; for example, Legato, Legato Duo, and Sytec SRi constitute a
product family
In this manual, product names (Legato, Sytec SRi, ...) or product family names (i.e., code
used to indicate some sections, illustrations, or other types of information which are only applied to those products
indicated.
, called ‘LGT
Sytec SRi Sytec SRi Sytec SRi
– – –
, SRI.’
Product Name
Legato Duo
names; LGT
Legato
, SRI, ...) are
INTRODUCTION1–2
GE MEDICAL
REV
0
1-1 ABOUT THIS MANUAL (continued)
Use of This Manual
Use this ‘Functional Check/Adjustment’ for the following purposes:
SYSTEMS
D
A during– and post–installation check to ensure that the entire system operates properly
D
As a reference source for Periodic Maintenance which mainly contains abbreviated lists.
D
A post–FMI (Field Modification Instruction) check to verify system operation.
D
A pre–diagnostic check to verify or determine failure symptoms before or during troubleshooting.
D A
post–diagnostic check to verify system operation after repairs, before returning it to the customer to use.
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
2208844
.
INTRODUCTION1–3
GE MEDICAL
REV
0
1-2
GENERAL W
1-2-1 Gantry
ROTATION AND ELECTROCUTION HAZARDS!
SWITCH
OF THE GANTRY BASE BEFORE INSERTING ANY OBJECT INTO OR WORKING ON THE
GANTRY.
SYSTEMS
ARNING/CAUTION/NOTICE
OFF THE ‘ROTATE’ AND ‘XG
FUNCTIONAL
WARNING!
(SAFETY LOOP)’ SWITCHES LOCA
WARNING!
CT XMj/XM1500 SERIES
CHECK /
TED A
T THE REAR
ADJUSTMET
2208844
ROTATION HAZARD!
ALWAYS
DETECT
INSERT THE GANTR
OR, HV T
ANK, OR OTHER WEIGHTY COMPONENTS.
Y AZIMUTH LOCK PIN BEFORE REPLACING THE TUBE, DAS,
WARNING!
ELECTROCUTION!
DANGEROUS VOLTAGES ARE PRESENT ON UNSHIELDED TERMINALS. USE EXTREME
CAUTION
WHEN WORKING ON LIVE EQUIPMENT
.
WARNING!
ROTATION HAZARD!
ANY OF THE FOLLOWINGS WILL INITIATE THE GANTR
1. POWERING ON THE SYSTEM OR GANTR
2. SWITCHING ON THE ‘CONTROL
3. PUSHING THE RESET SWITCH ON THE TGP BOARD.
4. PUSHING THE POSITIONING LIGHT BUTT
STAND CLEAR OF THE ROTATING GANTRY.
’ SWITCH.
Y.
ON.
Y ROT
ATION:
INTRODUCTION1–4
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
1-2-2
Operator Console
WARNING!
ELECTRICAL SHOCK HAZARD!
DANGEROUS VOLTAGES EXIST ON EXPOSED SURFACES. USE EXTREME CAUTION
WHEN
Rotating fan assemblies!
Do
WORKING ON LIVE EQUIPMENT
.
CAUTION
not place any item into rotating blades. Use extra care when working near fan assemblies.
NOTICE
2208844
Turn
OFF power before removing or inserting any board or plug.
INTRODUCTION1–5
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
1-3
CE MARKING LABEL
This CT system is either an EMC model, or non–EMC model. (EMC: Electromagnetic Compatibility)
For
the EMC
models, a ‘CE Marking Label’ is attached on the rear side of the Operator Console, near its rating plate.
CE MARKING
LABEL
0459
OC
REAR
VIEW
1-4
CE MARKING LABEL
This CT system is either an EMC model, or non–EMC model. (EMC: Electromagnetic Compatibility)
For
the EMC
models, a ‘CE Marking Label’ is attached on the rear side of the Operator Console, near its rating plate.
2208844
(LGT
, SRI)
(SNG)
CE MARKING
LABEL
OC REAR VIEW
0459
INTRODUCTION1–6
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
2208844
SECTION 2 – TORQUE VALUE FOR SCREW TIGHTENING
CAUTION
Use locktite for screws which are installed to the Gantry rotation block. Use stud bolt with
locktite
When you secure stud bolts with locktite, you must keep the screw torque shown in Table
‘Stud Bolt (Steel) with Locktite.’
Do
100
or nylon nut to prevent loosening if a screw is removed in service maintenance.
CAUTION
not rotate the Gantry until the locktite hardens.
% after 16 hours.)
(75 % of maximum strength after 2 hours;
If it is not possible to wait for the time period mentioned above, use nylon nuts.
