Sirona Heliodent Maintenance instruction
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Maintenance Instructions Sirona Dental Systems GmbH
ATTENTION!
Adequate lead proofing 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.
2 41 62 983 D 3202.101.01.06.02
Sirona Dental Systems GmbH Maintenance Instructions
General
In order to ensure in compliance with the DHHS requirements the HELIODENT®DS must be maintained
annually following date of installation. It is the responsibility of the user to ensure that the equipment is maintained in accordance with the manufacturer's recommended Maintenance Instructions to ensure compliance with the Federal Performance Standard.
The manufacturer and the assembler/installer are not responsible for disturbances in operation when the
equipment is not used in accordance with the operating instructions.
The maintenance inspection and consequent service must be accomplished by a skilled technician.
Neither the inspection nor service is part of the equipment warranty.
Technical instructions required
Operating Instructions and Service Manual
Instruments required
1. Digital multimeter model FLUKE 8000 A, or equivalent
Accuracy: AC voltage ± 0.5% of reading plus 1 digit
DC voltage ± 0.1% of reading plus 2 digits
DC current ± 0.3% of reading plus 1 digit
2. Electromechanical pulse counter,
model KESSLER ELLIS KT 203 ±1 pulse, or equivalent
CAUTION RADIATION
Observe radiation protection guidelines as outlined in the Operating Instructions!
ESD
CAUTION Technician!
PC-boards are fitted with electronic components sensitive to electrostatic discharge (ESD).
Electrostatic discharge is unavoidable due to friction of clothing, carpeting etc.
ATTENTION
To prevent damage of electronic components do not touch same.
Discharge your electrostatic energy by touching a grounded point.
Always handle circuit boards by the edge of same.
List of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Visual Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Light Indicators at the Multitimer Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Tube Current Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Exposure Time Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Verification of the Exposure Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Verification of the Object Selector Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Mechanical Adjustments (if required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Yearly Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . appendix
41 62 983 D 3202.101.01.06.02 3
Maintenance Instructions Sirona Dental Systems GmbH
Röhre / Tube
Siemens SR 60 / 70 / 7 L
Cone / Tube
Model-No. 33 14 742 D 3302
Serial-No
This product complies with DHHS
regulations 21 CFR Subchapter J
applicable at date of manufacture.
Date of
manufacture:
Siemens Aktiengesellschaft
Wittelsbacherplatz 2
D-80333 München Germany
Model-
46 81 974 D 3302
No.
Serial-
No.
Model-
46 84 606 D 3302
No.
Serial-
No.
MADE IN GERMANY
12”
Model-No. 33 43 741 V 1034
Serial-No. . . . . . . . . . . . . . .
0.7 IEC 336 / 82
or
Röhre / Tube
Petrick P470/6.30/12G
Model-No. 60 91 651 D3302
Serial-No. . . . . . . . . . . . . . .
0.4 IEC 336 / 82
Model-No. 46 81 263 D 3302
Serial-No
This product complies with DHHS
regulations 21 CFR Subchapter J
applicable at date of manufacture.
Date of
manufacture:
Siemens Aktiengesellschaft
Wittelsbacherplatz 2
D-80333 München Germany
Generator Electronic 33 13 900 D3302
Serial-
No.
This product complies with DHHS regulations 21
CFR Subchapter J applicable at date of
manufacture:
Sirona Dental Systems
Fabrikstraße 31
D-64625 Bensheim Germany
Visual Check
• Look for mechanical damage, possibly affecting radiation safety.
• Inspect cone for possible cracks.
• Check the mechanical functions.
Test the tubehead in all working positions for possible drift.
• Verify that all labels are affixed and legible.
Defaced labels must be replaced.
To order the above, write to Sirona Dental Systems (address, see rear)
giving details on: Customer Name
Customer Address
All Model Numbers with
Serial Numbers still legible on the unit for identification purposes.
For serial numbers see also Unit Passport.
4 41 62 983 D 3202.101.01.06.02
Sirona Dental Systems GmbH Maintenance Instructions
Radiation
indication
X-ray
Standby indicator lamp
(Ready LED)
D
X-ray
LED
ON
Remote control
0I
OFF
I.00
X-ray
ATTENTION RADIATION
Observe
Radiation Protection Guidelines.
See Operating Instructions.
S
D
b e e p
Exposure button
Light Indicators at the Display, Audible Sound at the Wall Adapter.
• Switch unit ON with master power switch. The stored exposure data must light up on the display,
see Operating Instructions under ”Preparing the exposure”.
• Make an exposure:
– Set the exposure time to 1.00 s for conventional radiography technique (Digital
– CAUTION RADIATION: Depress the exposure button and hold until the exposure terminates auto-
matically. The radiation indication X-ray must light up during the exposure period.
Simultaneously an audible beep must sound at the wall adapter. In operation with remote control,
the LED on the remote station must light up as well.
The Standby indicator lamp / Ready LED flashes until the automatic cooling down time of the tube
assembly has expired.
• Interrupt an exposure
– Set the exposure time to 3.2s.
– CAUTION RADIATION: Press the exposure button until X-ray lights up and subsequently release –
the exposure must terminate immediately. The selected exposure time blinks until the automatic
cooling down time of the tube assembly has expired.
• Defective light indicators constitute a safety hazard to the patient as well as to the operator.
CAUTION: The user is not permitted to use the unit until light indicators have been replaced!
41 62 983 D 3202.101.01.06.02 5
– deadman feature:
must not light up).
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