Change the oil separator element x x
Overhaul non return valve of the
scavenge line
x x
Overhaul the unloader x x
Overhaul the minimum pressure valve x x
Change the thermostatic valve x x
Overhaul the condensate drain(s) x x
Overhaul the main drive motor x
Overhaul the compressor element x (4)
(2): or every 2 years (indicated by real time counter), whichever comes first.
(1): or yearly (indicated by real time counter), whichever comes first.
(3): If Roto-Xtend Duty Fluid is used, the oil and oil filter change are part of the B service.
(4): For compressor elements used on operating pressures below or equal to 10 bar (145 psi), the overhaul
can be postponed to 32000 running hours.
• Consult your supplier before modifying a timer setting.
• For the change interval of oil and oil filter in extreme conditions consult your
customer centre.
• Any leakage should be attended to immediately. Damaged hoses or flexible joints
must be replaced.
8.2 Oil specifications
It is strongly recommended to use genuine lubricants from your manufacturer. They are the result of years
of field experience and research. See section Preventive maintenance schedule for the advised replacement
intervals and consult the Spare Parts list for part number information.
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.
Roto-Inject Fluid
Atlas Copco's Roto-Inject Fluid is a specially developed lubricant for use in single stage oil-injected screw
compressors. Its specific composition keeps the compressor in excellent condition.
See the table below for oil exchange intervals:
Instruction book
2920 7180 30 153
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