T
ABLE 2–1
Screw Size
M 4
M 5
M 6
M 8
*Unless otherwise specified
UNIT
Kg–cm
Stud Bolt (Steel) with Locktite
Torque [kg–cm]
(Unless other
wise specified)
10
15
35
70
-
INTRODUCTION2–1
GE MEDICAL
material, use the
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
2-1
NORMAL SCREWS
Secure normal screws with the tightening torque shown in the following tables
T
ABLE 2–2
Screw Size
M 1
M 1.2
M 1.4
M 1.7
M 2
M 2.2
M 2.3
Pan Head Screw
T
orque [kg–cm] (Unless otherwise specified)
Brass
(Screw & Nut)
Steel (4.8)
(Screw & Nut)
0.17 0.18 0.22
0.32 0.34 0.42
0.49 0.52 0.65
0.90 0.96 1.2
1.5 1.6 1.9
1.9 2.0 2.5
2.3 2.5 3.1
Stainless
(Screw & Nut)
If screw and nut
are of dif
material, use the
weakest torque.
unless otherwise specified
(Combination)
ferent
2208844
.
M 2.5
M 2.6
M 3
M 3.5
3.0 3.2 4.0
3.4 3.6 4.5
5.3 5.7 7.1
8.2 8.7 11
M 4
M 4.5
M 5
M 6
M 8
*Unless otherwise specified
UNIT
Kg–cm
17.5 19 23.5
24.5 26.5 33
41.5 44 55
101 108 135
12 13 16
Style
M
L
INTRODUCTION2–2
GE MEDICAL
material, use the
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
Screw Size
M 1
M 1.2
M 1.4
M 1.7
M 2
M 2.2
M 2.3
M 2.5
M 2.6
M 3
M 3.5
T
ABLE 2–3
Binder Screw
T
orque [kg–cm] (Unless otherwise specified)
Brass
(Screw & Nut)
Steel (4.8)
(Screw & Nut)
– – –
– – –
– – –
– – –
1.6 1.7 2.1
2.0 2.2 2.7
2.5 2.7 3.4
3.2 3.4 4.2
3.6 3.9 4.8
5.6 6.0 7.5
8.7 9.3 11.5
Stainless
(Screw & Nut)
(Combination)
If screw and nut
are of dif
ferent
material, use the
weakest torque.
2208844
M 4
M 4.5
18.5 20 25
M 5
M 6
M 8
*Unless otherwise specified
UNIT
Kg–cm
107 114 143
13 13.5 17
26 27.5 34.5
44 47 58.5
Style
M
L
INTRODUCTION2–3
GE MEDICAL
material, use the
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
Screw Size
M 1
M 1.2
M 1.4
M 1.7
M 2
M 2.2
M 2.3
M 2.5
M 2.6
M 3
M 3.5
T
ABLE 2–4
Flat Head Screw
T
orque [kg–cm] (Unless otherwise specified)
Brass
(Screw & Nut)
Steel (4.8)
(Screw & Nut)
0.21 0.22 0.27
0.39 0.42 0.52
0.61 0.65 0.82
1.1 1.2 1.5
1.9 2.0 2.5
2.4 2.6 3.2
3.0 3.2 4.0
3.8 4.1 5.1
4.4 4.6 5.8
6.8 7.2 9.0
10.5 11 14
Stainless
(Screw & Nut)
(Combination)
If screw and nut
are of dif
ferent
material, use the
weakest torque.
2208844
M 4
M 4.5
M 5
15.5 16.5 20.5
22.5 24 30
31.5 33.5 42
M 6
M 8
*Unless otherwise specified
UNIT
Kg–cm
130 139 173
53 56.5 71
Style
M
L
INTRODUCTION2–4
GE MEDICAL
material, use the
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
REV 0
2-2
HEXAGON SCREWS
T
ighten allen (hexagonal) screws with the torque shown in T
T
ABLE 2–5
Screw Size
M 4
M 5
M 6
M 8
M 10
M 12
Hexagon Screw
T
orque [kg–cm] (Unless otherwise specified)
Ferrite
(Screw & Nut)
Aluminum
(Screw & Nut)
35 28 17.5
70 56 35
117 96.3 58.5
285 228 142.5
563 450.4 281.5
976 780.8 488
able below
unless otherwise specified
Aluminum Steel
Alloy
(Screw & Nut)
(Combination)
If screw and nut
are of dif
ferent
material, use the
weakest torque.
2208844
.
Style
*Unless otherwise specified
UNIT
Kg–cm
or
L
L
INTRODUCTION2–5
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMET
blank
2208844
INTRODUCTION2–6
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
SYSTEM
TABLE OF CONTENTS
SECTION PAGE
SECTION
1 – CHECKS DURING SYSTEM INST
1 GROUND CONTINUITY 1–1.
2 LOAD DISTRIBUTION 1–1.
2–1 PDU:2108024/2108025 (LGT, SRI) 1–2.
2–2 PDU:2108024/2108025 (SNG) 1–9.
2–3 2121798 PDU (LGT, SRI) 1–11.
2–4 2121798 PDU (SNG) 1–14.
