Preva Dental X-ray System User Manual, 00-02-1576, Revision ZA1
25
X-ray tubes which sit dormant for several months can become electrically
unstable. To remedy this condition, perform a new tube seasoning procedure.
This will establish stable high voltage operation and will extend the life of the
tube. Repeat this procedure before returning to normal operation any time the
system has been unused for more than two months.
1. Verify system operation.
2. Energize the system.
3. Select 60 kilovolts [kV], 7 milliamperes [mA], and a one-second exposure.
4. Make five exposures at this level, observing the normal cooling time.
5. Select 65 kilovolts, 7 milliamperes, and a one-second exposure time.
6. Make five exposures at this level, observing the normal cooling time.
7. Select 70 kilovolts, 6 milliamperes, and a one-second exposure time.
8. Make five exposures at this level, observing the normal cooling time.
To Next Page
Loading...
