Sirona galileos Technical specifications

MTKOMMV
båÖäáëÜ
kÉï=~ë=çÑW=
d^ifiblp
j~áåíÉå~åÅÉ=fåëíêìÅíáçåë=====
Version 4.0
GALILEOS
GALILEOS GAX5

kÉï=~ë=çÑW= MTKOMMV
Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
2D3437.103.01.04.02
Changes since the last version: 07.2008
Chapter or section page
9.2.1 GALILEOS diaphragm adjustment „Type 2“ ............. 20
9.2.2 GALILEOS GAX5 diaphragm adjustment „Type 2“ ... 21
9.2.3 GALILEOS diaphragm adjustment „Type 3“ ............. 22
9.2.4 GALILEOS GAX5 diaphragm adjustment „Type 3“ ... 23
9.2.5 Diaphragm adjustment „Type 3 Upper jaw" .............. 24
9.2.6 Diaphragm adjustment „Type 3 Lower jaw" .............. 25
9.7 Shading calibration ...................................................... 30
ATTENTION !
Proper shielding of room and operator
position is essential.
Since these requirements vary from state
to state it is the assembler's/installer's
responsibility that all local radiation
safety requirements are met.
General information

Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 3
båÖäáëÜ
1General ................................................................................................................................ 5
2Visual Check ....................................................................................................................... 6
3Indicator Lights and audible Signal.................................................................................. 7
4Power supply adequacy..................................................................................................... 9
5kV – verification ................................................................................................................ 10
6Tube Current Verification ................................................................................................ 13
7Exposure Time Verification ............................................................................................. 15
8Calculating / checking mAs values................................................................................. 17
9Adjusting / calibrating the system.................................................................................. 18
9.1 System adjustment menu ....................................................................... 18
9.2 Diaphragm exposure .............................................................................. 20
9.2.1 GALILEOS diaphragm adjustment „Type 2“........................................... 20
9.2.2 GALILEOS GAX5 diaphragm adjustment „Type 2“ ................................ 21
9.2.3 GALILEOS diaphragm adjustment „Type 3“........................................... 22
9.2.4 GALILEOS GAX5 diaphragm adjustment „Type 3“ ................................ 23
9.2.5 Diaphragm adjustment „Type 3 Upper jaw"............................................ 24
9.2.6 Diaphragm adjustment „Type 3 Lower jaw"............................................ 25
9.3 Checking the radiation field .................................................................... 26
9.4 Dosimetry................................................................................................ 27
9.5 Sensor calibration................................................................................... 28
9.6 Iris calibration.......................................................................................... 29
9.7 Shading calibration ................................................................................. 30
9.8 Distortion calibration ............................................................................... 31
9.9 Geometric calibration.............................................................................. 32
10 Checking the laser............................................................................................................ 33
Contents

Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
4D3437.103.01.04.02

Sirona Dental Systems GmbH 1 General
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 5
båÖäáëÜ
To stay in compliance with the DHHS requirements the
GALILEOS must be maintained annually following date of
installation.
It is the responsibility of the user to insure that the equip-
ment is maintained with the manufacturer's recommended
Maintenance Instructions to insure compliance with the
Federal Performance Standard.
The manufacturer and the assembler/installer are relieved
from responsibility in those cases where noncompliance
with the standard results from the user's failure to have the
manufacturer's recommended maintenance performed.
The actual maintenance inspection and consequent ser-
vice must be accomplished by a trained serviceman. Nei-
ther the inspection nor service is part of the equipment war-
ranty.
Technical instructions required
Operating Instructions
Service Manual
Instruments and adjustment tools required
All measuring devices must be suitable for measurements
on the mains potential.
This includes the pulse counter.
This means: A voltage of 1000 V between a connection and
ground must be possible.
1. Digital multimeter Fluke 87 III or equivalent.
Accuracy:
DC voltagε ± 0.1 % of reading plus 0.02% of range
DC curreντ ± 0.4 % of reading plus 0.1% of range.
2. Electromechanical pulse counter, model KESSLER
ELLIS KT 203 ±1 pulse, or equivalent..
3. A dose measurement device (e.g. Mult-O-Meter type
510L) is required for dosimetry
4. Adjustment set with alignment tool for X-ray beam , test
block and needle phantom delivered with the unit, (cus-
tomer's property).
DANGER RADIATION
Observe the radiation protection guide lines as outlined in
the Operating Instructions manual.
X-radiation is emitted as long as the release button is de-
pressed.
The X-ray indicator must light up on the Easypad / Multipad
during radiation. An acoustic signal must also be heard.
Power Supply Adequacy
To assure that the GALILEOS system performance is in
accordance with Sirona specifications, an adequate power
supply for permanently installation is essential.
The Federal Performance Standard for diagnostic X-ray
units, code of Federal Regulations, Title 21 CFR, Subchap-
ter J, mandates an adequate power supply.
Duty Cycle
Between exposures maintain at least a cool-off time (auto-
matic exposure blockage, see Operating Instructions man-
ual).
Operating Instructions
During measurements and controls it is necessary to ener-
gize or de-energize the unit. For all operating steps please
refer to the Operating Instructions manual.
CAUTION with PC Boards!
All PC boards are fitted with electronic components sensi-
tive to electrostatic discharge (ESD). In an environment of
moving people electrostatic charges are unavoidable due to
friction caused by clothing, carpeting etc.
CAUTION
To prevent damage of electronic chips do not touch same.
Always handle circuit boards by their edges.
WARNING
Electrical Shock Hazard!
Always turn unit OFF before connecting and disconnecting
the test leads to the test points
DANGER
Life-threatening voltage on DX6.
1 General
ON
OFF

