8 Maintenance
8 Maintenance
8.1 Maintenance procedure
The maintenance procedure described below shall be seen as a minimum requirement
and can be made more stringent to comply with regulations regarding the use and
maintenance of dental x-ray devices that are in force in the country in which the unit is
installed.
For more maintenance related details, refer to service program manual delivered with
the unit.
8.1.1 Annual maintenance
An annual maintenance procedure must be carried out at least once a year by qualified
service personnel. Refer to service program manual and contact your local distributor for
details.
8.1.2 Calibration intervals
To keep the image quality at best possible level, calibrations and quality checks shall be
carried out at regular intervals according to the table below.
Modality
Minimum requirement
Recommendation
3D
Two (2) times annually
Four (4) times annually
Panoramic
Annually during normal
maintenance
Two (2) times annually
Cephalometric
Annually during normal
maintenance
Two (2) times annually
NOTICE!
The calibrations mentioned in this manual can be done by the user or
qualified service personnel.
8.2 Changing the fuses
Main fuses are located next to the on/off power switch. Push inward on the fuse base
and twist it counterclockwise with a screwdriver. The fuse with the base comes out.
Remove the fuse from the base and replace it with the new one. Repeat this with each
blown fuse. Fasten both fuses by pushing the base in and twisting it clockwise with a
screwdriver.
Use only appropriate fuses:
● Line voltage 220-240 Vac: 326 Littelfuse 10A (slow blow) or Cooper Bussman MDA-10
(time delay)
● Line voltage 100-120 Vac: 326 Littelfuse 15A (slow blow) or Cooper Bussman MDA-15
(time delay)
8.3 Cleaning and decontaminating the unit
CAUTION!
Switch the unit off or disconnect it from mains before cleaning the
unit. If you use a spray cleaner do not spray into any ventilation grills. Do not
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ORTHOPANTOMOGRAPH
™
OP 3D Pro