MOBILETT Plus / - E/ - M SPR8-215.898.01 Page 8 of 8 Siemens-Elema AB
Rev. 05 01.02 SPS-UD Solna, Sweden
9 - 8 Replacement and repairs on the collimator
• Set a SID o 100 cm (39"). Use the measuring tape.
• Switch on the main power switch.
• Switch on the light localizer and align the cassette. Now, collimate the light field to
25 x 25 cm (10" x 10").
• Mark the four corners with coins and mark one of the corners with two coins (Fig. 12).
• Set 52 kV, 2.0 mAs on the control panel.
• Release an exposure.
• Develop the film and measure the deviation. Acceptable deviation ± 1.7% (Fig. 13).
• If the deviation is greater, loosen the Allen screws marked "E" slightly and move the
rotary-flange to desired position.
• Tighten the screws marked "E" (Fig. 14).
• Repeat the test and adjustment of the rotary flange position until the deviation between
the light and radiation fields is within the tolerance specified.
• Reinstall covers "A" and "B".
X-ray radiation!
If not observed, risk for exposure to radiation.
Use radiation protection!
Fig. 14
E
E
E
E
Rotary flange
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