2 Visual Check Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
6D3437.103.01.04.02
• Look for mechanical damage possibly affecting radia-
tion safety.
• Verify that all labels are affixed and legible.
Defaced labels must be replaced.
Order same from Sirona (address, see rear)
in writing stating:
• Customer Name
• Customer Address
All Model Numbers with Serial Numbers still legible on the
unit for identification purposes. For serial numbers see also
Installation Report/Warranty Passport.
2 Visual Check
SIDEXIS
Software
Logiciel

Sirona Dental Systems GmbH 3 IndicatorLightsandaudibleSignal
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 7
båÖäáëÜ
•Unit ON LED:
Depress the main switch into the ”I” position to turn unit
ON.
The unit adjusts itself automatically, wait about
1minute.
The ”Unit ON LED” in the upper right corner of the user
interface will then indicate that the unit is ON.
•Testing the keys and the functions on the user in-
terface.
– When the height adjustment is made the loud-
speaker should hum.
– If remote is installed, test the remote keys and dis-
play in addition.
– The release button must not be defective or broken.
See also Operating Instructions under ”Preparing the Expo-
sure” subchapter ”Switching the system on”.
3 Indicator Lights and audible Signal
T
R
Prog.
kV
mAs
Remote
ON
OFF
Radiation indicator Unit ON LED
Release button
Easypad
Multipad

3 Indicator Lights and audible Signal Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
8D3437.103.01.04.02
•Make a exposure:
– X-ray head must be in the initial position (If not,
press return key R).
– Establish exposure readiness via SIDEXIS XG.
For more details and possible error messages see
Operating Instructions.
– Set the VO1 exposure program using the – + keys.
– Select 85kV/14mAs using – + keys.
DANGER RADIATION
– Depress the exposure button and hold until the
exposure terminates automatically.
– The exposure ends when the rotation and radiation
automatically switch off.
– The radiation indication must light up during the
exposure period.
– Simultaneously an audible beep must sound at the
unit.
•Interrupt an exposure – deadman feature:
– Observe a cool-off time of max. 5 mins. between
exposures (automatic exposure blockage).
– Setting same as above.
DANGER RADIATION
– Depress the release button until X-ray lights up and
subsequently release – the exposure must
terminate immediately. The radiation indicator
lights up.
DANGER RADIATION
Defective light indicators constitute a safety hazard to the
patient as well as to the operator.
The user is not permitted to use the unit, until repairs
are made!
T
R
Prog.
kV
mAs
Radiation indicator Unit ON LED
Return key R
CAUTION RADIATION !
Observe Radiation Protection Guide Lines
see Operating Instructions
– + keys Submenu
GALILEOS
Radiation indicator Unit ON LED
Return key R – + keys Submenu
GALILEOS GAX5

