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Astro Systems GBA ST1-C
Cleaning the Validator Note Path
Equipment Required
Cotton swab or lint-free cloth.
Cleaning solution - a mix of water and up to 50% Iso-Propyl Alcohol (IPA) is recommended.
DO NOT
use more than 50% IPA.
NEVER
use solvent-based cleaning agents, such as Amberclens,
pure alcohol, petrol, methylated spirit or white spirit on this product as the unit will be severely
damaged.
Anti-Static precautions should always be observed when cleaning the GBA ST1C unit.
1. Ensure the power supply to the GBA ST1C unit is switched OFF.
2. Remove the Cassette.
3. Lift up the purple Access Latch on the back of the Bottom Sensor Assembly, and gently
slide the module out of the Channel Assembly.
4. Pick off and discard any large items of debris from the note path of the Bottom Sensor
Assembly. Repeat for the other side of the note path (on the drive belt assembly).
5. Using the cotton swab, or lint-free cloth, wetted with cleaning solution and applying light
force only, carefully clean all sensor windows in both halves (upper and lower) of the note
path. If a sensor window has become badly scratched do not attempt to polish it, contact
your local regional office for further advice.
6. Continue with the swab, or lint-free cloth, to clean the rest of the note path, including
sprung rollers.
7. Visible parts of belts can be cleaned by wiping with a cleaning solution-soaked cotton swab
or wipe. It is not possible to clean the whole belt surface without removing the belts from
the unit.
8. Use an additional swab or cloth to dry the cleaned area, if required.
9. Slide the clean Bottom Sensor Assembly back into the Channel, ensuring that the Access
Latch clips securely into the Channel.
10. Re-fit the Cassette.
11. The supply to the unit can now be switched ON.
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