5 Maintenance
5.1 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.
•
Depressurise the compressor.
For detailed instructions, see Problem solving.
The operator must apply all relevant Safety precautions.
Warranty-Product Liability
Use only authorised parts. Any damage or malfunction caused by the use of unauthorised 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 Atlas Copco Customer Centre 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 for GX 7 and GX 11
Period Running hours Operation
Daily -- Check the oil level before starting. Drain the condensate after stopping.
For tank-mounted units, also drain the air vessel by means of the
manual drain valve (4), see Stopping.
3-Monthly -- Check for possible leaks.
“ 1000 Inspect the oil cooler, clean if necessary.
“ 1000 For Full-Feature versions: inspect the condenser of the dryer; clean if
necessary.
“ 1000 Inspect the air filter.
“ -- Inspect the condensate trap, clean the filter DA (for location of DA, see
Introduction.
“ -- For compressors with PDX filter: check the service indicator, replace
the filter if necessary.
-- 1000 Check the tension and the condition of the belts. Adjust, if necessary.
Instruction book
50 2920 7054 00
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