Sirona Dental Systems GmbH 4 Powersupplyadequacy
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 9
båÖäáëÜ
• To determine power supply adequacy, the line volt-
age drop during exposure must be measured.
1. Be sure power is disconnected at the central distribu-
tion panel!
• Remove front cover (for details see Service Manual).
2. Select 300VAC line voltage range on multimeter .
Connect measuring leads to terminal K1, Land N.
3. Connect power and switch unit ON ➊.
Wait 1 min. for self-adjustment of the unit.
Press key R oto return X-ray tube head into the initial
position.
4. Establish exposure readiness via SIDEXIS XG.
5. Select highest exposure level e.g. 85kV/28mAs
(for details see User Manual).
DANGER RADIATION
– Depress the exposure key until meter reading is
obtained.
Record reading.
• Turn unit OFF.
• Remove meter leads and refit cover.
NOTE
i
If the voltage drop is not within the specified range ad-
vise the customer, that an adequate power supply must be
installed. Refer to Pre-Installation Instructions.
Disconnect unit and do not release for use!
4 Power supply adequacy
➊
o
*
3.
1. 2.
K1
300 VAC
K1
T
R
Prog.
kV
mAs
A
➊
o
*
Line voltage, no load: Max. permissible line voltage
drop:
180 – 208V 9V
208 – 230V 8V
230 – 240V 7.5V
240 – 264V 7V

5 kV – verification Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
10 D3437.103.01.04.02
DANGER
The electronics of the X-ray tube assembly are always
connected to line voltage.
Always switch the X-ray unit off and wait until V203 is
no longer illuminated before contacting the test leads.
CAUTION
The test leads and measuring instruments used must have
a dielectric strength of at least 1000V!
Be sure to use a battery-powered measuring instrument
with shock-hazard-protected sockets.
Use only test leads with shock protection.
NOTE
i
Measurements:
85kV correspond to 4.25V, permissible tolerance +/-10%
1. Connect power and switch unit ON ➊and wait
1 minute. Press key R
o to return X-ray tube head into
the initial position.
CAUTION
The service routine S011.9 generates no ring cycle! The
tube assembly or ring must not be moved more than 10 °
from the start position as long as the cover Bis dismantled;
otherwise, the unit could possibly be damaged!
2. Loosen the three screws Aand remove housing
cover B.
3. Loosen the four screws Cand remove cover plate D
from the electronics box.
5 kV – verification
2. 3.
1.
➊
o
*
A
B
A
A
C
D
T
R
Prog.
kV
mAs
A
➊
o
*

Sirona Dental Systems GmbH 5 kV–verification
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 11
båÖäáëÜ
4. Connect digital voltmeter to KV+ and KV– test points on
PC board DX6 and select range 20 VDC.
5. Connect power and switch unit ON ➊and wait 1 min-
ute. Press key R oto return X-ray tube head into the
initial position.
• Call up the service routine S011.9 (see Service Manu-
al).
CAUTION
The service routine S011.9 generates no ring cycle! The
tube assembly or ring must not be moved more than 10
°
from the start position as long as the cover Bis dismantled;
otherwise, the unit could possibly be damaged!
• Establish exposure readiness via SIDEXIS XG.
Measurement:
DANGER RADIATION
Depress the exposure key until the exposure termi-
nates automatically.
The following values must be obtained
(see also diagram on next page)
• up to 4 seconds: 4.25 V ± 0.45V
NOTE
i
If specified values cannot be obtained, see Service
Manual.
3. 4.
20VDC
com.
KV- KV+
PC board DX6
400VDC
➊
o
*
T
R
Prog.
kV
mAs
A
➊
o
*

5 kV – verification Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
12 D3437.103.01.04.02
Voltage pulses
measurable with an oscilloscope, 85kV is equivalent with
4,25V on oscilloscope.
• Turn unit OFF and remove meter leads.
40
10
20
30
40
50
60
70
80
90
100
20 80 100 120 140ms
Nominal
kV
60 time
complete
exposure time
0
10...30ms
70ms
14s
setting 85kV
(example)

Sirona Dental Systems GmbH 6 TubeCurrentVerification
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 13
båÖäáëÜ
DANGER
The electronics of the X-ray tube assembly are always
connected to line voltage.
Always switch the X-ray unit off and wait until V203 is
no longer illuminated before contacting the test leads.
CAUTION
The test leads and measuring instruments used must have
a dielectric strength of at least 1000V!
Be sure to use a battery-powered measuring instrument
with shock-hazard-protected sockets.
Use only test leads with shock protection.
DANGER
Be sure to switch the X-ray unit off before removing the
jumper for the mA measuring jack.
1. Be sure power is disconnected at the central distribu-
tion panel!
2. Remove jumper Afrom MA+/MA – test points on PC
board DX6. Connect digital ammeter to MA+ and MA–
and select range 20 mADC.
3. Switch unit ON ➊and wait 1 minute.
Press key R oto return X-ray tube head to the initial po-
sition.
6 Tube Current Verification
2.
MA–MA+
20mADC
com.
PC-board DX6
·
A
400 VDC
3.
➊
o
*
T
R
Prog.
kV
mAs
A
➊
o
*

