Sedecal SPL-HF 2.0, Руководство по обслуживанию, Страница: 169 / 222

Portable X-ray Units
Service Manual
SM-1076R2 159
6.4 COLLIMATOR
Check the Collimator condition performing the following test:
1. Turn the Unit ON.
2. Open fully the Collimator blades using the Collimator Control Knobs and
switch On the Collimator Light. Check the Light lights properly. Check the
Laser Pointer function if the Collimator is provided with this device.
3. Close fully the Collimator blades using the Collimator Control Knobs and
switch On the Collimator Light. Check the Light lights is not emitted out
of the Collimator.
4. Open / close the Collimator blades using the Collimator Control Knobs
for selecting different “
SID / Film Size References ” (refer to the table on
the Operator Manual). Check the final image size by switching On the
Collimator Light.
5. If any of these tests is not acceptable, remove the Collimator Cover and
repair the blades mechanism or the Collimator (
refer to the Collimator
manuals ).
6.5 CONTROL PANEL
Verify that the Handswitch cable and its connection to the Unit are in good
condition.
Check correct operation of the push-buttons, displays and indicators by
performing the following test:
1. Turn the Unit ON.
2. Select a radiographic technique and observe:
G
Technique parameters and other selections are displayed on the
Control Panel. If the Unit has a Console on the Trolley , chech the
same paramaters on the Trolley’s Console.
G
Change technique parameters and observe that changes are
correctly displayed.
G
Select 70 kVp and maximum mAs.
G
Press “ Prep ” and verify that the “ Ready ” indicator is illuminated.
Release “ Prep ” and observe that the “ Ready ” indicator is off.
G
Make a typical exposure, and verify that radiographic exposure
sound signal and the “
X-ray ON ” indicator function correctly during
the X-ray exposure.