Maintenance; Preventive Maintenance Schedule - Atlas Copco GA 90 Instruction Book

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.
• For compressors equipped with electronic water drains, press the test
buttons on top of the electronic drains until the air system between the air
receiver and the outlet valve is fully depressurised.
Switch off the voltage.
•
Open and lock the isolating switch.
•
The operator must apply all relevant
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.
Preventive maintenance schedule
Period
Daily
Daily
Daily
Weekly
Weekly
3-Monthly
3-Monthly
3-Monthly
3-Monthly
3-Monthly
Yearly
90
Running hours Operation
8 Check readings on display.
8 Check that condensate is discharged during loading.
8 Check oil level. Before starting, the level should be in the middle of the
sight-glass.
-- Drain condensate from the air receiver, if installed
50 On compressors equipped with an OSD, check the oil level in the oil
collectors. If necessary, empty the collectors and take the oil to the
local collection service. Keep the covers of the vessels in place to
prevent possible evaporation.
-- On compressors equipped with an OSD, remove, dismantle and clean
the float valve of the condensate traps.
-- Clean compressor.
-- Check for possible leaks.
500 Check the coolers; clean them if necessary. See the section Coolers.
-- Remove air filter elements and inspect
-- Have safety valve tested
Safety precautions.
Instruction book
2920 1475 06