Replacing boards / replacing components 6 - 5
Siemens AG SPR2-130.061.02 Page 5 of 28 SIREMOBIL Compact
Medical Solutions Rev. 11 09.04 CS PS 24 System Manual
SIREPHOS 6
• Open the SIREPHOS cover (see Chapter 1, "Covers").
• Remove the laser targeting device, if present.
• Remove the dose measurement chamber, if present.
• Remove the collimator.
• Disconnect the SIREPHOS plug.
• Remove the ground screw for the protective conductor.
• Remove the rubber stop of the C-arm on the SIREPHOS side. The screws that secure
the SIREPHOS are now visible.
• Remove the SIREPHOS screws. When doing this, have a second person hold the X-ray
tube unit.
• Place the new X-ray tube unit on the guide bolts and secure it with both Allen screws.
• Ensure that all cables are routed properly.
• Reconnect the SIREPHOS plug and secure it.
• Reconnect the protective conductor using the ground screw.
• Do not install the rubber stop yet.
• Reinstall the collimator and connect it.
• Reinstall the dose measurement chamber / laser targeting device and connect them.
• Perform the kV offset adjustment.
• Perform the generator adjustment (filament circuit learning program).
• Ensure that the collimator is functioning properly and is set correctly.
• Ensure that the collimator blades are centered in the blanking circle.
- If possible, slightly loosen the Sirephos screws and tilt the SIREPHOS to adjust it.
- Retighten the SIREPHOS screws.
• Ensure that the collimator blades of the iris diaphragm are visible during fluoroscopy in
the survey format and zoom format on at least two sides of the monitor image.
• Check the display of the blades on the monitor screen and adjust if necessary.
• Check collimation for direct exposure if there is a cassette holder.
• Reinstall the rubber stop.
• Ensure that the area/dose product measurement device is functioning properly
(if present).
• Check the dose rate settings and adjust them if necessary.
• Check the settings of the maximum skin dose rate.
X-ray radiation!
See Chapter 1, Safety Information.
Protect yourself against radiation exposure. Wear a lead apron.
WARNING
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