Preventive Maintenance schedule programmed in the Elektronikon™ controller
Running hours Action
4000 (1) If Atlas Copco Roto-Foodgrade Fluid is used, change oil and oil filter. (3)
If Atlas Copco Roto-Inject Fluid NDURANCE is used, change oil and oil filter. (3)
Replace the air filter element.
Replace the filter element of the electric cabinet.
Check condition of the air intake hose between air filter and compressor element (where
applicable).
Check pressure and temperature readings.
Do a LED and display test.
Test the temperature shutdown function.
On air-cooled compressors: clean coolers. Check and clean the cooling fan assembly.
Clean cooling fins of electric motors.
Inspect the restriction nozzle in the scavenging line for cleanness.
Check operation of cooling fans of converter.
Check blow off solenoid valve after stopping and pressing the emergency stop button.
On water-cooled units: check for possible water leakage.
8000 (2) If Roto synthetic Fluid ULTRA or Roto Synthetic Fluid XTEND DUTY is used, change oil
and oil filter. (3)
Have the oil separator element replaced.
The oil separator element must also be replaced when the pressure drop over it
exceeds 1 bar (14.5 psi). Check the pressure drop while the compressor is running
loaded and preferably with a stable working pressure.
Visually inspect the oil separator vessel for damage and corrosion. The minimum wall
thickness must be respected. See section Pressure equipment directives.
(1): or yearly, whichever comes first
(2): or every 2 years, whichever comes first
(3): See also section Oil Specifications for oil exchange intervals in non standard working
conditions.
The indicated oil exchange intervals are valid for standard operating conditions (see section
Reference conditions and limitations) and nominal operating pressure (see section Compressor
data). Exposure of the compressor to external pollutants, operation at high humidity combined
with low duty cycles or operation at higher temperatures may require a shorter oil exchange
interval. Contact Atlas Copco if in doubt.
• Never modify a timer setting without approval from Atlas Copco.
• For the change interval of oil and oil filter in extreme conditions consult your Atlas
Copco Customer Centre.
• Any leakage should be attended to immediately. Damaged hoses or flexible joints
must be replaced.
9.2 Oil specifications
In order to achieve the best machine performance and guarantee the reliability, it is required to
use genuine Atlas Copco Lubricants. Their tailor made formulation is the result of years of field
experience, research and in-house development. Consult the Spare Parts list for part number
information.
Instruction book
2920 7109 51 145
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