Siemens MAMMOMAT Novation DR Parts Replacement page 60

60
6. Set the grid voltage for W/Rh to the reference value by adjusting the potentiometer
marked "Bias W" on the side of the tube power supply module.
After replacing one of the following modules, the tube voltage, current and mAs values
have to be checked. For more information see the "X-Ray Tube Checks" chapter in Mam-
momat Novation, System Start-up, SPB7-250.815.. for systems with AWS or Installa-
tion Instructions and Start-up,SPB7-250.812.. for systems with DROC:
•
High-voltage tank
•
High-voltage inverter
•
Tube power supply
Depending on the country where the system is installed, additional tests have to be per-
formed, i.e., RöV §16 in Germany or DHHS regulations in the USA. Also see the QC man-
ual.
Final steps
•
Mount the covers on the back of the Mammomat.
•
Check the protective ground resistance.
MAMMOMAT Novation DR SPB7-250.841.01.04.02
05.05
Generator
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