Annual Maintenance; System Maintenance; Cleaning; Labels - Planmeca Viso Technical Manual

4 Annual maintenance

4 Annual maintenance

4.1 System maintenance

4.1.1 Cleaning

4.1.1.1 X-ray unit
4.1.1.2 Reco PC

4.1.2 Labels

4.1.3 Unit safety

4.1.3.1 Emergency stop button
4.1.3.2 Exposure switch and indicators
48 Planmeca Viso
To guarantee user and patient safety and to ensure consistent image quality,
the X-ray unit must be checked and recalibrated by a qualified Planmeca
service technician once a year or after every 10 000 exposures if this is
sooner.
Perform the following maintenance checks:
• Check the lubricant levels; for more information, see section
"Lubrication" on page 53
• Upgrade Viso software if necessary; for more information, see section
"Software update" on page 53
Perform the following checks and calibrations (in order listed below):
1. Filament calibration. See section "Calibrations" on page 32
2. Calibrations and QA tests performed with Device tool. See section
"Calibrations with Device Tool program" on page 59.
3.
The following sections describe the annual maintenance tasks in more
detail.
For cleaning instructions, refer to the X-ray unit's user's manual.
Vacuum clean dust inside RecoPC case and clean the filters.
Check that no labels are detached or worn and that they are all legible. For
more information on the labels and their positions, see section "Product
labels" on page 15
Confirm that activating the emergency stop button will stop the X-ray unit
operating. Pressing the emergency stop button should block all movements
of the X-ray unit, disable radiation and produce a help message.
The following sections describe the operating checks have to be performed
on a regular basis.
Exposure warning signal
Confirm that the units buzzer comes on for the length of the exposure. The
exposure switch also contains a buzzer. However, this buzzer can be
disabled or enabled (from within the exposure switch assembly) depending
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