Running hours Service plan Operation
2000 -- If Atlas Copco Roto-Foodgrade Fluid is used, change oil and oil filter.
4000 A If Atlas Copco Roto-Inject Fluid is used, change oil and oil filter.
4000 B Replace air filter element.
4000 B Check condition of the air intake hose between air filter and element.
4000 B Check pressure and temperature readings.
4000 B Carry out a LED/display test.
4000 B Replace air filter pads of converter cabinet.
4000 B Check for possible leakage.
4000 B On air-cooled compressors: clean coolers.
4000 B On air-cooled compressors: check and clean cooling fan assembly.
4000 B Test temperature shut-down function.
4000 B Have safety valve tested.
4000 B Clean cooling fins of electric motors.
4000 B Inspect restrictor in scavenging line for cleanness.
4000 B Check operation of cooling fans of converter.
4000 B Check blow-off solenoid valve after stopping and pressing the
emergency stop button.
8000 C Have oil separator replaced.
Replace oil separator if the pressure drop exceeds 1 bar during loaded
running with a stable working pressure.
8000 C If Atlas Copco Roto-Xtend Duty Fluid is used, change oil and oil filter.
Important
•
Always consult Atlas Copco if a timer setting has to be changed.
•
For the change interval of oil and oil filter in extreme conditions of temperature,
humidity or cooling air, consult your Atlas Copco Customer Centre.
•
Any leakage should be attended to immediately. Damaged flexibles or flexible
joints must be replaced.
8.2 Drive motor
GA 75 VSD and GA 90 VSD
The bearing at the non-drive end side is greased for life.
The bearing at the drive end side is lubricated by the oil system.
Instruction book
2920 1634 04 91
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