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Instruction book
Period (1)
"
Yearly
"
"
"
"
"
"
(1): whichever comes first.
(2): more frequently in a dusty environment
(3): The indicated oil exchange intervals are valid for standard operating conditions (see section
Reference conditions and
data). Exposure of the compressor to external pollutants or operation at high humidity combined
with low duty cycles may require a shorter oil exchange interval. Contact Atlas Copco if in doubt.
Important
4.2
Drive motor
General
Keep the outside of the electric motor clean for efficient cooling. If necessary, remove dust with a
brush and/or compressed air jet.
Description
The motor bearings are greased for their expected service life.
2920 7170 31
Running hours
Action
(1)
--
Check the oil return hole.
2000 (2)
Replace the air filter.
2000 (3)
If Roto-Inject Fluid is used, change the oil and the oil filter.
2000
For compressors with PDX filter: replace the filter.
4000 (3)
If Roto-Xtend Duty Fluid is used, change the oil and the oil filter.
4000
Replace the oil separator.
--
Have the safety valve tested.
--
Inspect the air receiver.
The air receiver must no longer be used and must be replaced if the
wall thickness is less than the minimum value, specified in the
technical documentation of the air receiver.
limitations) and nominal operating pressure (see section
• Always consult Atlas Copco if a service timer setting has to be changed.
• 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.
Compressor
29
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