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COMPRESSOR OIL LEVEL CHECK DAILY CHECK
Check the compressor oil level daily, after running
the compressor.
1. Stop the compressor with closed air outlet valve
(3) and let it rest for a short period, to allow the
system to relief pressure inside the vessel and
settle down the oil.
2. Depending on the level indicator, check the oil
level via:
• the pointer of the oil level gauge (1). The
pointer must register in the green area.
• the oil filler plug. The level must be between
the two markings as indicated in the label on
the oil vessel.
3. If the oil level is too low, add oil via the oil filler
plug (2)
4. Top up with oil until:
• the pointer of the oil level gauge is in the upper
part of the green area
• the oil level is at the upper level as indicated on
the label
5. Reinstall and tighten the filler plug.
CHECK AFTER A LONGER PERIOD
WITHOUT RUNNING THE COMPRESSOR
1. Depending on the level indicator, check the oil
level via:
• the pointer of the oil level gauge (1). The
pointer must register in the green area.
• the oil filler plug. The level must be between
the two markings as indicated in the label on
the oil vessel.
2. If the oil level is too low, remove the oil filler plug
(2) and check if there is still oil in the vessel
• No oil in the vessel: Top up the compressor
with oil until the pointer of the oil level gauge
is in the upper part of the green area or the oil
level is at the upper level as indicated on the
label and follow the steps as described above
in Daily check.
• Oil in the vessel: Start up the unit to warm up
and give time for the thermostatic valve to
open. Stop the compressor with closed outlet
valve (3) and follow the steps described above
in Daily check.
The compressor oil level needs to be
checked with the compressor in an
horizontal position after running the
compressor to warm up so that the
thermostatic valve is open.
Before removing the oil filler plug,
ensure that the pressure is released by
opening the air outlet valve (3) and
checking the vessel pressure on the
controller or the pressure gauge.
At temperatures below 0°C, you have to
load the compressor to be sure that the
compressor thermostat will be open.
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