6 Tube Current Verification Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
14 D3437.103.01.04.02
• Call up the service routine S011.9 see Service Manual.
CAUTION
The service routine S011.9 generates no ring cycle! The
tube assembly or ring must not be moved more than 10 °
from the start position as long as the cover Bis dismantled;
otherwise, the unit could possibly be damaged!
• Establish exposure readiness via SIDEXIS XG.
Measurement:
DANGER RADIATION
Depress the exposure key and hold depressed until
meter reading is obtained.
The ammeter must indicate 7mA ±1.4mA.
Record reading.
NOTE
i
Readings: 1mA corresponds to a tube current of 1mA, per-
missible tolerance +/-20%
NOTE
i
If specified values cannot be obtained, see Service
Manual.
• Turn unit OFF and remove meter leads.
• Replace jumper!

Sirona Dental Systems GmbH 7 ExposureTimeVerification
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 15
båÖäáëÜ
DANGER
The electronics of the X-ray tube assembly are always
connected to line voltage.
Always switch the X-ray unit off and wait until V203 is
no longer illuminated before contacting the test leads.
CAUTION
The test leads and measuring instruments used must have
a dielectric strength of at least 1000V!
Be sure to use a battery-powered measuring instrument
with shock-hazard-protected sockets.
Use only test leads with shock protection.
1. Be sure power is disconnected at the central distribu-
tion panel!
2. Connect...
– test point T2 of terminal on PC board DX6 to Lof
200V-240V power receptacle
– the common lead of the pulse counter to Nof the
200V-240V power receptacle
– the second measuring lead of the pulse counter to
test point T1
3. Switch unit ON ➊and wait 1 minute.
Press key R oto return X-ray tube head to the initial
position.
7 Exposure Time Verification
to N
to L
T1
Pulse counter
T2
400 VDC
PC board DX6
of 200-240VAC,
power receptacle
50Hz/60Hz
2.3.
T
R
Prog.
kV
mAs
A
➊
o
*
➊
o
*

7 Exposure Time Verification Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
61 16 813 D3437
16 D3437.103.01.04.02
• Call up the service routine S011.9 (see Service Manu-
al).
CAUTION
The service routine S011.9 generates no ring cycle! The
tube assembly or ring must not be moved more than 10
°
from the start position as long as the cover Bis dismantled;
otherwise, the unit could possibly be damaged!
• Establish exposure readiness via SIDEXIS XG.
Measurement:
DANGER RADIATION
Depress the exposure key and hold depressed until the
exposure terminates automatically.
• Measured values at 50 Hz: 200 pulses +/-10%
• Measured values at 60 Hz: 240 pulses +/-10%
Record average pulse count.
NOTE
i
If specified value cannot be obtained, see Service
Manual.
• If specified value is obtained, switch unit OFF.
• Remove upper cover and meter leads.
4. Screw the cover plate Dback on to the electronics box.
5. Reattach the housing cover B.
4.5.
B
D

Sirona Dental Systems GmbH 8 Calculating/ checkingmAsvalues
Maintenance Instructions GALILEOS
61 16 813 D3437
D3437.103.01.04.02 17
båÖäáëÜ
Calculate the mAs values for 50Hz or 60 Hz according to
the following formulas:
•For50Hz:
Tube current (in A) x pulses x 0.02s = value (in mAs)
•For60Hz:
Tube current (in A) x pulses x 0.016s = value (in mAs)
The value obtained must be 28mAs ± 10%!
NOTE
i
If specified value cannot be obtained, see Service
Manual.
8 Calculating / checking mAs values

