6 Maintenance
6.1 Preventive maintenance schedule
Warning
Before carrying out any maintenance, repair work or adjustment, proceed as follows:
•
Stop the compressor.
•
Press emergency stop button (S2).
•
Close the air outlet valve and open the manual condensate drain valves.
•
Switch off the voltage.
•
Open and lock the isolating switch.
•
Repairs inside the start and speed regulation cabinet may only be carried out by Atlas
Copco.
•
Wait at least 6 minutes before starting any electrical repairs as hazardous high voltage
remains on the condensers of the start and speed regulation unit for 6 minutes after the
voltage is switched off.
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.
Preventive maintenance schedule
Period Running hours Operation
Daily 8 Check readings on display.
Daily 8 Check that condensate is discharged during loading.
Daily 8 Check oil level. Before starting, the level should be in the middle of the
sight-glass.
Weekly -- Check the cleanliness of the cubicle filters. Replace or clean if dusty.
Weekly -- Drain condensate from air receiver, if installed
3-Monthly -- Clean compressor.
3-Monthly -- Check for possible leaks.
3-Monthly 500 Check the coolers; clean them if necessary. See the section Coolers.
3-Monthly -- Remove air filter elements and inspect.
Yearly -- Have safety valve tested.
Yearly -- Have all flexibles inspected.
Yearly 4000 If Roto-Inject Fluid is used, change oil.
Yearly 4000 On compressor with high ambient option, replace oil filters.
Instruction book
2920 1728 05 125
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