Oil Specifications - Atlas Copco GA 37 VSD Instruction Book

Instruction book
Preventive Maintenance schedule programmed in the Elektronikon™
Running hours
4000 (1)
8000 (2)
(1): or when the real time counter indicates the service plan, whichever comes first
(2): or when the real time counter indicates the service plan, whichever comes first
The indicated oil exchange intervals are valid for standard operating conditions (see section
Reference conditions and
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.
7.2

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.
API480496
Operation
If Atlas Copco Roto-Inject Fluid is used, change oil and oil filter.
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 shut-down function.
On air-cooled compressors: clean coolers. Check and clean 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.
If Atlas Copco Roto-Xtend Duty Fluid is used, change oil and oil filter.
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
limitations) and nominal operating pressure (see section Compressor
• Consult Atlas Copco before modifying a timer setting.
• 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.
Avoid mixing lubricants of different brands or types as they may not be compatible and
the oil mix may have inferior properties. A label, indicating the type of oil filled ex factory,
is stuck on the air receiver/oil tank.
Pressure equipment directives.
95