Atlas Copco Stationary Air Compressors User Manual

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Instruction book 
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4 MAINTENANCE 
 
Before carrying out any maintenance or repair: 
1.  Stop the compressor, switch off the voltage and open the isolating switch. 
2.  Close the air outlet valve (2-Figs. 1.2/1.4 or 3-Figs. 1.5/1.6) and open the manual drain valve: valve (1-
Fig. 1.9) on Multi or the valve underneath the air receiver, if provided.   
 
4.1 Compressor drive motors 
 
The motor bearings are greased for life. 
 
4.2 Preventive maintenance schedule for the compressor 
 
The schedule comprises a summary of the maintenance instructions.  Read the respective section 
before taking maintenance measures.  The "longer interval" checks must also include the "shorter 
interval" checks.   
Carry out the service operations at the period or running hours mentioned below, whichever interval 
comes first. 
When servicing, replace all disengaged packings, e.g. gaskets,  O-rings, washers. 
 
Important 
Use only authorized parts.  Any damage or malfunction by the use of unauthorized parts is not 
covered by Warranty or Product Liability. 
 
Service plans on SF Multi 
A number of service operations are grouped in plans, called Service plans I, A, B or D; see the 
schedule below.   
Each plan has a programmed time interval at which all service actions belonging to that plan are to be 
carried out.   
When reaching the interval, a message will appear on the screen indicating which Service plans are to 
be carried out.  After servicing, the intervals are to be reset.  For detailed information, consult section 
8.3. 
 
Important 
Always consult Atlas Copco in case any timer setting should be changed.