3 GANTRY ROTATION CHECK 1–17.
4 EMERGENCY OFF TEST 1–18.
5 X–RAY TUBE OVERHEAT SAFETY 1–22.
6 X–RAY TUBE OIL 1–24.
7 FANS 1–26
8 FILTER 1–27
9 SCAN TEST (LGT, SRI) 1–28.
10 SCAN TEST (SNG) 1–31.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ALLATION 1–1.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2208844
SECTION
SECTION
SECTION
2 – SOFTW
1 GENERAL 2–1.
2 FLOPPY DISKS FOR SYSTEM/OPTION SOFTWARE 2–3.
3 PRE–ATINST PROCEDURE 2–5.
4 SOFTWARE LOADING (ATINST) 2–15.
5 POST–ATINST PROCEDURE 2–21.
3 – SOFTW
1 GENERAL 3–1.
2 FLOPPY DISKS FOR SYSTEM/OPTION SOFTWARE 3–3.
3 PRE–ATINST PROCEDURE 3–5.
4 SOFTWARE LOADING (ATINST) 3–15.
5 POST–ATINST PROCEDURE 3–21.
4 – SOFTW
1 GENERAL 4–1.
2 SOFTWARE LOADING 4–2.
ARE LOADING (V2.02)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ARE LOADING (V3.00)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ARE LOADING (V3.01)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(LGT
, SRI)
. . . . . . . . . . . . . . . . . . . . . . . .
(LGT
, SRI)
. . . . . . . . . . . . . . . . . . . . . . . .
(LGT
, SRI)
2–1
3–1
4–1
SYSTEMi
GE MEDICAL
REV
0
SECTION PAGE
SYSTEMS
TABLE OF CONTENTS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
2208844
SECTION
SECTION
SECTION
SECTION
5 – SOFTW
1 GENERAL 5–1.
2 DATA SAVE 5–2.
3 HARDWARE SETTING 5–5.
4 SOFTWARE LOADING 5–7.
5 DATA RESTORE 5–20.
6 – X–RA
1 GENERAL 6–1.
2 PLANE OF ROTATION 6–5.
3 DETECTOR BEAM–ON–WINDOW 6–11.
4 GRAVITY SAG 6–17.
5 ISO CENTER ALIGNMENT 6–24.
6 FILTER CENTER ALIGNMENT 6–30.
7 – SYSTEM CALIBRA
1 GENERAL 7–1.
2 CAM AMPLIFIER LINEARITY CHECK (X–RAYS) (LGT, SRI) 7–3
3 AIR AND PHANTOM CALIBRATIONS (LGT, SRI) 7–7
4 CT NUMBER ADJUSTMENT (LGT, SRI) 7–9
5 CAL + AUTO CT NUMBER ADJUSTMENT (SNG) 7–13
6 AUTO CT NUMBER ADJUSTMENT (SNG) 7–16
8 – IMAGE PERFORMANCE VERIFICA
1 IMAGE PERFORMANCE (LGT, SRI) 8–1
2 IMAGE PERFORMANCE (SNG) 8–9
ARE LOADING (SNG) 5–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Y ALIGNMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TION 7–1.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TION 8–1.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–1.
SECTION
9 – NETWORK
1 GENERAL (SNG) 9–1
2 COMMUNICATION DATA HANDLING (SNG) 9–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9–1.
SYSTEMii
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
SECTION 1 – CHECKS DURING SYSTEM INSTALLATION
1. GROUND
Refer
to Section 4, Ground Continuity Check, of the Installation tab of the Installation/Component Replacement manu
al
(2111461 or 2121807).
2. LOAD DISTRIBUTION
ELECTROCUTION! DANGEROUS VOLTAGES EXIST WITHIN THE UNITS, USE EXTREME
CARE TO A
CONTINUITY
VOID INJUR
WARNING!
Y T
O PERSONNEL AND EQUIPMENT
.
2208844
-
CAUTION
Leave all power to the system OFF and tagged until power is called for in specific steps.
Follow the steps below
Follow this sequence to protect you and the equipment from irreparable damage.
PDU Model
Select a correct PDU model from the menu which your system includes.
exactly
in the order they are written. This procedure is developed with your safety in mind.
SYSTEM1–1
GE MEDICAL
SYSTEMS
FUNCTIONAL
CT XMj/XM1500 SERIES
CHECK /
ADJUSTMENT
REV 0
2–1.
PDU:2108024/2108025
1. Preparation.
a. V
erify that all the breakers and switches listed below are set to OFF
Breaker on the Power Distribution Box (hospital supply).
Breaker (SW20) on the PDU
Five switches (‘Rotate,’ ‘XG,’ ‘T
Servo Amp. breaker
Service switch on the Sub Board on the Gantry
SYS/OFF/MNL switch on the TGP Board on the Gantry
T
wo breakers (NFB1, NFB2) on the OC See Illustration.2.
b.
Remove the front panel from the PDU.
c.
Remove the top cover from the OC.
able/T
ilt,’ ‘Control,’ and ’Slip Ring 1
.
15V’) at the Gantry rear base
2208844
(LGT
, SRI)
d.
Remove the left side cover from the Gantry
2.
Switch ON two breakers (NFB1, NFB2) on the OC.
3.
Switch ON the breaker on the Power Distribution Box (hospital supply).
4.
Switch ON the SW20 breaker on the PDU.
V
erify that the ‘Power
’ lamp on the front upper left corner of the PDU turns ON.
.
SYSTEM1–2
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