Table Of Contents; General - Sirona Orthophos 3 Maintenance Manual

Sirona Dental Systems GmbH

General

To stay in compliance with the DHHS requirements the ORTHOPHOS
nually following date of installation.
It is the responsibility of the user to insure that the equipment 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 service must be accomplished by a trained serviceman.
Neither the inspection nor service is part of the equipment warranty.
Technical instructions required
Operating Instructions
Service Manual
Instruments and adjustment tools required
1. Digital multimeter Philips PM 2816 rms, Fluke 8000 A, or equivalent.
Accuracy: DC voltage ± 0.1 % of reading plus 0.02% of range
DC current ± 0.4 % of reading plus 0.1% of range
2. Electromechanical pulse counter,
model KESSLER ELLIS KT 203 ±1 pulse, or equivalent.
3. Needle phantom, adjusting film for tele-exposure (delivered with the unit, customer's property)
Alignment tool for X-ray beam, order no 89 31 800 (not delivered with the unit).
CAUTION RADIATION
Observe radiation protection guidelines as outlined in the Operating Instructions!
X-rays are generated, when the exposure button at the Multitimer is depressed.
Caution serviceman!
All PC-boards are fitted with electronic components sensitive to electrostatic discharge (ESD).
Electrostatic charges are unavoidable due to friction of clothing, carpeting etc.
To prevent damage of electronic components do not touch
same without putting on the unit mounted special wristlet.
Always handle circuit boards by the edge of same.
List of Contents
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Visual Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Light Indicators and Audible Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 6
Power Supply Adequacy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
kV-Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 9
Tube Current Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Exposure Time Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 13
Checking and Adjusting the X-Ray Beam for Panorama Exposure. . . . . . . 14 - 16
Phantom Radiograph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Checking the Ear Olives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Checking the X-Ray Beam for Tele-Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Checking the Laser Light Beam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Yearly Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . appendix
59 01 603 D3285
D3285.103.04.02.02
Maintenance Instructions
®
3 / 3 Ceph must be maintained an-
ESD
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