6 Maintenance
6.1 Preventive maintenance schedule
Warning
Before carrying out any maintenance, repair work or adjustments, proceed as
follows:
• Stop the compressor.
• Switch off the voltage and open the isolating switch.
• Close the air outlet valve and open the manual condensate drain valves.
• Depressurize the compressor.
For detailed instructions, see the next sections.
The operator must apply all relevant Safety precautions.
Warranty-Product Liability
Use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts
is not covered by Warranty or Product Liability.
General
When servicing, replace all removed gaskets, O-rings and washers.
Intervals
Carry out maintenance at the interval which comes first. The local Customer Center may overrule
the maintenance schedule, especially the service intervals, depending on the environmental and
working conditions of the compressor.
The "longer interval" checks must also include the "shorter interval" checks.
Preventive maintenance schedule
Period (1) Running hours
(1)
Action
Daily -- Check the oil level.
Check the automatic condensate drain.
After stopping, drain the condensate from the air receiver by means
of the manual drain valve (4), see section Stopping.
3–monthly 500 (2) Clean the air filter.
Clean the condenser battery on the dryer (if fitted).
Clean the dirt collection filter.
Check the electrical cables. Make sure that the supply cables are
permanently fixed.
“ 1000 (2) Inspect the oil cooler. Clean if necessary.
“ “ For versions with dryer: inspect the condenser of the dryer. Clean if
necessary.
Yearly 2000 Replace the oil filter.
“ “ Replace the oil.
Instruction book
2920 7201 40 61
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