Myray 708G, Operator'S Manual

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64
OPERATOR'S MANUAL EN
12. INSPECTION AND MAINTENANCE
12.1. USER INSPECTION
These instructions describe the maintenance procedures for the extraoral X-ray system.
These instructions apply to all the revisions of said equipment, as well as all the accessories that may have been provided, therefore the description of some parts may not correspond to your equipment.
Inspection and preventive maintenance must be performed at scheduled intervals to protect the health and safety of patients, users and other persons in accordance with national regulations regarding the use, maintenance of dental x-ray devices
that are in force in the country where the device is installed.
In order to ensure the operational safety and functional reliability of your product, the system owner should check the equipment at regular intervals (at least once a year) or commission an authorized technician to do so.
If one or more checks to be performed are not satisfactory, please contact your dealer tech support.
Answer questions with yes (√) or no (−)
Inspection DATE
Step Description Reference in User Manual __/__/20__ __/__/20__ __/__/20__ __/__/20__ __/__/20__
1
Check that all labels located
-
on side of the device
- at the base of the column,
- on the X-ray tube housing,
are intact, well attached and legible.
Section Identification label position
2
Check there are no external damages to the equipment which could reduce protection
against radiation.
Section Description of the operation
3 Check the remote emission button cable is not broken or scratched. Section X-ray emission remote control
4
Check the power switch verifying that the switch is working properly and the green light
on the switch, check if the keyboard illuminates when the switch is in the on position.
Section Turning on the system
5 Verify that exposure is immediately interrupted when X-rays button is released Section X-ray emission remote control
6 Check the control keyboard functionality: functions must respond to interrogation. Section Console onboard the machine
7 Check proper functioning of X-ray exposure LED and exposure buzzer Section X-ray emission remote control
8 Check proper functioning of patient centering laser traces Section Laser positioning system
9
Perform a motors movement test running the Dummy panoramic procedure, making sure
the axis movement (rotation and translation simultaneously) is smoothly and without
noise. See figure 1, next page.
Section Perform a simulation (Dummy Run)
10
Perform column movements, up and down on the Z axis and check proper functioning.
See figure 2, next page.
Section Console onboard the machine?
11
Check the emergency button functionality. Emergency button is used to stop X-ray
device operation, it’s located near main switch button.
Section Emergency stop button
12
Check the X-Ray Generator functionality performing a complete trial exam exposure.
Select any panoramic exam and reset the unit. Hold down the emission button
throughout the entire exam procedure. Absence of error messages assures a proper
generator functionality.
Section Performing a 2D X-Ray examination
If Quality Phantoms are not available at installation site, then contact your dealer tech support to have the Quality Assurance procedure performed at your premises
13
Perform an exam on the 2D Quality Phantom and evaluate the quality of the outcome
radiographic image.
Acquisition Operations with Annex
14
(
Only for 3D machines
) Perform an exam on the 3D Quality Phantom and evaluate the
quality of the outcome radiographic image
Acquisition Operations with Annex
Operator Name
Signature
The undersigned confirms that the equipment was checked for the above criteria and that, in case of any malfunction, an authorised technician of the local dealer was informed.
All inspection and maintenance work performed by the system owner and/or service engineer must be recorded in this document and kept near the unit!