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OIL LEVEL CHECK
Never mix oils of different brands or types.
CHECK ENGINE OIL LEVEL
Consult also the Engine Operation Manual for the oil
specifications, viscosity recommendations and oil change
intervals. See schedule.
Check engine oil level according to the instructions in the
Engine Operation Manual and top up with oil if necessary.
CHECK COMPRESSOR OIL LEVEL
With the unit standing level, engine stopped, check the
level of the compressor oil. The pointer of the oil level
gauge (OLG) must register in the upper extremity of the
green range. Add oil via the oil fill plug (FP) if necessary.
Before removing oil filler plug, ensure that
the pressure is released by opening an air
outlet valve.
ENGINE OIL AND OIL FILTER CHANGE
Consult also the Engine Operators Manual for oil and oil
filter
(1) change intervals.
(2) oil types.
COMPRESSOR OIL AND OIL FILTER CHANGE
The quality and the temperature of the oil determine the oil
change interval.
The prescribed interval is based on an oil temperature of
up to 100ºC (212ºF) and normal operating conditions.
When operating in high ambient temperatures, in very
dusty or high humidity conditions, it is recommended to
change the oil more frequently.
In this case, contact Atlas Copco.
1.
Run the compressor until warm. Close the outlet
valve(s) and stop the compressor. Wait until the
pressure is released through the automatic blow-
down valve. Unscrew the oil filler plug (FP) one turn.
This uncovers a vent hole, which permits any
pressure in the system to escape.
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2.
Drain the oil by removing all drain plugs. Drain
plugs are located at the oil tank, discharge manifold,
and oil injection manifold vessel. Catch the oil in a
drain pan. Screw out the filler plug to speed up drain-
ing. Tighten the plugs after draining.
3.
Remove the oil filter (OFc), e.g. by means of a spe-
cial tool. Catch the oil in a drain pan.
4.
Clean the filter seat on the manifold, taking care that
no dirt drops into the system. Oil the gasket of the
new filter element. Screw it into place until the gas-
ket contacts its seat, then tighten one half turn only.
5.
Fill the air receiver until the pointer of the oil level
gauge (OLG) registers in the upper extremity of the
green range. Take care that no dirt drops into the sys-
tem. Reinstall and tighten the filler plug.
6.
Run the unit at no load for a few minutes to circulate
the oil and to evacuate the air trapped in the oil sys-
tem.
7.
Stop the compressor. Let the oil settle for a few min-
utes. Check that the pressure is released by opening
an air outlet valve (AOV). Screw out filler plug (FP)
and add oil until the pointer of the oil level gauge
(OLG) again registers in the upper extremity of the
green range. Reinstall and tighten the filler plug.
Never add more oil. Overfilling results in oil
consumption.
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