Siemens ARCADIS Varic - Functional and Safety Checks; Prior to the Examination; Checking the Dose Rate Control Function; Monthly Checks

ARCADIS Varic
SPR2-310.620.30.02.02 3
of 16
Register 10 Maintenance
Maintenance
Functional and Safety Checks 0
To ensure that the ARCADIS Varic is ready for operation and all safety features
are functioning properly, you must perform regular functional and safety checks.
Daily checks 0
Prior to the examination 0
◆ Check the power plug. If the power plug is damaged, the ARCADIS Varic must
not be used.
◆ Check the power cable. If the power cable is damaged, the ARCADIS Varic
must not be used.
◆ Check the function of the foot brakes of the C-arm system and the monitor
trolley as well as the steering of the C-arm system.
◆ Check the C-arm counterbalance after releasing the brakes.
◆ Check the function of all radiation indicators.
◆ Inspect the housing of the I.I. and the single tank for mechanical damage.
Monthly checks 0
Checking the dose rate control function 0
This following simple procedure allows you to check the automatic dose rate con-
trol function without an object in the beam path. A kV value of ≤ 45 kV must sta-
bilize:
◆ Open the iris and slot diaphragms to maximum aperture.
◆ Press the Dose rate control Stop (ADR Stop) key.
◆ Select 110 kV with the +/- keys.
◆ Press the ADR Stop key again.
– The stop function is canceled; automatic dose rate control is switched on
again.
◆ Release radiation in the fluoroscopy mode.
– The tube voltage is reduced to a value ≤ 45 kV.
– The monitor image is not overexposed.