BeaconMedaes dMED 7 Instruction Book page 71

Instruction book
Service kits
For overhauling or carrying out preventive maintenance, service kits are available for the desiccant and the
filters (see section
Preventive maintenance schedule
Period (1)
Daily
Weekly
Monthly
Every 6 months
Yearly
"
Every 5 years
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Service kits).
Carry out following operations at the interval (period or running hours) which comes first.
The longer interval checks must also include the shorter interval checks.
The local Customer Centre may overrule the maintenance schedule depending on the
environmental and working conditions of the unit.
Running hours Operation
(1)
-- •
•
•
•
•
-- •
•
•
•
•
-- Verify air quality delivered by the unit at regular intervals to guarantee
correct usage in correspondence to the applicable legislation. Records
of these measurements must be kept by the user.
4000 •
•
•
•
4000 •
•
•
• •
8000 EWD (optional): replace the set of wearing parts.
20000 Replace the desiccant.
Check that the compressed air temperature does not exceed the
limits.
Check for alarms on the displays.
Check working state of the unit.
If options are installed, check their operation.
On filters with automatic drain valve, check the sightglass at
regular intervals. A liquid level indicates malfunction of the
automatic drain valve. Replace the part if cleaning does not correct
the problem. Filter elements need to be replaced when the
pressure drop reaches 0.35 bar (5.08 psi).
Check for water or air leaks.
Check for abnormal noise.
Check the filter of the pressure dew point sensor for dust and clean
if necessary.
Check the pressure drop over the filters.
Check if all drains are working properly.
Check for air leaks.
Service the automatic drain assembly of the water separator
(WSD).
Check the elements of the filters. Replace if necessary.
Check for damaged wiring or loose connections.
Replace the elements of the filters or when the pressure drop
reaches approximately 0.35 bar (5.08 psi). For the correct filter kit
number, consult the spare parts list.
Gas sensors (option) need to be calibrated (Consult ECB AII
0290).
Exchange the dew point sensor. The certificate is valid only one
year. Contact the supplier of your equipment for re-calibration of
the PDP sensor. Consult ECB AII 0298.
QDT filter: replace the active carbon
• QDT+ filter: replace the active carbon and the catalyst
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