6 Maintenance
6.1 Maintenance warnings
Warnings
Before starting any maintenance or repairs:
•
Stop the compressor. Close the air outlet valve.
•
Press the test buttons on top of the electronic water drains to depressurize the air
system.
•
Press the emergency stop button (S2).
•
Open the isolating switch (customer's installation) to switch off the voltage to the
compressor.
Warranty-Product Liability
Use only Atlas Copco authorized genuine parts. Any damage or malfunction caused by the use of unauthorized
parts is not covered by Warranty or Product Liability.
6.2 Preventive maintenance schedule
Regular service operations
To ensure safe operation and long service life, 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 Atlas Copco Customer Centre may overrule the maintenance schedule depending on the
environmental and working conditions of the compressor.
Period Running hours Operation
-- At initial start Check the pressure differential of the rotor
compartments of the integrated dryer. Adjust if
necessary.
Daily 8 Check readings on display.
Daily 8 Check that condensate is discharged during
loading.
Daily -- Check oil level. Before starting, the level should be
in the middle of the sight-glass.
Weekly 50 Check that the moisture indicator of the integrated
dryer shows blue.
Monthly -- On Full-Feature ND compressors and Full-Feature
compressors with Low load option, check that air is
purged from the low load system. Clean nozzle if
necessary.
3-monthly -- Clean compressor.
3-monthly -- Check for possible leaks.
3-monthly 500 Check coolers, clean if necessary.
Instruction book
115
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