Preventive maintenance schedule
Frequency Service plan Activity
Daily Check the display panel for information and service messages.
Every 6 months or
every 4000 hours
of operation (1)
A • Check for damaged wiring or loose connections.
• Check for air leaks.
• Replace the in- and outlet filter cartridges.
• Replace the silencers.
Every year or
every 8000 hours
of operation (1)
B • Service plan A
• 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.
Every five years or
every 40000 hours
(1)
C • Service plan B
• Replace desiccant
• Replace the inlet valves and revise the actuators
• Replace the check valves
Always replace all o-rings, seals and nylon washers that come free
when executing the scheduled maintenance.
(1) whichever comes first
In normal working conditions, the lifetime of the desiccant is approximately 5 years.
It is recommended to have the desiccant cartridges replaced by a qualified service technician, authorized by
the manufacturer.
Reset the service timer after a maintenance intervention.
All spare parts required for scheduled maintenance are included in specific service kits. Consult the spare
parts list for part number information.
7.2 Disposal of used material
Used filters or any other used material (e.g. desiccant, lubricants, cleaning rags, machine parts, etc.) must
be disposed of in an environmentally friendly and safe manner, and in line with the local recommendations
and environmental legislation.
Refer to local regulations for directions on how to dispose of electronic components in an environmentally
friendly manner.
Instruction book
2920 1891 00 55
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