Contents 0 - 3
Siemens AG RXB8-115.061.02 Page 3 of 4 POLYMOBIL III
Medical Solutions Rev. 01 10.95 CS PS 24
1 _______Prerequisites __________________________________________________ 1 - 1
Specially marked text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
Documents required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
Tools and measuring instruments required . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
Safety notes and protective measures . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 2
Replacing damaged or missing screws . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 3
2 _______Test with the unit in the operative condition ________________________ 2 - 1
High-voltage test with the radiation detector . . . . . . . . . . . . . . . . . . . . . . 2 - 1
3 _______Error messages ________________________________________________ 3 - 1
There are three types of errors: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
4 _______Notes on trouble-shooting _______________________________________ 4 - 1
Checking the line voltage, fuses and LEDs . . . . . . . . . . . . . . . . . . . . . . . 4 - 1
Checking the supply voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 6
Checking the intermediate circuit voltage . . . . . . . . . . . . . . . . . . . . . . . . 4 - 8
Checking the maximum main inverter frequency . . . . . . . . . . . . . . . . . . . . 4 - 9
Oscillating current measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 10
Checking the high-voltage kV
NOM
and kV
ACT
. . . . . . . . . . . . . . . . . . . . . 4 - 12
Checking the filament and tube current . . . . . . . . . . . . . . . . . . . . . . . . 4 - 13
Setting the maximum filament frequency . . . . . . . . . . . . . . . . . . . . . . . 4 - 15
Checking the tube current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 16
Checking the kV and tube current (IR) . . . . . . . . . . . . . . . . . . . . . . . . 4 - 17
Checking the mAs values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 18
Adjusting the mAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 19
Aligning the light field to the radiation field . . . . . . . . . . . . . . . . . . . . . . 4 - 20
Checking and readjusting the counterweight . . . . . . . . . . . . . . . . . . . . . 4 - 23
Readjusting the counterweight with accessories attached . . . . . . . . . . . . . . 4 - 23
Checking the control elements on the collimator . . . . . . . . . . . . . . . . . . . 4 - 24
5 _______Replacing important components _________________________________ 5 - 1
Replacing the single tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 1
Replacing the collimator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 2
Replacing the light-beam localizer lamp. . . . . . . . . . . . . . . . . . . . . . . . . 5 - 3
Replacing the caster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 5
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