9 Adjusting / calibrating the system Sirona Dental Systems GmbH
9.1 System adjustment menu Maintenance Instructions GALILEOS
61 16 813 D3437
18 D3437.103.01.04.02
9.1 System adjustment menu
The SERVICE FUNCTIONS menu (1.) will guide you through
the calibration process. This service routine is started from
SIDEXIS XG:
UTILITIES ÆCONSTANCY TESTÆ3DÆ(SELECT X-RAY
DEVICE) ÆSERVICE EXPOSURE Æpassword query Æ
(SELECT X-RAY COMPONENT) ÆSERVICE FUNC-
TIONS menu
The queries
SELECT X - RAY DEVICE and SELECT X - RAY
COMPONENT will only appear if several units are set up in
SIDEXIS XG.
NOTE
i
The SERVICE FUNCTIONS menu is password-protected. As
password, enter the first four digits of the current system
date (PC) in reverse order.
Example: On 05/30/2004, the service password is 5003
NOTE
i
When you open the SERVICE FUNCTIONS menu, the unit
switches from the user mode to the PC service mode
logged by the PC.
For GALILEOS:
This mode is displayed on the Easypad via the PC service
image (2.).
For GALILEOS GAX5:
This mode is displayed on the Multipad via the "SERVICE"
display (3.).
.
In PC service mode, the control options that are available
on the control panel are determined by SIDEXIS XGand the
currently selected service routine. General control of the
unit by means of the control panel (as in the user mode) is
not possible in this mode.
The
SERVICE FUNCTIONS menu contains 9 sub-menus
that can be selected using the menu tabs.
The tools pictogram shows which (if any) test phantom
should be used for this particular adjustment step.
The message window displays text messages regarding
the adjustment process..
To the right of the menu you can see the status column.
This column contains information about the system's cur-
rent calibration state.
To quit the
SERVICE FUNCTIONS menu, click CANCEL .
9 Adjusting / calibrating the system
1. 2.
menu tab
Status column
Message
window
Tools pictogram
3.
SERVICE
Preview
Image
green
and
checked
valid data record,
calibration is in progress.
No calibration required!
green calibration data record present, calibra-
tion has not been performed, calibration
might not be sufficient.
Calibration required!
red invalid data record or no record present
Calibration required!
9

Sirona Dental Systems GmbH 9 Adjusting/ calibratingthesystem
Maintenance Instructions GALILEOS 9.1 Systemadjustmentmenu
61 16 813 D3437
D3437.103.01.04.02 19
båÖäáëÜ
Preview image
The
DIAPHRAGM and SHADING submenus each contain a
preview image that symbolizes the exposure to be taken
during the calibration step.
Due to the varying geometry of the GALILEOS and the
GALILEOS GAX5 diaphragms, the preview images
displayed in these sub-menus differ slightly (see
illustrations above).
We use only the display of the GALILEOSin these
instructions, unless explicit reference is made to the
GALILEOS GAX5.
To quit the
SERVICE FUNCTIONS menu, click CANCEL .
GALILEOS GALILEOS GAX5

9 Adjusting / calibrating the system Sirona Dental Systems GmbH
9.2 Diaphragm exposure Maintenance Instructions GALILEOS
61 16 813 D3437
20 D3437.103.01.04.02
9.2 Diaphragm exposure
9.2.1 GALILEOS diaphragm adjustment „Type 2“
• Open the
SERVICE FUNCTIONS menu.
1. Select the
DIAPHRAGM sub-menu.
2. Make SIDEXIS XG ready for exposure:
Click IMAGE ACQUISITION
The exposure dialog box showing the exposure status
appears in SIDEXIS XG.
Service routine S030.5 is displayed on the Easypad
touchscreen.
3. Press the R key to move the unit back to the starting
position.
4. Press the release button. Hold down the release button
until image acquisition is completed and the acoustic
signal for end of exposure (double beep) sounds.
5. Evaluate the image.
– The brightness distribution along the border
surrounding the image on all sides must be uni-
form (A).
– The distance from the lower edge to the lowest
point in the image must be within the tolerance
range (inside the auxiliary lines) (B)
NOTE
i
If the distance between the bottom edge and the lowest
point in the image is out of tolerance (B) or the brightness
distribution along the surrounding border is not uniform (C),
the diaphragm must be adjusted mechanically (see Service
Manual).
6. If the exposure is OK (A+B), confirm this by clicking the
check box underneath the message window.
The box will appear checked.
C
2.
1.
3.
5.
R
WAIT!
UNTIL UNIT IS IN STARTING POSITION
4.
Adjustment: not OK
Adjustment: OK
A
B