Super Systems AC20 - Manual (Page 96)

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MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE
1) REMOVE POWER FROM THE POWER SUPPLY TERMINALS
AND FROM RELAY OUTPUT TERMINALS
2) Remove the instrument from case.
3) Using a vacuum cleaner or a compressed air jet (max. 3 kg/
cm 2 ) remove all deposit of dust and dirt which may be present
on the louvres and on the internal circuits trying to be careful
for not damage the electronic components.
4) To clean external plastic or rubber parts use only a cloth
moistened with:
- Ethyl Alcohol (pure or denatured) [C
2
H
5
OH] or
- Isopropil Alcohol (pure or denatured) [(CH
3
)
2
CHOH] or
- Water (H
2
O)
5) Verify that there are no loose terminals.
6) Before re-inserting the instrument in its case, be sure that it is
perfectly dry.
7) Re-insert the instrument and turn it ON.