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Instruction book
4 MAINTENANCE
Warning
Before carrying out any maintenance or repair, press stop button (9-Fig. 3a), wait until the compressor has stopped (approx. 30
seconds) and then press emergency stop button (S2). Switch off the voltage and depressurize the compressor.
Take precautions to avoid an accidental restart. Apply all relevant safety precautions, including those mentioned in this book.
4.1 Preventive maintenance schedule for the compressor 1)
The schedule contains a summary of the maintenance instructions. Read the related section before taking maintenance measures.
In servicing, replace all removed gaskets, O-rings and washers.
The "longer interval" checks must also include the "shorter interval" checks.
Period 2) Running Consult See Operation
hours 2) section note
Daily -- 3.5/7.1 -- Check readings on display
"---- -- Check that condensate is discharged (Daa) during loading
3-monthly -- 5.3 -- Operate safety valve (SV)
"---- -- Remove, dismantle and clean float valve of moisture trap (MTa)
"---- -- Clean compressor
"---- 4 Check for possible leaks
" 500 5.2 -- Check coolers (Ca and Co); clean if necessary
" 500 5.1 1 Remove air filters (AF) and inspect
For GA/GA W 13 bar and 200 psi
Yearly 2000 4.3/4.4/4.7 8 When Atlas Copco Roto-injectfluid is used, change oil
For GA/GA W 7.5/10 bar and 100/125/150 psi
" 4000 4.3/4.4/4.7 8 When Atlas Copco Roto-injectfluid is used, change oil
" 2000 4.5/4.7 2 Replace oil filters
"---- 6 Carry out a LED/display test
"---- 5 Have all flexibles inspected
"--4.7/5.1 2 Replace air filters
"--5.3 7 Have safety valves tested
"---- -- Have the compressor inspected by an Atlas Copco Service
representative
"---- -- Have operation of sensors, electrical interlockings and components
tested by an electrician
"---- -- Check restrictor (Rf2) and also restrictor upstream of oil stop valve
(Vs) for cleanness
2-Yearly 8000 -- 3 Have oil separator element replaced
1) Use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts is not covered by
Warranty or Product Liability.
2) Whichever interval comes first. The local Atlas Copco Sales Company may overrule the maintenance schedule, especially
the service intervals, depending on the environmental and working conditions of the compressor.
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