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COMPRESSOR OIL FLUSHING PROCEDURE
To avoid problems when changing over to a new type
of oil (see table) a special Compressor Oil Flushing
Procedure has to be followed. The table is only valid
in case the replaced oil has not exceeded its lifetime.
For more information consult Atlas Copco Service
dept.
Aged oil can be recognized best by using an oil
sampling analysis program. Indicators for aged oil are
strong smell, or contamination like sludge and
varnish inside the oil vessel and oil stop valve or a
brownish colour of the oil.
Whenever aged oil is discovered, eg. when changing
the oil separator, contact Atlas Copco Service dept. to
have your compressor cleaned and flushed.
1. First thoroughly drain the system when the oil is
warm, leaving as little oil in the system as feasible
especially in dead areas, if possible blow out
remaining oil by pressurising the oil system.
Check the instruction manual for detailed
description.
2. Remove the compressor oil filter(s).
3. Open the oil vessel and remove the oil separator
element.
4. Check the interior of the oil vessel (see pictures).
If varnish deposits are discovered, contact Atlas
Copco Service dept. and do not continue.
5. Put in a new oil separator, screw on new
compressor oil filter(s) and close the oil vessel
according to the instructions.
6. Fill the oil vessel with the minimum amount of
replacement oil, run the compressor under light
load conditions for 30 minutes.
7. Thoroughly drain the system when the oil is
warm, leaving as little oil in the system as feasible,
especially in dead areas, if possible blow out
remaining oil by pressurising the oil.
8. Fill the system with the final oil charge.
9. Run the compressor under light load conditions
for 15 minutes and check for leakage.
10.Check the oil level and top up if necessary.
11. Collect all waste lubricant used during the
flushing process and dispose of it in accordance
with the applicable procedures for managing
waste lubricant.
Vessel cover
contaminated clean
Vessel
contaminated clean
Not respecting compressor oil changing
intervals according to the maintenance
schedule, can lead to serious problems,
including fire hazard! The manufacturer
does not accept any liability for damage
arising from not following the
maintenance schedule or not using
genuine parts.
Instructions on replacing the oil
separator element are available from
Atlas Copco Service dept.
* When changing over to the same oil within the oil changing interval, draining is sufficient
** Change over not recommended
PAROIL M PAROIL S PAROIL S xtreme
PAROIL M draining * flushing flushing
PAROIL S draining ** draining * draining
PAROIL S xtreme draining ** draining draining *
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